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»</li> <li>sysprop</li> <li class="wy-breadcrumbs-aside"> <a href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/sysprop.md" class="fa fa-github"> Edit on GitHub</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div class="section" id="sysprop"> <span id="sysprop"></span><h1>sysprop<a class="headerlink" href="#sysprop" title="永久链接至标题">¶</a></h1> <blockquote> <div>查看当前JVM的系统属性(<tt class="docutils literal">System Property</tt>)</div></blockquote> <div class="section" id=""> <span id="id1"></span><h2>使用参考<a class="headerlink" href="#" title="永久链接至标题">¶</a></h2> <div class="highlight-default notranslate"><pre class="literal-block"> USAGE: sysprop [-h] [property-name] [property-value] SUMMARY: Display, and change all the system properties. EXAMPLES: sysprop sysprop file.encoding sysprop production.mode true WIKI: https://alibaba.github.io/arthas/sysprop OPTIONS: -h, --help this help <property-name> property name <property-value> property value</pre> </div> <div class="section" id=""> <span id="id2"></span><h3>查看所有属性<a class="headerlink" href="#" title="永久链接至标题">¶</a></h3> <div class="highlight-default notranslate"><pre class="literal-block">$ sysprop KEY VALUE ------------------------------------------------------------------------------------------------------------------------------------- java.runtime.name Java(TM) SE Runtime Environment sun.boot.library.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib java.vm.version 25.51-b03 user.country.format CN gopherProxySet false java.vm.vendor Oracle Corporation java.vendor.url http://java.oracle.com/ path.separator : java.vm.name Java HotSpot(TM) 64-Bit Server VM file.encoding.pkg sun.io user.country US sun.java.launcher SUN_STANDARD sun.os.patch.level unknown java.vm.specification.name Java Virtual Machine Specification user.dir /private/var/tmp java.runtime.version 1.8.0_51-b16 java.awt.graphicsenv sun.awt.CGraphicsEnvironment java.endorsed.dirs /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/endors ed os.arch x86_64 java.io.tmpdir /var/folders/2c/tbxwzs4s4sbcvh7frbcc7n000000gn/T/ line.separator java.vm.specification.vendor Oracle Corporation os.name Mac OS X sun.jnu.encoding UTF-8 java.library.path /Users/wangtao/Library/Java/Extensions:/Library/Java/Extensions:/Network/Libra ry/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:. sun.nio.ch.bugLevel java.specification.name Java Platform API Specification java.class.version 52.0 sun.management.compiler HotSpot 64-Bit Tiered Compilers os.version 10.12.6 user.home /Users/wangtao user.timezone Asia/Shanghai java.awt.printerjob sun.lwawt.macosx.CPrinterJob file.encoding UTF-8 java.specification.version 1.8 user.name wangtao java.class.path . java.vm.specification.version 1.8 sun.arch.data.model 64 java.home /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre sun.java.command Test java.specification.vendor Oracle Corporation user.language en awt.toolkit sun.lwawt.macosx.LWCToolkit java.vm.info mixed mode java.version 1.8.0_51 java.ext.dirs /Users/wangtao/Library/Java/Extensions:/Library/Java/JavaVirtualMachines/jdk1. 8.0_51.jdk/Contents/Home/jre/lib/ext:/Library/Java/Extensions:/Network/Library /Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java sun.boot.class.path /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/lib/resour ces.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/li b/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/jre/l ib/sunrsasign.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/H ome/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Content s/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Conte nts/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jd k/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_51. jdk/Contents/Home/jre/classes java.vendor Oracle Corporation file.separator / java.vendor.url.bug http://bugreport.sun.com/bugreport/ sun.cpu.endian little sun.io.unicode.encoding UnicodeBig sun.cpu.isalist</pre> </div> </div> <div class="section" id=""> <span id="id3"></span><h3>查看单个属性<a class="headerlink" href="#" title="永久链接至标题">¶</a></h3> <blockquote> <div>支持通过<tt class="docutils literal">TAB</tt>键自动补全</div></blockquote> <div class="highlight-default notranslate"><pre class="literal-block">$ sysprop java.version java.version=1.8.0_51</pre> </div> </div> <div class="section" id=""> <span id="id4"></span><h3>修改单个属性<a class="headerlink" href="#" title="永久链接至标题">¶</a></h3> <div class="highlight-default notranslate"><pre class="literal-block">$ sysprop user.country user.country=US $ sysprop user.country CN Successfully changed the system property. user.country=CN</pre> </div> </div> </div> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="sysenv.html" class="btn btn-neutral float-right" title="sysenv" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> <a href="jvm.html" class="btn btn-neutral" title="jvm" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> </div> <hr/> <div role="contentinfo"> <p> © Copyright 2018, Alibaba Middleware Group, and contributors. </p> </div> Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT:'./', VERSION:'3.1.0', 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