\u5e38\u89c1\u7684\u5185\u5b58\u6ea2\u51fa\u6709\u4ee5\u4e0b\u4e24\u79cd:<\/p>\n\n\n\n
java.lang.OutOfMemoryError: PermGen space<\/strong><\/p>\n\n\n\n java.lang.OutOfMemoryError: Java heap space<\/strong><\/p>\n\n\n\n PermGen space\u7684\u5168\u79f0\u662fPermanent Generation space,\u662f\u6307\u5185\u5b58\u7684\u6c38\u4e45\u4fdd\u5b58\u533a\u57df, \u4e8c\u3001java.lang.OutOfMemoryError: Java heap space<\/strong> ———————-Linux\u4e0b\u4fee\u6539TomcatJVM\u5185\u5b58\u5927\u5c0f———————-<\/p>\n\n\n\n \u8981\u6dfb\u52a0\u5728tomcat \u7684bin \u4e0bcatalina.sh \u91cc\uff0c\u4f4d\u7f6ecygwin=false\u524d \u3002\u6ce8\u610f\u5f15\u53f7\u8981\u5e26\u4e0a,\u7ea2\u8272\u7684\u4e3a\u65b0\u6dfb\u52a0\u7684.<\/p>\n\n\n\n # OS specific support. $var _must_ be set to either true or false. ———————-windows\u4e0b\u4fee\u6539Tomcat JVM\u5185\u5b58\u5927\u5c0f———————-<\/p>\n\n\n\n \u60c5\u51b5\u4e00:\u89e3\u538b\u7248\u672c\u7684Tomcat<\/strong> , \u8981\u901a\u8fc7startup.bat\u542f\u52a8tomcat\u624d\u80fd\u52a0\u8f7d\u914d\u7f6e<\/p>\n\n\n\n \u8981\u6dfb\u52a0\u5728tomcat \u7684bin \u4e0bcatalina.bat \u91cc<\/p>\n\n\n\n rem Guess CATALINA_HOME if not defined set JAVA_OPTS=-Xms256m -Xmx512m -XX:PermSize=128M -XX:MaxNewSize=256m -XX:MaxPermSize=256m -Djava.awt.headless=true<\/p>\n\n\n\n \u60c5\u51b5\u4e8c:\u5b89\u88c5\u7248\u7684Tomcat<\/strong> ,\u6ca1\u6709catalina.bat<\/p>\n\n\n\n \u5b89\u88c5\u7248\u7684Tomcat\u4e0b\u6ca1\u6709catalina.bat \u5e38\u89c1\u7684\u5185\u5b58\u6ea2\u51fa\u6709\u4ee5\u4e0b\u4e24\u79cd: java.lang.OutOfMemoryError: PermGen space java.lang.OutOfMemoryError: Java heap space \u4e00\u3001java.lang.OutOfMemoryError: PermGen space PermGen space\u7684\u5168\u79f0\u662fPermanent Generation space,\u662f\u6307\u5185\u5b58\u7684\u6c38\u4e45\u4fdd\u5b58\u533a\u57df,\u8fd9\u5757\u5185\u5b58\u4e3b\u8981\u662f\u88abJVM\u5b58\u653eClass\u548cMeta\u4fe1\u606f\u7684,Class\u5728\u88abLoader\u65f6\u5c31\u4f1a\u88ab\u653e\u5230PermGen space\u4e2d,\u5b83\u548c\u5b58\u653e\u7c7b\u5b9e\u4f8b(Instance)\u7684Heap\u533a\u57df\u4e0d\u540c,GC(Garbage Collection)\u4e0d\u4f1a\u5728\u4e3b\u7a0b\u5e8f\u8fd0\u884c\u671f\u5bf9PermGen