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4 lines
8.8 KiB
JavaScript
4 lines
8.8 KiB
JavaScript
import{_ as c,o as i,c as h,b as a,w as o,a as t,d as l,e,r as d}from"./app.5024572d.js";const _={},u=l(`<h2 id="\u7528\u6237\u95EE\u9898" tabindex="-1"><a class="header-anchor" href="#\u7528\u6237\u95EE\u9898" aria-hidden="true">#</a> \u7528\u6237\u95EE\u9898 \uFF1A</h2><p>arthas \u5982\u4F55\u67E5\u8BE2static\u53D8\u91CF</p><hr><h2 id="\u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54" tabindex="-1"><a class="header-anchor" href="#\u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54" aria-hidden="true">#</a> \u4E13\u5BB6\u5B98\u65B9\u89E3\u7B54 \uFF1A</h2><p>\u8981\u67E5\u8BE2Java\u5E94\u7528\u4E2D\u9759\u6001(static)\u53D8\u91CF\u7684\u503C\uFF0CArthas \u63D0\u4F9B\u4E86 <code>watch</code> \u548C <code>ognl</code> \u547D\u4EE4\u6765\u5E2E\u52A9\u6211\u4EEC\u3002\u867D\u7136\u63D0\u4F9B\u7684\u77E5\u8BC6\u5185\u5BB9\u6CA1\u6709\u76F4\u63A5\u5C55\u793A\u5982\u4F55\u67E5\u8BE2\u9759\u6001\u53D8\u91CF\uFF0C\u4F46\u53EF\u4EE5\u6839\u636EArthas\u7684\u57FA\u672C\u529F\u80FD\u6765\u6307\u5BFC\u5982\u4F55\u64CD\u4F5C\u3002\u4EE5\u4E0B\u662F\u6839\u636EArthas\u7684\u529F\u80FD\uFF0C\u63A8\u5BFC\u51FA\u67E5\u8BE2\u9759\u6001\u53D8\u91CF\u7684\u6B65\u9AA4\uFF1A</p><h3 id="\u5206\u6790\u95EE\u9898\u539F\u56E0" tabindex="-1"><a class="header-anchor" href="#\u5206\u6790\u95EE\u9898\u539F\u56E0" aria-hidden="true">#</a> \u5206\u6790\u95EE\u9898\u539F\u56E0</h3><p>\u67E5\u8BE2\u9759\u6001\u53D8\u91CF\u7684\u9700\u6C42\u901A\u5E38\u6765\u6E90\u4E8E\u9700\u8981\u76D1\u63A7\u6216\u8C03\u8BD5\u5E94\u7528\u7A0B\u5E8F\u4E2D\u67D0\u4E9B\u5168\u5C40\u72B6\u6001\u7684\u53D8\u5316\u3002\u9759\u6001\u53D8\u91CF\u7531\u4E8E\u5176\u751F\u547D\u5468\u671F\u4E0E\u7C7B\u76F8\u540C\uFF0C\u5E38\u7528\u4E8E\u4FDD\u5B58\u7A0B\u5E8F\u8FD0\u884C\u8FC7\u7A0B\u4E2D\u7684\u5171\u4EAB\u4FE1\u606F\uFF0C\u56E0\u6B64\u4E86\u89E3\u5176\u503C\u5BF9\u4E8E\u8BCA\u65AD\u95EE\u9898\u662F\u5F88\u6709\u5E2E\u52A9\u7684\u3002</p><h3 id="\u5177\u4F53\u6B65\u9AA4" tabindex="-1"><a class="header-anchor" href="#\u5177\u4F53\u6B65\u9AA4" aria-hidden="true">#</a> \u5177\u4F53\u6B65\u9AA4</h3><h4 id="\u4F7F\u7528-ognl-\u547D\u4EE4" tabindex="-1"><a class="header-anchor" href="#\u4F7F\u7528-ognl-\u547D\u4EE4" aria-hidden="true">#</a> \u4F7F\u7528 <code>ognl</code> \u547D\u4EE4</h4><ol><li><p><strong>\u67E5\u770B\u9759\u6001\u53D8\u91CF</strong>\uFF1A\u9996\u5148\uFF0C\u4F60\u9700\u8981\u77E5\u9053\u60F3\u8981\u67E5\u8BE2\u7684\u9759\u6001\u53D8\u91CF\u6240\u5728\u7684\u5168\u9650\u5B9A\u7C7B\u540D\u53CA\u53D8\u91CF\u540D\u3002\u7136\u540E\uFF0C\u4F7F\u7528 <code>ognl</code> \u547D\u4EE4\u53EF\u4EE5\u76F4\u63A5\u83B7\u53D6\u9759\u6001\u53D8\u91CF\u7684\u503C\u3002\u4F8B\u5982\uFF0C\u5982\u679C\u60F3\u67E5\u770B <code>com.example.MyClass</code> \u4E2D\u540D\u4E3A <code>myStaticVar</code> \u7684\u9759\u6001\u53D8\u91CF\uFF0C\u547D\u4EE4\u5982\u4E0B\uFF1A</p><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>ognl '@com.example.MyClass@myStaticVar'
