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< div id = "app" > <!-- [ --> < div class = "theme-container" > <!-- [ --> < header class = "navbar" > < div class = "toggle-sidebar-button" title = "切换侧边栏" aria-expanded = "false" role = "button" tabindex = "0" > < div class = "icon" aria-hidden = "true" > < span > < / span > < span > < / span > < span > < / span > < / div > < / div > < span > < a href = "/" class = "" data-v-2aa8cc94 > <!-- --> < span class = "site-name can-hide" data-v-2aa8cc94 > arthas< / span > < span class = "navbar-version" data-v-2aa8cc94 > v3.6.5< / span > < / a > < / span > < div class = "navbar-items-wrapper" style = "" > <!-- [ --> <!-- ] --> < nav class = "navbar-items can-hide" > <!-- [ --> < div class = "navbar-item" > < a href = "/" class = "" aria-label = "首页" > <!-- [ --> <!-- ] --> 首页 <!-- [ --> <!-- ] --> < / a > < / div > < div class = "navbar-item" > < a class = "external-link" href = "/doc/arthas-tutorials.html?language=cn&id=arthas-basics" rel = "noopener noreferrer" target = "_blank" aria-label = "在线教程" > <!-- [ --> <!-- ] --> < span > 在线教程< / span > < span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > <!-- [ --> <!-- ] --> < / a > < / div > < div class = "navbar-item" > < a href = "/doc/" class = "router-link-active" aria-label = "文档" > <!-- [ --> <!-- ] --> 文档 <!-- [ --> <!-- ] --> < / a > < / div > < div class = "navbar-item" > < a href = "/doc/commands.md" class = "" aria-label = "命令列表" > <!-- [ --> <!-- ] --> 命令列表 <!-- [ --> <!-- ] --> < / a > < / div > < div class = "navbar-item" > < a href = "/doc/download.md" class = "" aria-label = "下载" > <!-- [ --> <!-- ] --> 下载 <!-- [ --> <!-- ] --> < / a > < / div > < div class = "navbar-item" > < div class = "navbar-dropdown-wrapper" > < button class = "navbar-dropdown-title" type = "button" aria-label = "解决方案" > < span class = "title" > 解决方案< / span > < span class = "arrow down" > < / span > < / button > < button class = "navbar-dropdown-title-mobile" type = "button" aria-label = "解决方案" > < span class = "title" > 解决方案< / span > < span class = "right arrow" > < / span > < / button > < ul style = "display:none;" class = "navbar-dropdown" > <!-- [ --> < li class = "navbar-dropdown-item" > < a class = "external-link" href = "https://cn.aliyun.com/product/aliware/mse?spm=arthas.topbar.0.0.0" rel = "noopener noreferrer" target = "_blank" aria-label = "微服务解决方案" > <!-- [ --> <!-- ] --> < span > 微服务解决方案< / span > < span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > <!-- [ --> <!-- ] --> < / a > < / li > < li class = "navbar-dropdown-item" > < a class = "external-link" href = "https://www.aliyun.com/aliware/txc?spm=arthas.topbar.0.0.0" rel = "noopener noreferrer" target = "_blank" aria-label = "分布式事务解决方案" > <!-- [ --> <!-- ] --> < span > 分布式事务解决方案< / span > < span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > <!-- [ --> <!-- ] --> < / a > < / li > < li class = "navbar-dropdown-item" > < a class = "external-link" href = "https://www.aliyun.com/product/ahas?spm=artha
< span class = "token property" > " action" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " exec" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " requestId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " req112" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 94766d3c-8b39-42d3-8596-98aee3ccbefb" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " consumerId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 955dbd1325334a84972b0f3ac19de4f7_2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " version" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " execTimeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 10000" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 请求数据格式说明：< / p > < ul > < li > < code > action< / code > : 请求的动作/行为，可选值请参考" 请求 Action" 小节。< / li > < li > < code > requestId< / code > : 可选请求 ID， < / li > < li > < code > sessionId< / code > : Arthas 会话 ID， < / li > < li > < code > consumerId< / code > : Arthas 消费者 ID， < / li > < li > < code > command< / code > : Arthas command line 。< / li > < li > < code > execTimeout< / code > : 命令同步执行的超时时间(ms)，默认为 30000。< / li > < / ul > < p > 注意: 不同的 action 使用到参数不同，根据具体的 action 来设置参数。< / p > < h3 id = "请求-action" tabindex = "-1" > < a class = "header-anchor" href = "#请求-action" aria-hidden = "true" > #< / a > 请求 Action< / h3 > < p > 目前支持的请求 Action 如下：< / p > < ul > < li > < code > exec< / code > : 同步执行命令，命令正常结束或者超时后中断命令执行后返回命令的执行结果。< / li > < li > < code > async_exec< / code > : 异步执行命令，立即返回命令的调度结果，命令执行结果通过< code > pull_results< / code > 获取。< / li > < li > < code > interrupt_job< / code > : 中断会话当前的命令，类似 Telnet < code > Ctrl + c< / code > 的功能。