{"id":100,"date":"2025-02-05T19:21:38","date_gmt":"2025-02-05T11:21:38","guid":{"rendered":"https:\/\/www.handytoo.com\/?p=100"},"modified":"2025-02-05T19:21:38","modified_gmt":"2025-02-05T11:21:38","slug":"%e9%98%bf%e9%87%8c%e5%bc%80%e6%ba%90%e5%b7%a5%e5%85%b7arthas%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/www.handytoo.com\/?p=100","title":{"rendered":"\u963f\u91cc\u5f00\u6e90\u5de5\u5177Arthas\u5b9e\u8df5"},"content":{"rendered":"\n

\u4ec0\u4e48\u662fArthas<\/h2>\n\n\n\n

Arthas \u662fAlibaba\u5f00\u6e90\u7684Java\u8bca\u65ad\u5de5\u5177\uff0c\u76f8\u6bd4 JDK \u5185\u7f6e\u7684\u8bca\u65ad\u5de5\u5177\uff0c\u529f\u80fd\u5f3a\u5927\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u95ee\u9898\u7684\u4e00\u952e\u5b9a\u4f4d\uff0c\u53ef\u4ee5\u4e00\u952e\u53cd\u7f16\u8bd1\u7c7b\u67e5\u770b\u6e90\u7801\uff0c\u751a\u81f3\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u751f\u4ea7\u4ee3\u7801\u70ed\u4fee\u590d\u3002<\/p>\n\n\n\n

\u5b89\u88c5<\/h2>\n\n\n\n

\u76f4\u63a5\u5f53\u5de5\u5177\u65b9\u5f0f\u5b89\u88c5<\/h3>\n\n\n\n

\u7b2c\u4e00\u6b65\uff1a\u4ece\u5b98\u7f51\u76f4\u63a5\u4e0b\u8f7d arthas-boot.jar
\u7b2c\u4e8c\u6b65\uff1a\u901a\u8fc7java -jar arthas-boot.jar \u76f4\u63a5\u8fd0\u884c<\/p>\n\n\n\n

\u901a\u8fc7pom.xml\u76f4\u63a5\u96c6\u6210\u5230\u9879\u76ee<\/h3>\n\n\n\n

\u7b2c\u4e00\u6b65\uff1a\u914d\u7f6epom.xml\u6587\u4ef6<\/p>\n\n\n\n

<dependency>\n       <groupId>com.taobao.arthas<\/groupId>\n       <artifactId>arthas-spring-boot-starter<\/artifactId>\n       <version>3.5.0<\/version>\n<\/dependency>\n<\/pre>\n\n\n\n
\u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6e\u9879\u76ee\u914d\u7f6e\u6587\u4ef6\uff08xxx.yml\u6216\u8005xxx.properties\uff09
yml:<\/p>\n\n\n\n
arthas:\n   ip : 0.0.0.0\n   httpPort : 8564\n   telnetPort : 3659\n<\/pre>\n\n\n\n
properties:<\/p>\n\n\n\n
arthas.ip=0.0.0.0\narthas.httpPort=8564\narthas.telnetPort=3659\n<\/pre>\n\n\n\n
\u5e38\u7528\u547d\u4ee4<\/h2>\n\n\n\n
\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/arthas.aliyun.com\/doc\/commands.html<\/a><\/p>\n\n\n\n
\u547d\u4ee41<\/h3>\n\n\n\n
\u89e3\u51b3\u95ee\u9898<\/h2>\n\n\n\n
\u70ed\u66f4<\/h3>\n\n\n\n
\u539f\u7406\uff1a\u901a\u8fc7redefine\u8fd9\u4e2a\u4e3b\u8981\u52a0\u8f7d\u5916\u90e8\u7684 .class \u6587\u4ef6\u7684\u547d\u4ee4\uff0c\u6765\u5b9e\u73b0\u66ff\u6362 JVM \u5df2\u7ecf\u52a0\u8f7d\u7684\u7c7b\uff0c\u4ece\u800c\u5b9e\u73b0 Java \u7684\u70ed\u66f4\u65b0<\/p>\n\n\n\n
\u4e0d\u80fd\u66f4\u65b0\u7684\u60c5\u51b5\uff1a<\/p>\n\n\n\n
    \n
  1. \u589e\u52a0\u4e86 field<\/li>\n\n\n\n
  2. \u589e\u52a0\u4e86 method<\/li>\n\n\n\n
  3. \u66ff\u6362\u6b63\u5728\u8fd0\u884c\u7684\u65b9\u6cd5<\/li>\n<\/ol>\n\n\n\n
    \u95ee\u9898\u63cf\u8ff0\uff1a\u5f53\u8fd0\u884c\u8fc7\u7a0b\u4e2dUserTimerTask \u7c7b\u53d1\u73b0\u4e86\u95ee\u9898\uff0c\u9700\u8981\u4e0d\u505c\u673a\u4fee\u6539<\/p>\n\n\n\n
    \u5904\u7406\u6d41\u7a0b\uff1a<\/p>\n\n\n\n
    \u542f\u52a8arthas<\/p>\n\n\n\n
    java -jar arthas-boot.jar\n<\/pre>\n\n\n\n
    \u767b\u5f55arthas\uff0c\u4f7f\u7528jad\u547d\u4ee4\u8fdb\u884c\u53cd\u7f16\u8bd1\uff0c\u5e76\u628a\u53cd\u7f16\u8bd1java\u7c7b\u5b58\u5230\u6307\u5b9a\u7684\u76ee\u5f55\u4e0b<\/p>\n\n\n\n
    jad --source-only com.gameserver.server.UserTimerTask > \/home\/UserTimerTask.java\n<\/pre>\n\n\n\n
    \u4fee\u6539\u6e90\u7801<\/p>\n\n\n\n
    \u627e\u5230\u7c7b\u5728pid\u5bf9\u5e94\u7684\u7ebf\u7a0b\u7684\u5185\u5b58\u4e2d\u7684\u54c8\u5e0c\u503c \uff0836328d33 \uff09<\/p>\n\n\n\n
    sc -d *UserTimerTask | grep classLoaderHash\n<\/pre>\n\n\n\n
    \u5c06\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5185\u5b58\u7f16\u8bd1\u751f\u6210class\u6587\u4ef6\uff0c\u4fdd\u5b58\u5230\u6307\u5b9a\u76ee\u5f55<\/p>\n\n\n\n
    mc -c 36328d33 \/home\/UserTimerTask.java -d \/home\/\n<\/pre>\n\n\n\n
    \u52a0\u8f7d\u4fee\u6539\u540e\u7684class\u6587\u4ef6<\/p>\n\n\n\n
    redefine \/home\/com\/gameserver\/server\/UserTimerTask.class<\/pre>\n","protected":false},"excerpt":{"rendered":"
    \u4ec0\u4e48\u662fArthas Arthas \u662fAlibaba\u5f00\u6e90\u7684Java\u8bca\u65ad\u5de5\u5177\uff0c\u76f8\u6bd4 JDK \u5185\u7f6e\u7684\u8bca\u65ad\u5de5\u5177\uff0c\u529f\u80fd\u5f3a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[14],"class_list":["post-100","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":1,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":101,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions\/101"}],"wp:attachment":[{"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.handytoo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}