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>\u8FD9\u4E2A\u547D\u4EE4\u4F1A\u6253\u5370\u51FA\u8BE5\u9759\u6001\u53D8\u91CF\u7684\u5F53\u524D\u503C\u3002</p></li></ol><h4 id="\u4F7F\u7528-watch-\u547D\u4EE4-\u53EF\u9009-\u9002\u7528\u4E8E\u52A8\u6001\u76D1\u63A7" tabindex="-1"><a class="header-anchor" href="#\u4F7F\u7528-watch-\u547D\u4EE4-\u53EF\u9009-\u9002\u7528\u4E8E\u52A8\u6001\u76D1\u63A7" aria-hidden="true">#</a> \u4F7F\u7528 <code>watch</code> \u547D\u4EE4\uFF08\u53EF\u9009\uFF0C\u9002\u7528\u4E8E\u52A8\u6001\u76D1\u63A7\uFF09</h4><ol start="2"><li><p><strong>\u52A8\u6001\u8DDF\u8E2A\u53D8\u5316</strong>\uFF1A\u5982\u679C\u4F60\u60F3\u5728\u6BCF\u6B21\u8BE5\u9759\u6001\u53D8\u91CF\u88AB\u4FEE\u6539\u65F6\u90FD\u5F97\u5230\u901A\u77E5\uFF0C\u53EF\u4EE5\u4F7F\u7528 <code>watch</code> \u547D\u4EE4\u3002\u8FD9\u4E0D\u4EC5\u4F1A\u663E\u793A\u5F53\u524D\u503C\uFF0C\u8FD8\u4F1A\u5728\u503C\u53D1\u751F\u6539\u53D8\u65F6\u89E6\u53D1\u5E76\u6253\u5370\u76F8\u5173\u4FE1\u606F\u3002\u547D\u4EE4\u683C\u5F0F\u5982\u4E0B\uFF1A</p><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>watch com.example.MyClass myStaticVar "{params,returnObj,throwExp -> printf('myStaticVar updated to: %s\\\\n', returnObj)}"
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>\u8FD9\u4E2A\u547D\u4EE4\u4F1A\u5728 <code>myStaticVar</code> \u53D8\u5316\u65F6\u6267\u884C\u6307\u5B9A\u7684\u811A\u672C\uFF0C\u8FD9\u91CC\u7B80\u5355\u5730\u6253\u5370\u51FA\u66F4\u65B0\u540E\u7684\u503C\u3002</p></li></ol><h3 id="\u89E3\u91CA" tabindex="-1"><a class="header-anchor" href="#\u89E3\u91CA" aria-hidden="true">#</a> \u89E3\u91CA</h3><ul><li><code>ognl</code> \u547D\u4EE4\u5141\u8BB8\u4F60\u76F4\u63A5\u8BBF\u95EE\u548C\u64CD\u4F5CJava\u5BF9\u8C61\uFF0C\u5305\u62EC\u9759\u6001\u53D8\u91CF\u3002\u901A\u8FC7\u8868\u8FBE\u5F0F <code>@\u7C7B\u540D@\u53D8\u91CF\u540D</code>\uFF0C\u4F60\u53EF\u4EE5\u76F4\u63A5\u8BFB\u53D6\u9759\u6001\u53D8\u91CF\u7684\u503C\u3002</li><li><code>watch</code> \u547D\u4EE4\u5219\u66F4\u8FDB\u4E00\u6B65\uFF0C\u5B83\u80FD\u5728\u6BCF\u6B21\u65B9\u6CD5\u8C03\u7528\u524D\u540E\u6216\u53D8\u91CF\u66F4\u6539\u65F6\u6267\u884C\u4E00\u6BB5\u811A\u672C\uFF0C\u975E\u5E38\u9002\u5408\u4E8E\u52A8\u6001\u76D1\u63A7\u53D8\u91CF\u7684\u53D8\u5316\u60C5\u51B5\uFF0C\u4E3A\u8C03\u8BD5\u63D0\u4F9B\u4E86\u5F3A\u5927\u7684\u7075\u6D3B\u6027\u3002</li></ul><p>\u8BF7\u6CE8\u610F\uFF0C\u8FD9\u4E9B\u64CD\u4F5C\u90FD\u9700\u8981\u4F60\u7684\u5E94\u7528\u6B63\u5728\u8FD0\u884C\uFF0C\u5E76\u4E14\u5DF2\u7ECF\u901A\u8FC7Arthas\u6210\u529Fattach\u5230\u4E86\u76EE\u6807Java\u8FDB\u7A0B\u4E2D\u3002</p><h3 id="\u7ED3\u8BBA" tabindex="-1"><a