< / li > < li > < code > pull_results< / code > : 获取异步执行的命令的结果，以 http 长轮询（ ） < / li > < li > < code > init_session< / code > : 创建会话< / li > < li > < code > join_session< / code > : 加入会话，用于支持多人共享同一个 Arthas 会话< / li > < li > < code > close_session< / code > : 关闭会话< / li > < / ul > < h3 id = "响应状态" tabindex = "-1" > < a class = "header-anchor" href = "#响应状态" aria-hidden = "true" > #< / a > 响应状态< / h3 > < p > 响应中的 state 属性表示请求处理状态，取值如下：< / p > < ul > < li > < code > SCHEDULED< / code > ：异步执行命令时表示已经创建 job 并已提交到命令执行队列，命令可能还没开始执行或者执行中；< / li > < li > < code > SUCCEEDED< / code > ：请求处理成功（完成状态）；< / li > < li > < code > FAILED< / code > ：请求处理失败（完成状态），通常附带 message 说明原因；< / li > < li > < code > REFUSED< / code > ：请求被拒绝（完成状态），通常附带 message 说明原因；< / li > < / ul > < h2 id = "一次性命令" tabindex = "-1" > < a class = "header-anchor" href = "#一次性命令" aria-hidden = "true" > #< / a > 一次性命令< / h2 > < p > 与执行批处理命令类似，一次性命令以同步方式执行。不需要创建会话，不需要设置< code > sessionId< / code > 选项。< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " action" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " exec" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " < Arthas command line> " < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 比如获取 Arthas 版本号：< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" exec" ,
" command" :" version"
}
' < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 响应内容如下：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ee3bc004-4586-43de-bac0-b69d6db7a869" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " body" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " results" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " version" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " version" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 3.3.7" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " statusCode" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " status" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " timeExpired" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " version" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " TERMINATED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 响应数据解析：< / p > < ul > < li > < code > state< / code > : 请求处理状态，参考“接口响应状态”说明< / li > < li > < code > sessionId < / code > : Arthas 会话 ID， < / li > < li > < code > body.jobId< / code > : 命令的任务 ID， < / li > < li > < code > body.jobStatus< / code > : 任务状态，同步执行正常结束为< code > TERMINATED < / code > < / li > < li > < code > body.timeExpired< / code > : 任务执行是否超时< / li > < li > < code > body/results< / code > : 命令执行的结果列表< / li > < / ul > < p > < strong > 命令结果格式说明< / strong > < / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " version" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " version" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 3.3.7" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " statusCode" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " status" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < ul > < li > < code > type< / code > : 命令结果类型，除了< code > status< / code > 等特殊的几个外，其它的保持与 Arthas 命令名称一致。请参考" < a href = "#special_command_results" > 特殊命令结果< / a > " 小节。< / li > < li > < code > jobId< / code > : 处理命令的任务 ID。< / li > < li > 其它字段为每个不同命令的数据。< / li > < / ul > < p > 注意：也可以使用一次性命令的方式执行 watch/trace 等连续输出的命令，但不能中断命令执行，可能出现长时间没有结束的问题。请参考" < a href = "#change_watch_value_to_map" > watch 命令输出 map 对象< / a > " 小节的示例。< / p > < p > 请尽量按照以下方式处理：< / p > < ul > < li > 设置合理的< code > execTimeout< / code > ，到达超时时间后强制中断命令执行，避免长时间挂起。< / li > < li > 通过< code > -n< / code > 参数指定较少的执行次数。< / li > < li > 保证命令匹配的方法可以成功命中和 condition-express 编写正确，如果 watch/trace 没有命中就算指定< code > -n 1< / code > 也会挂起等待到执行超时。< / li > < / ul > < h2 id = "会话交互" tabindex = "-1" > < a class = "header-anchor" href = "#会话交互" aria-hidden = "true" > #< / a > 会话交互< / h2 > < p > 由用户创建及管理 Arthas 会话，适用于复杂的交互过程。访问流程如下：< / p > < ul > < li > 创建会话< / li > < li > 加入会话(可选）< / li > < li > 拉取命令结果< / li > < li > 执行一系列命令< / li > < li > 中断命令执行< / li > < li > 关闭会话< / li > < / ul > < h3 id = "创建会话" tabindex = "-1" > < a class = "header-anchor" href = "#创建会话" aria-hidden = "true" > #< / a > 创建会话< / h3 > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" init_session"
}
' < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 响应结果：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " b09f1353-202c-407b-af24-701b744f971e" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " consumerId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 5ae4e5fbab8b4e529ac404f260d4e2d1_1" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 当前会话 ID 为： < code > b09f1353-202c-407b-af24-701b744f971e< / code > ， < code > 5ae4e5fbab8b4e529ac404f260d4e2d1_1 < / code > 。< / p > < h3 id = "加入会话" tabindex = "-1" > < a class = "header-anchor" href = "#加入会话" aria-hidden = "true" > #< / a > 加入会话< / h3 > < p > 指定要加入的会话 ID， < / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" join_session" ,
" sessionId" : " b09f1353-202c-407b-af24-701b744f971e"
}
' < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 响应结果：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " consumerId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 8f7f6ad7bc2d4cb5aa57a530927a95cc_2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " b09f1353-202c-407b-af24-701b744f971e" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 新的消费者 ID 为< code > 8f7f6ad7bc2d4cb5aa57a530927a95cc_2 < / code > 。< / p > < h3 id = "拉取命令结果" tabindex = "-1" > < a class = "header-anchor" href = "#拉取命令结果" aria-hidden = "true" > #< / a > 拉取命令结果< / h3 > < p > 拉取命令结果消息的 action 为< code > pull_results< / code > 。请使用 Http long-polling 方式，定时循环拉取结果消息。 消费者的超时时间为 5 分钟，超时后需要调用< code > join_session< / code > 分配新的消费者。每个消费者单独分配一个缓存队列，按顺序拉取命令结果，不会影响到其它消费者。< / p > < p > 请求参数需要指定会话 ID 及消费者 ID:< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" pull_results" ,
" sessionId" : " b09f1353-202c-407b-af24-701b744f971e" ,
" consumerId" : " 8f7f6ad7bc2d4cb5aa57a530927a95cc_2"
}
' < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 用 Bash 脚本定时拉取结果消息:< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token keyword" > while< / span > < span class = "token boolean" > true< / span > < span class = "token punctuation" > ;< / span > < span class = "token keyword" > do< / span > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" pull_results" ,
" sessionId" : " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" ,
" consumerId" : " 8ecb9cb7c7804d5d92e258b23d5245cc_1"
}
' < / span > < span class = "token operator" > |< / span > json_pp< span class = "token punctuation" > ;< / span > < span class = "token function" > sleep< / span > < span class = "token number" > 2< / span > < span class = "token punctuation" > ;< / span > < span class = "token keyword" > done< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 注： < code > json_pp< / code > 工具将输出内容格式化为 pretty json。< / p > < p > 响应内容如下：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " body" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " results" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " inputStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " DISABLED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " input_status" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " message" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " message" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " Welcome to arthas!" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " tutorials" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " https://arthas.aliyun.com/doc/arthas-tutorials.html" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " time" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 2020-08-06 15:56:43" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " welcome" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " pid" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 7909" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " wiki" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " https://arthas.aliyun.com/doc" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " version" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 3.3.7" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " inputStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ALLOW_INPUT" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " input_status" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " b09f1353-202c-407b-af24-701b744f971e" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " consumerId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 8f7f6ad7bc2d4cb5aa57a530927a95cc_2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < h3 id = "异步执行命令" tabindex = "-1" > < a class = "header-anchor" href = "#异步执行命令" aria-hidden = "true" > #< / a > 异步执行命令< / h3 > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > ' ' < / span > '
< span class = "token punctuation" > {< / span >
< span class = "token string" > " action" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " async_exec" < / span > ,
< span class = "token string" > " command" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " watch demo.MathGame primeFactors < span class = "token entity" title = "\"" > \" < / span > {params, returnObj, throwExp}< span class = "token entity" title = "\"" > \" < / span > " < / span > ,
< span class = "token string" > " sessionId" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token string" > ' ' < / span > '
