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Agent</h1><p>Usually Arthas dynamic attach the applications on the fly, but from version <code>3.2.0</code> onwards, Arthas supports starting directly as a java agent.</p><p>For example, download the full arthas zip package, decompress it and start it by specifying <code>arthas-agent.jar</code> with the parameter <code>-javaagent</code>.</p><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code>java -javaagent:/tmp/test/arthas-agent.jar -jar math-game.jar
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>The default configuration is in the <code>arthas.properties</code> file in the decompression directory. Reference: <a href="/en/doc/arthas-properties.html" class="">Arthas Properties</a></p><p>Reference: https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/package-summary.html</p></div><!--[--><!--]--></div><footer class="page-meta" 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/en/doc/agent.md" rel="noopener noreferrer" target="_blank" aria-label="Edit this page on GitHub"><!--[--><!--]--><span>Edit this page on 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 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</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">Contributors: </span><span class="meta-item-info"><!--[--><!--[--><span class="contributor" title="email: hengyunabc@gmail.com">hengyunabc</span><!----><!--]--><!--]--></span></div></footer><nav class="page-nav" data-v-fdd717e0><p class="inner"><span class="prev"><a href="/en/doc/arthas-properties.html" class="" aria-label="Arthas Properties"><!--[--><!--]--> Arthas Properties <!--[--><!--]--></a></span><span class="next"><a href="/en/doc/spring-boot-starter.html" class="" aria-label="Arthas Spring Boot Starter"><!--[--><!--]--> Arthas Spring Boot Starter <!--[--><!--]--></a></span></p></nav><!--[--><!--]--></main><!--]--></div><!----><!--]--></div>
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