java web中的Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: PermGen space
2012-11-16 09:59
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最近老是在运行eclipse的时候,出现这样的问题:
下面是图片形式:
原因:
解决方法:
多数是采用第2中方法...修改了,就可以搞定啦....
Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559) at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:311) at com.opensymphony.xwork2.inject.ContainerImpl$5.create(ContainerImpl.java:307) at com.opensymphony.xwork2.inject.util.ReferenceCache$CallableCreate.call(ReferenceCache.java:150) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at com.opensymphony.xwork2.inject.util.ReferenceCache.internalCreate(ReferenceCache.java:76) at com.opensymphony.xwork2.inject.util.ReferenceCache.get(ReferenceCache.java:116) at com.opensymphony.xwork2.inject.ContainerImpl.getConstructor(ContainerImpl.java:603) at com.opensymphony.xwork2.inject.ContainerBuilder$5.create(ContainerBuilder.java:204) at com.opensymphony.xwork2.inject.Scope$2$1.create(Scope.java:51) at com.opensymphony.xwork2.inject.ContainerBuilder$3.create(ContainerBuilder.java:93) at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:487) at com.opensymphony.xwork2.inject.ContainerBuilder$7.call(ContainerBuilder.java:484) at com.opensymphony.xwork2.inject.ContainerImpl.callInContext(ContainerImpl.java:580) at com.opensymphony.xwork2.inject.ContainerBuilder.create(ContainerBuilder.java:484) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.createBootstrapContainer(DefaultConfiguration.java:288) at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:205) at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:66) at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:390) at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:437) at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:74) at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51) at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:277) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)
下面是图片形式:
原因:
/** * 原因如下: * PermGen space的全称是Permanent Generation space<br> * 是指内存的永久保存区域,这块内存主要是被JVM存放Class和Meta信息的<br> * Class在被Loader时就会被放到PermGen space中<br> * 它和存放类实例(Instance)的Heap区域不同,GC(Garbage Collection)<br> * 不会在主程序运行期对PermGen space进行清理,所以如果你的应用中有很多CLASS的话<br> * 就很可能出现PermGen space错误,这种错误常见在web服务器对JSP进行pre compile的时候<br> * 如果你的WEB APP下都用了大量的第三方jar, 其大小超过了jvm默认的大小(4M)那么就会产生此错误信息了<br> * 详细:http://greemranqq.iteye.com/blog/1705867 */
解决方法:
解决方法1: 手动设置MaxPermSize大小,如果是linux系统,修改TOMCAT_HOME/bin/catalina.sh,如果是windows系统,修改TOMCAT_HOME/bin/catalina.bat, 在“echo "Using CATALINA_BASE: $CATALINA_BASE"”上面加入以下行: JAVA_OPTS="-server -XX:PermSize=64M -XX:MaxPermSize=128m ///////////////////////////////////////////////////////////////////////// 解决方法2: 修改eclipse.ini文件,修改如下: -vmargs -Dosgi.requiredJavaVersion=1.5 -Xms128m -Xmx512m -XX:PermSize=64M -XX:MaxPermSize=128M 如果还报错,可以考虑如下修改 -vmargs -Dosgi.requiredJavaVersion=1.5 -Xms512m -Xmx1024m -XX:PermSize=256M -XX:MaxPermSize=512M
多数是采用第2中方法...修改了,就可以搞定啦....
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