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > < code > async_exec< / code > 的结果：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SCHEDULED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " body" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " jobStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " READY" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch demo.MathGame primeFactors \" {params, returnObj, throwExp}\" " < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < ul > < li > < code > state< / code > : < code > SCHEDULED< / code > 状态表示已经解析命令生成任务，但未开始执行。< / li > < li > < code > body.jobId< / code > : 异步执行命令的任务 ID， < code > pull_results< / code > 输出的命令结果。< / li > < li > < code > body.jobStatus< / code > : 任务状态< code > READY< / code > 表示未开始执行。< / li > < / ul > < p > 查看上面自动拉取结果消息脚本的 shell 输出：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " body" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " results" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " command" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SCHEDULED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch demo.MathGame primeFactors \" {params, returnObj, throwExp}\" " < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " inputStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ALLOW_INTERRUPT" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " input_status" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " success" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > true< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " effect" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " listenerId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " cost" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 24< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " classCount" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " methodCount" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " enhancer" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " sizeLimit" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 10485760< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " expand" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " cost" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0.071499< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " ts" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1596703453237< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " value" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > [< / span >
< span class = "token number" > -170365< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token null keyword" > null< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " stackTrace" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " className" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " demo.MathGame" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " classLoaderName" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " app" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " methodName" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " primeFactors" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " nativeMethod" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " lineNumber" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 46< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " fileName" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " MathGame.java" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
...
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " localizedMessage" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " number is: -170365, need > = 2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " @type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " java.lang.IllegalArgumentException" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " message" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " number is: -170365, need > = 2" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " cost" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0.033375< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " ts" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1596703454241< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " value" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > [< / span >
< span class = "token number" > 1< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > [< / span >
< span class = "token number" > 2< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 2< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 2< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 2< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 13< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 491< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token null keyword" > null< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sizeLimit" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 10485760< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " expand" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " consumerId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 8ecb9cb7c7804d5d92e258b23d5245cc_1" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " sessionId" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > watch 命令结果的< code > value< / code > 为 watch-experss 的值，上面命令中为< code > {params, returnObj, throwExp}< / code > ，所以 watch 结果的 value 为一个长度为 3 的数组，每个元素分别对应相应顺序的表达式。 请参考" < a href = "#change_watch_value_to_map" > watch 命令输出 map 对象< / a > " 小节。< / p > < h3 id = "中断命令执行" tabindex = "-1" > < a class = "header-anchor" href = "#中断命令执行" aria-hidden = "true" > #< / a > 中断命令执行< / h3 > < p > 中断会话正在运行的前台 Job（ ） ： < / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > ' ' < / span > '
