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file major version 61 using arthas 3.6.3"><!--[--><!--]--> Unsupported class file major version 61 using arthas 3.6.3 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15736.html" class="sidebar-item" aria-label="artahs中jad参数"><!--[--><!--]--> artahs中jad参数 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11444.html" class="sidebar-item" aria-label="arthas 命令解释"><!--[--><!--]--> arthas 命令解释 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11784.html" class="sidebar-item" aria-label="arthas使用的各类方式有哪些"><!--[--><!--]--> arthas使用的各类方式有哪些 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12716.html" class="sidebar-item" aria-label="arthas 怎么查看堆内存太高"><!--[--><!--]--> arthas 怎么查看堆内存太高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13511.html" class="sidebar-item" aria-label="arthas方法运行后查看成员变量"><!--[--><!--]--> arthas方法运行后查看成员变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14843.html" class="sidebar-item" aria-label="arthas 支持jdk 20么"><!--[--><!--]--> arthas 支持jdk 20么 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15737.html" class="sidebar-item" aria-label="进程停了 arthas也会同步停止么"><!--[--><!--]--> 进程停了 arthas也会同步停止么 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11450.html" class="sidebar-item" aria-label="arthas 分析thread线程卡住"><!--[--><!--]--> arthas 分析thread线程卡住 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11795.html" class="sidebar-item" aria-label="使用arthas查看成员变量值具体怎么做"><!--[--><!--]--> 使用arthas查看成员变量值具体怎么做 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12740.html" class="sidebar-item" aria-label="arthas怎么分析cpu很高"><!--[--><!--]--> arthas怎么分析cpu很高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13512.html" class="sidebar-item" aria-label="如何查看java内存增长哪些对象"><!--[--><!--]--> 如何查看java内存增长哪些对象 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15167.html" class="sidebar-item" aria-label="介绍一下arthas"><!--[--><!--]--> 介绍一下arthas <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15738.html" class="sidebar-item" aria-label="arthas如何查看hashmap的值"><!--[--><!--]--> arthas如何查看hashmap的值 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11451.html" class="sidebar-item" aria-label="arthas 怎么排查cpu占用过高"><!--[--><!--]--> arthas 怎么排查cpu占用过高 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11809.html" class="sidebar-item" aria-label="linux下的arthas 具体怎么用?(使用教程)"><!--[--><!--]--> linux下的arthas 具体怎么用?(使用教程) <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12741.html" class="sidebar-item" aria-label="如何使用arthas查看系统哪个地方内存占用过大"><!--[--><!--]--> 如何使用arthas查看系统哪个地方内存占用过大 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13513.html" class="sidebar-item" aria-label="arthas 监听成员变量值的方法是什么?"><!--[--><!--]--> arthas 监听成员变量值的方法是什么? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15543.html" class="sidebar-item" aria-label="arthas中tt命令如何查看方法入参的具体命令"><!--[--><!--]--> arthas中tt命令如何查看方法入参的具体命令 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15739.html" class="sidebar-item" aria-label="arthas可以监听私有方法吗"><!--[--><!--]--> arthas可以监听私有方法吗 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11452.html" class="sidebar-item" aria-label="arthas 查看方法耗时"><!--[--><!