space\u8fdb\u884c\u6e05\u7406\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u7684\u5e94\u7528\u4e2d\u6709\u5f88\u591aCLASS\u7684\u8bdd,\u5c31\u5f88\u53ef\u80fd\u51fa\u73b0PermGen space\u9519\u8bef,\u8fd9\u79cd\u9519\u8bef\u5e38\u89c1\u5728web\u670d\u52a1\u5668\u5bf9JSP\u8fdb\u884cpre compile\u7684\u65f6\u5019\u3002\u5982\u679c\u4f60\u7684WEB […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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\u4e00\u3001java.lang.OutOfMemoryError: PermGen space<\/strong><\/p>\n\n\n\n
\u8fd9\u5757\u5185\u5b58\u4e3b\u8981\u662f\u88abJVM\u5b58\u653eClass\u548cMeta\u4fe1\u606f\u7684,Class\u5728\u88abLoader\u65f6\u5c31\u4f1a\u88ab\u653e\u5230PermGen space\u4e2d,
\u5b83\u548c\u5b58\u653e\u7c7b\u5b9e\u4f8b(Instance)\u7684Heap\u533a\u57df\u4e0d\u540c,GC(Garbage Collection)\u4e0d\u4f1a\u5728\u4e3b\u7a0b\u5e8f\u8fd0\u884c\u671f\u5bf9
PermGen space\u8fdb\u884c\u6e05\u7406\uff0c\u6240\u4ee5\u5982\u679c\u4f60\u7684\u5e94\u7528\u4e2d\u6709\u5f88\u591aCLASS\u7684\u8bdd,\u5c31\u5f88\u53ef\u80fd\u51fa\u73b0PermGen space\u9519\u8bef,
\u8fd9\u79cd\u9519\u8bef\u5e38\u89c1\u5728web\u670d\u52a1\u5668\u5bf9JSP\u8fdb\u884cpre compile\u7684\u65f6\u5019\u3002\u5982\u679c\u4f60\u7684WEB APP\u4e0b\u90fd\u7528\u4e86\u5927\u91cf\u7684\u7b2c\u4e09\u65b9jar, \u5176\u5927\u5c0f
\u8d85\u8fc7\u4e86jvm\u9ed8\u8ba4\u7684\u5927\u5c0f(4M)\u90a3\u4e48\u5c31\u4f1a\u4ea7\u751f\u6b64\u9519\u8bef\u4fe1\u606f\u4e86\u3002
\u89e3\u51b3\u65b9\u6cd5\uff1a \u624b\u52a8\u8bbe\u7f6eMaxPermSize\u5927\u5c0f
\u5efa\u8bae\uff1a\u5c06\u76f8\u540c\u7684\u7b2c\u4e09\u65b9jar\u6587\u4ef6\u79fb\u7f6e\u5230tomcat\/shared\/lib\u76ee\u5f55\u4e0b\uff0c\u8fd9\u6837\u53ef\u4ee5\u8fbe\u5230\u51cf\u5c11jar \u6587\u6863\u91cd\u590d\u5360\u7528\u5185\u5b58\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n
JVM\u5806\u7684\u8bbe\u7f6e\u662f\u6307java\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2dJVM\u53ef\u4ee5\u8c03\u914d\u4f7f\u7528\u7684\u5185\u5b58\u7a7a\u95f4\u7684\u8bbe\u7f6e.JVM\u5728\u542f\u52a8\u7684\u65f6\u5019\u4f1a\u81ea\u52a8\u8bbe\u7f6eHeap size\u7684\u503c\uff0c
\u5176\u521d\u59cb\u7a7a\u95f4(\u5373-Xms)\u662f\u7269\u7406\u5185\u5b58\u76841\/64<\/strong> \uff0c\u6700\u5927\u7a7a\u95f4(-Xmx)\u662f\u7269\u7406\u5185\u5b58\u76841\/4<\/strong> \u3002\u53ef\u4ee5\u5229\u7528JVM\u63d0\u4f9b\u7684-Xmn -Xms -Xmx\u7b49\u9009\u9879\u53ef