< span class = "token punctuation" > {< / span >
< span class = "token string" > " action" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " interrupt_job" < / span > ,
< span class = "token string" > " sessionId" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token string" > ' ' < / span > '
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < div class = "language-text ext-text line-numbers-mode" > < pre class = "language-text" > < code > {
" state" : " SUCCEEDED" ,
" body" : {
" jobStatus" : " TERMINATED" ,
" jobId" : 3
}
}
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < h3 id = "关闭会话" tabindex = "-1" > < a class = "header-anchor" href = "#关闭会话" aria-hidden = "true" > #< / a > 关闭会话< / h3 > < p > 指定会话 ID， < / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > ' ' < / span > '
< span class = "token punctuation" > {< / span >
< span class = "token string" > " action" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " close_session" < / span > ,
< span class = "token string" > " sessionId" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " 2b085b5d-883b-4914-ab35-b2c5c1d5aa2a" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token string" > ' ' < / span > '
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SUCCEEDED" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < h2 id = "鉴权" tabindex = "-1" > < a class = "header-anchor" href = "#鉴权" aria-hidden = "true" > #< / a > 鉴权< / h2 > < p > 参考： < a href = "/doc/auth.html" class = "" > auth< / a > < / p > < h2 id = "web-ui" tabindex = "-1" > < a class = "header-anchor" href = "#web-ui" aria-hidden = "true" > #< / a > Web UI< / h2 > < p > < img src = "/images/arthas-web-ui.png" alt = "" title = "arthas web ui" > < / p > < p > 一个基于 Http API 接口实现的 Web UI， ： < a href = "http://127.0.0.1:8563/ui" target = "_blank" rel = "noopener noreferrer" > http://127.0.0.1:8563/ui< span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > < / a > 。< / p > < p > 已实现功能：< / p > < ul > < li > 创建会话< / li > < li > 复制并打开 url 加入会话，多人共享会话< / li > < li > 周期性拉取会话命令结果消息< / li > < li > 刷新页面或者加入会话拉取会话历史命令消息< / li > < li > 输入命令/中断命令状态控制< / li > < / ul > < p > 待开发功能：< / p > < ul > < li > 改进将命令结果消息可读性< / li > < li > 命令输入支持自动完成及命令模板< / li > < li > 提供命令帮助< / li > < li > 支持个人选项设置< / li > < / ul > < p > < a id = "special_command_results" > < / a > < / p > < h2 id = "特殊命令结果" tabindex = "-1" > < a class = "header-anchor" href = "#特殊命令结果" aria-hidden = "true" > #< / a > 特殊命令结果< / h2 > < h3 id = "status" tabindex = "-1" > < a class = "header-anchor" href = "#status" aria-hidden = "true" > #< / a > status< / h3 > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 5< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " statusCode" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " status" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > < code > type< / code > 为< code > status< / code > 表示命令执行状态：< / p > < p > 每个命令执行结束后都有唯一一个 status 结果。< code > statusCode< / code > 为 0 表示执行成功，< code > statusCode< / code > 为非 0 值表示执行失败，类似进程退出码(exit code)。< / p > < p > 命令执行失败时一般会提供错误消息，如：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " message" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " The argument ' class-pattern' is required" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " statusCode" < / span > < span class = "token operator" > :< / span > < span class = "token number" > -10< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " status" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < h3 id = "input-status" tabindex = "-1" > < a class = "header-anchor" href = "#input-status" aria-hidden = "true" > #< / a > input_status< / h3 > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " inputStatus" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ALLOW_INPUT" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " input_status" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 0< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > < code > type< / code > 为< code > input_status< / code > 表示输入状态：< / p > < p > 用于 UI 交互时控制用户输入，每次执行命令前后会发送改变的消息。 < code > inputStatus< / code > 的值说明：< / p > < ul > < li > < code > ALLOW_INPUT< / code > : 允许用户输入命令，表示会话没有在执行的前台命令，可以接受新的命令。< / li > < li > < code > ALLOW_INTERRUPT< / code > : 允许用户中断命令执行，表示当前正在执行命令，用户可以发送< code > interrupt_job< / code > 中断执行。< / li > < li > < code > DISABLED< / code > : 禁用状态，不能输入命令也不能中断命令。