class="header-anchor" href="#\u7ED3\u8BBA" aria-hidden="true">#</a> \u7ED3\u8BBA</h3><p>\u5C3D\u7BA1\u63D0\u4F9B\u7684\u77E5\u8BC6\u5185\u5BB9\u6CA1\u6709\u76F4\u63A5\u5305\u542B\u67E5\u8BE2\u9759\u6001\u53D8\u91CF\u7684\u65B9\u6CD5\uFF0C\u4F46\u57FA\u4E8EArthas\u7684\u529F\u80FD\uFF0C\u6211\u4EEC\u53EF\u4EE5\u901A\u8FC7\u4E0A\u8FF0\u6B65\u9AA4\u6709\u6548\u5730\u67E5\u8BE2\u548C\u76D1\u63A7Java\u5E94\u7528\u4E2D\u7684\u9759\u6001\u53D8\u91CF\u3002\u5982\u679C\u4F60\u6709\u66F4\u5177\u4F53\u7684\u95EE\u9898\u6216\u4E0A\u8FF0\u6B65\u9AA4\u672A\u80FD\u89E3\u51B3\u4F60\u7684\u95EE\u9898\uFF0C\u8BF7\u63D0\u4F9B\u66F4\u591A\u4FE1\u606F\u6216\u63CF\u8FF0\u66F4\u5177\u4F53\u7684\u60C5\u666F\u3002</p>`,17),p=e("---------------"),f=t("h2",{id:"\u53C2\u8003\u94FE\u63A5",tabindex:"-1"},[t("a",{class:"header-anchor",href:"#\u53C2\u8003\u94FE\u63A5","aria-hidden":"true"},"#"),e(" \u53C2\u8003\u94FE\u63A5 \uFF1A")],-1),m=e("\u4E13\u5BB6\u7ECF\u9A8C\uFF1A\u5229\u7528Arthas\u6392\u67E5NoSuchMethodError"),x=e("\u4E13\u5BB6\u7ECF\u9A8C\uFF1AArthas \u5FEB\u901F\u542F\u52A8"),b=e("\u4E13\u5BB6\u7ECF\u9A8C\uFF1Aarthas \u4F60\u597D"),g=e("---------------"),v={id:"\u7B54\u7591\u670D\u52A1\u8BF4\u660E",tabindex:"-1"},y=t("a",{class:"header-anchor",href:"#\u7B54\u7591\u670D\u52A1\u8BF4\u660E","aria-hidden":"true"},"#",-1),w=e(),k=e("\u7B54\u7591\u670D\u52A1\u8BF4\u660E\uFF1A"),V=e("\u672C\u5185\u5BB9\u7ECF\u7531\u6280\u672F\u4E13\u5BB6\u5BA1\u9605\u7684\u7528\u6237\u95EE\u7B54\u7684\u955C\u50CF\u751F\u6210\uFF0C\u6211\u4EEC\u63D0\u4F9B\u4E86"),A=e("\u4E13\u5BB6\u667A\u80FD\u7B54\u7591\u670D\u52A1"),S=e("\uFF0C\u5728"),q=e("\u9875\u9762\u7684\u53F3\u4E0B\u7684\u6D6E\u7A97\u201D\u4E13\u5BB6\u7B54\u7591\u201C"),E=e("\u3002\u60A8\u4E5F\u53EF\u4EE5\u8BBF\u95EE : "),F={href:"https://answer.opensource.alibaba.com/docs/intro",target:"_blank",rel:"noopener noreferrer"},J=e("\u5168\u5C40\u4E13\u5BB6\u7B54\u7591"),O=e(" \u3002 \u54A8\u8BE2\u5176\u4ED6\u4EA7\u54C1\u7684\u7684\u95EE\u9898"),C=t("h3",{id:"\u53CD\u9988",tabindex:"-1"},[t("a",{class:"header-anchor",href:"#\u53CD\u9988","aria-hidden":"true"},"#"),e(" \u53CD\u9988")],-1),N=e("\u5982\u95EE\u7B54\u6709\u9519\u6F0F\uFF0C\u6B22\u8FCE\u70B9\uFF1A"),B={href:"https://ai.nacos.io/user/feedbackByEnhancerGradePOJOID?enhancerGradePOJOId=16087",target:"_blank",rel:"noopener noreferrer"},I=e("\u5DEE\u8BC4"),L=e("\u7ED9\u6211\u4EEC\u53CD\u9988\u3002");function M(j,G){const r=d("font"),s=d("RouterLink"),n=d("ExternalLinkIcon");return i(),h("div",null,[u,a(r,{color:"#949494"},{default:o(()=>[p]),_:1}),f,t("p",null,[a(s,{to:"/doc/expert/user-question-history14763.html"},{default:o(()=>[m]),_:1})]),t("p",null,[a(s,{to:"/doc/expert/user-question-history11440.html"},{default:o(()=>[x]),_:1})]),t("p",null,[a(s,{to:"/doc/expert/user-question-history11442.html"},{default:o(()=>[b]),_:1})]),a(r,{color:"#949494"},{default:o(()=>[g]),_:1}),t("h2",v,[y,w,a(r,{color:"#FF0000"},{default:o(()=>[k]),_:1})]),t("p",null,[V,a(r,{color:"#FF0000"},{default:o(()=>[A]),_:1}),S,a(r,{color:"#FF0000"},{default:o(()=>[q]),_:1}),E,t("a",F,[J,a(n)]),O]),C,t("p",null,[N,t("a",B,[I,a(n)]),L])])}const R=c(_,[["render",M],["__file","user-question-history15726.html.vue"]]);export{R as default};
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