\u8fdb\u884c\u8bbe\u7f6e\u3002Heap size \u7684\u5927\u5c0f\u662fYoung Generation \u548cTenured Generaion \u4e4b\u548c\u3002
\u63d0\u793a\uff1a\u5728JVM\u4e2d\u5982\u679c98\uff05\u7684\u65f6\u95f4\u662f\u7528\u4e8eGC\u4e14\u53ef\u7528\u7684Heap size \u4e0d\u8db32\uff05\u7684\u65f6\u5019\u5c06\u629b\u51fa\u6b64\u5f02\u5e38\u4fe1\u606f\u3002
\u63d0\u793a\uff1aHeap Size \u6700\u5927\u4e0d\u8981\u8d85\u8fc7\u53ef\u7528\u7269\u7406\u5185\u5b58\u768480\uff05\uff0c\u4e00\u822c\u7684\u8981\u5c06-Xms\u548c-Xmx\u9009\u9879\u8bbe\u7f6e\u4e3a\u76f8\u540c\uff0c\u800c-Xmn\u4e3a1\/4\u7684-Xmx\u503c\u3002
\u89e3\u51b3\u65b9\u6cd5\uff1a\u624b\u52a8\u8bbe\u7f6eHeap size<\/p>\n\n\n\n
JAVA_OPTS=”-Xms256m -Xmx512m -Xss1024K -XX:PermSize=128m -XX:MaxPermSize=256m”
cygwin=false<\/p>\n\n\n\n
set CURRENT_DIR=%cd%\u540e\u9762\u6dfb\u52a0,\u7ea2\u8272\u7684\u4e3a\u65b0\u6dfb\u52a0\u7684.<\/p>\n\n\n\n
\u5982\u679ctomcat 6 \u6ce8\u518c\u6210\u4e86windows\u670d\u52a1\uff0c\u6216\u8005windows2003\u4e0b\u7528tomcat\u7684\u5b89\u88c5\u7248\uff0c
\u5728\/bin\/tomcat6w.exe\u91cc\u4fee\u6539\u5c31\u53ef\u4ee5\u4e86 \u3002
\u5982\u679ctomcat 5, windows\u670d\u52a1\u6267\u884c\u7684\u662fbin\\tomcat.exe.\u4ed6\u8bfb\u53d6\u6ce8\u518c\u8868\u4e2d\u7684\u503c,\u800c\u4e0d\u662fcatalina.bat\u7684\u8bbe\u7f6e.
\u4fee\u6539\u6ce8\u518c\u8868HKEY_LOCAL_MACHINE\\SOFTWARE\\Apache Software Foundation\\Tomcat Service Manager\\Tomcat5\\Parameters\\JavaOptions
\u539f\u503c\u4e3a
-Dcatalina.home=”C:\\ApacheGroup\\Tomcat 5.0″
-Djava.endorsed.dirs=”C:\\ApacheGroup\\Tomcat 5.0\\common\\endorsed”
-Xrs
\u52a0\u5165 -Xms300m -Xmx350m
\u91cd\u8d77tomcat\u670d\u52a1,\u8bbe\u7f6e\u751f\u6548
———————————————————
\u5404\u53c2\u6570\u7684\u6bd4\u4f8b:
Xmx \u4e0ePermSize\u7684\u548c\u4e0d\u53ef\u8d85\u8fc7JVM\u53ef\u83b7\u5f97\u7684\u603b\u5185\u5b58
PermSize\u4e0d\u53ef\u5927\u4e8eXmx
\u8bf7\u53c2\u89c1\u5176\u5b83\u7684\u53c2\u6570\u8be6\u89e3\u7684\u6587\u7ae0,\u5404\u53c2\u6570\u503c\u5927\u5c0f\u7684\u672c\u6587\u4e0d\u8ba8\u8bba.<\/p>\n","protected":false},"excerpt":{"rendered":"