< / li > < / ul > < h3 id = "command" tabindex = "-1" > < a class = "header-anchor" href = "#command" aria-hidden = "true" > #< / a > command< / h3 > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " command" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " state" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " SCHEDULED" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " command" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch demo.MathGame primeFactors \" {params, returnObj, throwExp}\" " < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > < code > type< / code > 为< code > command< / code > 表示输入的命令数据：< / p > < p > 用于交互 UI 回显用户输入的命令，拉取的会话命令消息历史会包含< code > command< / code > 类型的消息，按顺序处理即可。< / p > < h3 id = "enhancer" tabindex = "-1" > < a class = "header-anchor" href = "#enhancer" aria-hidden = "true" > #< / a > enhancer< / h3 > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " success" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > true< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " jobId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " effect" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " listenerId" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 3< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " cost" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 24< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " classCount" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " methodCount" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 1< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " enhancer" < / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > < code > type< / code > 为< code > enhancer< / code > 表示类增强结果：< / p > < p > < code > trace/watch/jad/tt< / code > 等命令需要对类进行增强，会接收到这个< code > enhancer< / code > 结果。可能出现< code > enhancer< / code > 结果成功，但没有命中方法的情况，客户端可以根据< code > enhancer< / code > 结果提示用户。< / p > < h2 id = "案例" tabindex = "-1" > < a class = "header-anchor" href = "#案例" aria-hidden = "true" > #< / a > 案例< / h2 > < h3 id = "获取-java-应用的-classpath" tabindex = "-1" > < a class = "header-anchor" href = "#获取-java-应用的-classpath" aria-hidden = "true" > #< / a > 获取 Java 应用的 Classpath< / h3 > < p > 通过 Http api 查询 Java 应用的 System properties， < code > java.class.path< / code > 的值。< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token assign-left variable" > json_data< / span > < span class = "token operator" > =< / span > < span class = "token variable" > < span class = "token variable" > $(< / span > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d < span class = "token string" > '
{
" action" :" exec" ,
" command" :" sysprop"
}' < / span > < span class = "token variable" > )< / span > < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < ul > < li > 使用< code > sed< / code > 提取值：< / li > < / ul > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token assign-left variable" > class_path< / span > < span class = "token operator" > =< / span > < span class = "token variable" > < span class = "token variable" > $(< / span > < span class = "token builtin class-name" > echo< / span > $json_data < span class = "token operator" > |< / span > < span class = "token function" > tr< / span > -d < span class = "token string" > ' \n' < / span > < span class = "token operator" > |< / span > < span class = "token function" > sed< / span > < span class = "token string" > ' s/.*" java.class.path" :" \([^" ]*\).*/\1/' < / span > < span class = "token variable" > )< / span > < / span >
< span class = "token builtin class-name" > echo< / span > < span class = "token string" > " classpath: < span class = "token variable" > $class_path< / span > " < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < ul > < li > 使用< code > json_pp/awk< / code > 提取值< / li > < / ul > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token assign-left variable" > class_path< / span > < span class = "token operator" > =< / span > < span class = "token variable" > < span class = "token variable" > $(< / span > < span class = "token builtin class-name" > echo< / span > $json_data < span class = "token operator" > |< / span > < span class = "token function" > tr< / span > -d < span class = "token string" > ' \n' < / span > < span class = "token operator" > |< / span > json_pp < span class = "token operator" > |< / span > < span class = "token function" > grep< / span > java.class.path < span class = "token operator" > |< / span > < span class = "token function" > awk< / span > -F< span class = "token string" > ' " ' < / span > < span class = "token string" > ' { print $4 }' < / span > < span class = "token variable" > )< / span > < / span >
< span class = "token builtin class-name" > echo< / span > < span class = "token string" > " classpath: < span class = "token variable" > $class_path< / span > " < / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 输出内容：< / p > < div class = "language-text ext-text line-numbers-mode" > < pre class = "language-text" > < code > classpath: demo-arthas-spring-boot.jar
