java.lang.OutOfMemoryError: PermGen space解决办法

以下错误的原因是JVM的内存溢出所造成的，所以只需要将默认的内存(64M)改为更大的一些就可以，虽然将服务器重新启动也可以，但是还是会经常出现溢出的情况，所以讲内存变大即可。

严重: Exception starting filter struts2

java.lang.OutOfMemoryError: PermGen space

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)

at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2854)

at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1159)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1647)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)

at com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:138)

at com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)

at com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:212)

at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:132)

at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:139)

at com.opensymphony.xwork2.ObjectFactory.buildInterceptor(ObjectFactory.java:180)

at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:59)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:987)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStack(XmlConfigurationProvider.java:806)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptorStacks(XmlConfigurationProvider.java:819)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadInterceptors(XmlConfigurationProvider.java:842)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:449)

at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)

at org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)

at com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)

at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)

at org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)

at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)

at org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher(InitOperations.java:69)

at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init(StrutsPrepareAndExecuteFilter.java:51)

at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295)

at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:424)

at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115)

at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726)

2014-8-20 19:16:42 org.apache.catalina.core.StandardContext start

在MyEclipse中将配置修改如下图：