--]--> arthas 查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11810.html" class="sidebar-item" aria-label="arthas查看方法耗时"><!--[--><!--]--> arthas查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13448.html" class="sidebar-item" aria-label="如何使用arthas分析慢查询"><!--[--><!--]--> 如何使用arthas分析慢查询 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13522.html" class="sidebar-item" aria-label="Connect to telnet server error: 127.0.0.1 3658"><!--[--><!--]--> Connect to telnet server error: 127.0.0.1 3658 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15726.html" class="sidebar-item" aria-label="arthas 如何查询static变量"><!--[--><!--]--> arthas 如何查询static变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15740.html" class="sidebar-item" aria-label="arthas 分析内存身高的方法"><!--[--><!--]--> arthas 分析内存身高的方法 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11453.html" class="sidebar-item" aria-label="arthas 怎样查看方法耗时"><!--[--><!--]--> arthas 怎样查看方法耗时 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11814.html" class="sidebar-item" aria-label="arthas 怎么排查内存泄漏"><!--[--><!--]--> arthas 怎么排查内存泄漏 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13504.html" class="sidebar-item" aria-label="如何查看实时jvm内存大小占用"><!--[--><!--]--> 如何查看实时jvm内存大小占用 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14763.html" class="sidebar-item" aria-label="利用Arthas排查NoSuchMethodError"><!--[--><!--]--> 利用Arthas排查NoSuchMethodError <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15728.html" class="sidebar-item" aria-label="arthas 获取成员变量"><!--[--><!--]--> arthas 获取成员变量 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history11454.html" class="sidebar-item" aria-label="arthas 常用命令介绍"><!--[--><!--]--> arthas 常用命令介绍 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history12453.html" class="sidebar-item" aria-label="artahs 怎么查看内存情况?"><!--[--><!--]--> artahs 怎么查看内存情况? <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history13506.html" class="sidebar-item" aria-label="如何查看java内存增长哪些对象"><!--[--><!--]--> 如何查看java内存增长哪些对象 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history14831.html" class="sidebar-item" aria-label="Dashboard 命令cpuUsage长期在90%左右"><!--[--><!--]--> Dashboard 命令cpuUsage长期在90%左右 <!--[--><!--]--></a><!----></li><li><a href="/doc/expert/user-question-history15729.html" class="sidebar-item" aria-label="arthas 怎么查看变量内容"><!--[--><!--]--> arthas 怎么查看变量内容 <!--[--><!--]--></a><!----></li><!--]--></ul></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas/issues?q=label%3Auser-case" rel="noopener noreferrer" target="_blank" aria-label="用户案例"><!--[--><!--]--><span>用户案例</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><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas" rel="noopener noreferrer" target="_blank" aria-label="Star me at github"><!--[--><!--]--><span>Star me at github</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 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rel="noopener noreferrer" target="_blank" aria-label="Release Notes"><!--[--><!--]--><span>Release Notes</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><a href="/doc/contact-us.md" class="sidebar-item" aria-label="QQ 群/钉钉群"><!--[--><!--]--> QQ 群/钉钉群 <!--[--><!--]--></a><!----></li><!--]--></ul></li><!--]--></ul><!--[--><!--]--></aside><!--]--><!