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < / div > < / div > < p > 注意：< / p > < ul > < li > < code > echo $json_data | tr -d ' \n' < / code > : 删除换行符(< code > line.separator< / code > 的值)，避免影响< code > sed< / code > /< code > json_pp< / code > 命令处理。< / li > < li > < code > awk -F' " ' ' { print $4 }' < / code > : 使用双引号作为分隔符号< / li > < / ul > < p > < a id = "change_watch_value_to_map" > < / a > < / p > < h3 id = "watch-命令输出-map-对象" tabindex = "-1" > < a class = "header-anchor" href = "#watch-命令输出-map-对象" aria-hidden = "true" > #< / a > watch 命令输出 map 对象< / h3 > < p > watch 的结果值由计算< code > watch-express< / code > ognl 表达式产生，可以通过改变 ognl 表达式来生成想要的值，请参考< a href = "https://commons.apache.org/proper/commons-ognl/language-guide.html" target = "_blank" rel = "noopener noreferrer" > OGNL 文档< span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > < / a > 。< / p > < div class = "custom-container tip" > < p class = "custom-container-title" > 提示< / p > < p > Maps can also be created using a special syntax.< / p > < p > #{ " foo" : " foo value" , " bar" : " bar value" }< / p > < p > This creates a Map initialized with mappings for " foo" and " bar" .< / p > < / div > < p > 下面的命令生成 map 格式的值：< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > watch< / span > *MathGame prime* < span class = "token string" > ' #{ " params" : params, " returnObj" : returnObj, " throwExp" : throwExp}' < / span > -x < span class = "token number" > 2< / span > -n < span class = "token number" > 5< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < / div > < / div > < p > 在 Telnet shell/WebConsole 中执行上面的命令，输出的结果：< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token assign-left variable" > ts< / span > < span class = "token operator" > =< / span > < span class = "token number" > 2020< / span > -08-06 < span class = "token number" > 16< / span > :57:20< span class = "token punctuation" > ;< / span > < span class = "token punctuation" > [< / span > cost< span class = "token operator" > =< / span > < span class = "token number" > 0< / span > .241735ms< span class = "token punctuation" > ]< / span > < span class = "token assign-left variable" > result< / span > < span class = "token operator" > =< / span > @LinkedHashMap< span class = "token punctuation" > [< / span >
@String< span class = "token punctuation" > [< / span > params< span class = "token punctuation" > ]< / span > :@Object< span class = "token punctuation" > [< / span > < span class = "token punctuation" > ]< / span > < span class = "token punctuation" > [< / span >
@Integer< span class = "token punctuation" > [< / span > < span class = "token number" > 1< / span > < span class = "token punctuation" > ]< / span > ,
< span class = "token punctuation" > ]< / span > ,
@String< span class = "token punctuation" > [< / span > returnObj< span class = "token punctuation" > ]< / span > :@ArrayList< span class = "token punctuation" > [< / span >
@Integer< span class = "token punctuation" > [< / span > < span class = "token number" > 2< / span > < span class = "token punctuation" > ]< / span > ,
@Integer< span class = "token punctuation" > [< / span > < span class = "token number" > 241< / span > < span class = "token punctuation" > ]< / span > ,
@Integer< span class = "token punctuation" > [< / span > < span class = "token number" > 379< / span > < span class = "token punctuation" > ]< / span > ,
< span class = "token punctuation" > ]< / span > ,
@String< span class = "token punctuation" > [< / span > throwExp< span class = "token punctuation" > ]< / span > :null,
< span class = "token punctuation" > ]< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 用 Http api 执行上面的命令，注意对 JSON 双引号转义：< / p > < div class = "language-bash ext-sh line-numbers-mode" > < pre class = "language-bash" > < code > < span class = "token function" > curl< / span > -Ss -XPOST http://localhost:8563/api -d @- < span class = "token operator" > < < < / span > < span class = "token string" > EOF
{
" action" :" exec" ,
" execTimeout" : 30000,
" command" :" watch *MathGame prime* ' #{ < span class = "token entity" title = "\"" > \" < / span > params< span class = "token entity" title = "\"" > \" < / span > : params, < span class = "token entity" title = "\"" > \" < / span > returnObj< span class = "token entity" title = "\"" > \" < / span > : returnObj, < span class = "token entity" title = "\"" > \" < / span > throwExp< span class = "token entity" title = "\"" > \" < / span > : throwExp}' -n 3 "
}
EOF< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > Http api 执行结果：< / p > < div class = "language-json ext-json line-numbers-mode" > < pre class = "language-json" > < code > < span class = "token punctuation" > {< / span >
< span class = "token property" > " body" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
...
< span class = "token property" > " results" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
...
< span class = "token punctuation" > {< / span >
...
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " value" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " params" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token number" > 1< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " returnObj" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token number" > 2< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 5< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 17< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 23< / span > < span class = "token punctuation" > ,< / span >
< span class = "token number" > 23< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
...
< span class = "token property" > " type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " watch" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " value" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " params" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token number" > -98278< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " throwExp" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " @type" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " java.lang.IllegalArgumentException" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " localizedMessage" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " number is: -98278, need > = 2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " message" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " number is: -98278, need > = 2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " stackTrace" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
...
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
...
< span class = "token punctuation" > }< / span >
< / code > < / pre > < div class = "line-numbers" aria-hidden = "true" > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < div class = "line-number" > < / div > < / div > < / div > < p > 可以看到 watch 结果的 value 变成 map 对象，程序可以通过 key 读取结果。< / p > < / div > <!-- [ --> <!-- ] --> < / div > < footer class = "page-meta right-menu-padding" data-v-8e2a76de > < div class = "meta-item edit-link" > < a class = "external-link meta-item-label" href = "https://github.com/alibaba/arthas/edit/master/site/docs/doc/http-api.md" rel = "noopener noreferrer" target = "_blank" aria-label = "在 GitHub 上编辑此页" > <!-- [ --> <!-- ] --> < span > 在 GitHub 上编辑此页< / span > < span > < svg class = "external-link-icon" xmlns = "http://www.w3.org/2000/svg" aria-hidden = "true" focusable = "false" x = "0px" y = "0px" viewbox = "0 0 100 100" width = "15" height = "15" > < path fill = "currentColor" d = "M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z" > < / path > < polygon fill = "currentColor" points = "45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9" > < / polygon > < / svg > < span class = "external-link-icon-sr-only" > 在新窗口打开< / span > < / span > <!-- [ --> <!-- ] --> < / a > < / div > < div class = "meta-item last-updated" > < span class = "meta-item-label" > Last Updated: < / span > <!-- --> < / div > < div class = "meta-item contributors" > < span class = "meta-item-label" > 贡献者: < / span > < span class = "meta-item-info" > <!-- [ --> <!-- [ --> < span class = "contributor" title = "email: hengyunabc@gmail.com" > hengyunabc< / span > <!-- [ --> , <!-- ] --> <!-- ] --> <!-- [ --> < span class = "contributor" title = "email: kylixs@qq.com" > gongdewei< / span > <!-- [ --> , <!-- ] --> <!-- ] --> <!-- [ --> < span class = "contributor" title = "email: i@fatpandac.com" > Fatpandac< / span > <!-- [ --> , <!-- ] --> <!-- ] --> <!-- [ --> < span class = "contributor" title = "email: hollowman186@vip.qq.com" > Hollow Man< / span > <!-- --> <!-- ] --> <!-- ] --> < / span > < / div > < / footer > < nav class = "page-nav right-menu-padding" data-v-8e2a76de > < p class = "inner" > < span class = "prev" > < a href = "/doc/tunnel.html" class = "" aria-label = "Arthas Tunnel" > <!-- [ --> <!-- ] --> Arthas Tunnel <!-- [ --> <!-- ] --> < / a > < / span > < span class = "next" > < a href = "/doc/docker.html" class = "" aria-label = "Docker" > <!-- [ --> <!-- ] --> Docker <!-- [ --> <!-- ] --> < / a > < / span > < / p > < / nav > <!-- [ --> <!-- ] --> < / main > <!-- ] --> < / div > <!-- --> <!-- ] --> < / div >
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