--[--><main class="page" data-v-fdd717e0><!--[--><!--]--><div class="right-menu-padding theme-default-content" data-v-fdd717e0><!--[--><!--]--><div class="right-menu-wrapper" data-v-fdd717e0 data-v-64666cd5><div class="right-menu-margin" data-v-64666cd5><div class="right-menu-title" data-v-64666cd5>目录</div><div class="right-menu-content" data-v-64666cd5><!--[--><!--]--></div></div></div><div data-v-fdd717e0><h1 id="release-notes" tabindex="-1"><a class="header-anchor" href="#release-notes" aria-hidden="true">#</a> Release Notes</h1><h2 id="v3-1-1" tabindex="-1"><a class="header-anchor" href="#v3-1-1" aria-hidden="true">#</a> v3.1.1</h2><ul><li><a href="https://github.com/alibaba/arthas/releases/tag/arthas-all-3.1.1" target="_blank" rel="noopener noreferrer">https://github.com/alibaba/arthas/releases/tag/arthas-all-3.1.1<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></ul><h2 id="v3-1-0" tabindex="-1"><a class="header-anchor" href="#v3-1-0" aria-hidden="true">#</a> v3.1.0</h2><ul><li><a href="https://github.com/alibaba/arthas/releases/tag/3.1.0" target="_blank" rel="noopener noreferrer">https://github.com/alibaba/arthas/releases/tag/3.1.0<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></ul><h2 id="v3-0-5" tabindex="-1"><a class="header-anchor" href="#v3-0-5" aria-hidden="true">#</a> v3.0.5</h2><ul><li><a href="https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5" target="_blank" rel="noopener noreferrer">https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.5<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></ul><h2 id="v3-0-4" tabindex="-1"><a class="header-anchor" href="#v3-0-4" aria-hidden="true">#</a> v3.0.4</h2><ul><li><a href="https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4" target="_blank" rel="noopener noreferrer">https://github.com/alibaba/arthas/releases/tag/arthas-all-3.0.4<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></ul><h2 id="v2017-11-03" tabindex="-1"><a class="header-anchor" href="#v2017-11-03" aria-hidden="true">#</a> v2017-11-03</h2><ul><li>增加 getstatic 方法获取静态变量</li><li>修复 arthas classloader 加载到应用日志的问题</li><li>增加 ognl custom classloader 便于调用静态方法</li><li>优化 termd 输出大字符串的性能问题</li><li>classloader 命令默认按类加载器类型分类编译</li><li>修复 wc 命令统计错误的问题</li><li>禁止增强特定 JDK 类,如 Classloader, Method, Integer 等</li><li>支持 OGNL 表达式出错直接退出命令</li><li>修复管道类命令单独出错的问题</li><li>优化命令重定向功能,使用异步日志输出结果</li><li>trace 命令增加过滤 jdk 方法调用的功能</li></ul><h2 id="v2017-09-22" tabindex="-1"><a class="header-anchor" href="#v2017-09-22" aria-hidden="true">#</a> v2017-09-22</h2><ul><li>优化 agent server 启动时的异常信息</li><li>修复异步命令的一些 bug</li></ul><h2 id="v2017-09-11" tabindex="-1"><a class="header-anchor" href="#v2017-09-11" aria-hidden="true">#</a> v2017-09-11</h2><ul><li>支持<a href="/doc/async.html" class="">异步后后命令</a></li><li>jad 命令优化,支持 JDK8 及内部类</li><li>修复中文乱码问题</li></ul><h2 id="v2017-05-11" tabindex="-1"><a class="header-anchor" href="#v2017-05-11" aria-hidden="true">#</a> v2017-05-11</h2><ul><li>tt 命令默认只展开 1 层,防止对象过大造成卡顿</li><li>修复中文无法展示的问题</li></ul><h2 id="v2017-05-12" tabindex="-1"><a class="header-anchor" href="#v2017-05-12" aria-hidden="true">#</a> v2017-05-12</h2><ul><li>Arthas 3.0 release</li></ul><h2 id="v2016-12-09" tabindex="-1"><a class="header-anchor" href="#v2016-12-09" aria-hidden="true">#</a> v2016-12-09</h2><ul><li>as.sh 支持-h 输出帮助</li><li>[#121] 修复残留的临时文件导致 arthas 启动失败的问题</li><li>[#123] 修复反复 attach/shutdown 造成 classloader 泄露的问题</li><li>优化命令中的帮助提示信息</li><li>[#126] 修复 tm 命令文档链接错乱的问题</li><li>[#122] classloader 命令中过滤掉<code>sun.reflect.DelegatingClassLoader</code></li><li>[#129] 修复 classloader 层次展示的问题</li><li>[#125] arthas 输出的 log 不主动换行,对于日志解析更加友好</li><li>[#96] sc 等命令支持 com/taobao/xxx/TestClass 这样的格式,以后复制粘贴不需要在把&#39;/&#39;替换成&#39;.&#39;</li><li>[#124] 修复某些情况下 trace 的时间为负值的问题</li><li>[#128] tt 命令的结果默认自动展开,不需要再增加<code>-x 2</code>来看到参数,异常的详细信息了。</li><li>[#130] 修复当端口冲突时,没有很好地打印错误,而是进入了一个出错的交互界面的问题</li><li>[#98] 修复 Arthas 启动时,如果下载更新失败,导致启动失败的问题</li><li>[#139] 修复某些特殊情况下 agent attach 失败的问题</li><li>[#156] jd-core-java 延迟初始化,避免 arthas 启动时出错</li><li>修复线程名重复的问题</li><li>[#150] trace 命令支持按运行总耗时过滤</li><li>修复 sc 查找 SystemClassloader 时可能出现的 NPE</li><li>[#180] 修复第一次 Attach 成功之后,删除之前 Arthas 的安装包,重新编译打包,再次 attach 失败的问题</li></ul><h2 id="v2016-06-07" tabindex="-1"><a class="header-anchor" href="#v2016-06-07" aria-hidden="true">#</a> v2016-06-07</h2><ul><li>修复以资源方式加载 spy 类时出现 NPE 的问题</li><li>支持一键找出线程中获得锁并阻塞住其他线程的线程</li><li>优化 Thread 输出,按线程名排序</li><li>获取 topN 忙的线程时,支持指定刷新间隔</li></ul><h2 id="v2016-04-08" tabindex="-1"><a class="header-anchor" href="#v2016-04-08" aria-hidden="true">#</a> v2016-04-08</h2><ul><li><p>New feature</p><ul><li>dashboard 支持指定刷新频率,支持指定执行次数</li><li>命令执行结果保存到日志文件,方便后续查看</li><li>启动速度优化,第一次 attach 的速度提升一倍</li><li>支持批处理功能,支持执行脚本文件</li><li>优化启动逻辑arthas 脚本启动时交互式选择进程</li><li>类默认启用继承关系查询,查找类时默认会查找子类,如果需要关闭,则通过全局开关 Options disable-sub-class 关闭</li><li>支持在彩色模式和文本模式中切换</li></ul></li><li><p>UI Improvement:</p><ul><li>合并 exit 和 quit 命令</li><li>命令帮助信息增加 wiki 链接</li><li>优化 watch 的逻辑,更加符合大家的直觉</li><li>thread 命令增加 example 说明</li><li>自动补全的时候,忽略大小写</li></ul></li><li><p>Bugfix:</p><ul><li>修复 trace 命令遇到循环造成输出太长</li><li>修复 trace 命令在方法调用中抛出了异常,会让 trace 的节点错位</li><li>修正增强 BootstrapClassLoader 加载的类,找不到 Spy 的问题</li><li>修复某些配色方案下,结果显示不友好的问题</li></ul></li></ul><h2 id="v2016-03-07" tabindex="-1"><a class="header-anchor" href="#v2016-03-07" aria-hidden="true">#</a> v2016-03-07</h2><ul><li>支持一键查看当前最忙的前 N 个线程及其堆栈</li><li>修复 openjdk 下启动 arthas 失败的问题(需要重新安装 as.sh</li><li>一些体验优化</li></ul><h2 id="v2016-01-18" tabindex="-1"><a class="header-anchor" href="#v2016-01-18" aria-hidden="true">#</a> v2016-01-18</h2><ul><li>优化 jad实时 dump 内存 byte array并使用 jd-core-java 反编译,支持<code>行号显示</code></li><li>修复 tt 命令在监控与线程上下文相关的方法调用时,显示/重做等场景下的 bug</li></ul><h2 id="v2016-01-08" tabindex="-1"><a class="header-anchor" href="#v2016-01-08" aria-hidden="true">#</a> v2016-01-08</h2><ul><li>修复一些 bug <ul><li>jad NPE</li><li>watch/monitor NPE</li><li>不需要转义</li><li>数据统计问题修复</li><li>sc 查看静态变量内部层次结构</li></ul></li></ul><h2 id="v2015-12-29" tabindex="-1"><a class="header-anchor" href="#v2015-12-29" aria-hidden="true">#</a> v2015-12-29</h2><ul><li>Arthas 2.0 测试版本发布!</li></ul></div><!--[--><!--]--></div><footer class="page-meta right-menu-padding" data-v-fdd717e0><div class="meta-item edit-link"><a class="external-link meta-item-label" href="https://github.com/alibaba/arthas/edit/master/site/docs/doc/release-notes.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 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