Tomcat内存溢出，异常信息如下：
十一月 26, 2017 1:52:26 下午 org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor run
严重: Unexpected death of background thread ContainerBackgroundProcessor[StandardEngine[Catalina]]
java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.reflect.Proxy.newInstance(Proxy.java:764)
at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:755)
at sun.reflect.annotation.AnnotationParser.annotationForMap(AnnotationParser.java:300)
at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:290)
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:117)
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:70)
at java.lang.reflect.Method.declaredAnnotations(Method.java:714)
at java.lang.reflect.Method.getAnnotation(Method.java:700)
at org.springframework.core.annotation.AnnotationUtils.getAnnotation(AnnotationUtils.java:68)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.findAutowiredAnnotation(AutowiredAnnotationBeanPostProcessor.java:376)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.buildAutowiringMetadata(AutowiredAnnotationBeanPostProcessor.java:347)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.findAutowiringMetadata(AutowiredAnnotationBeanPostProcessor.java:318)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:283)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1120)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:379)
at com.opensymphony.xwork2.spring.SpringObjectFactory.autoWireBean(SpringObjectFactory.java:203)
at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:183)
at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:154)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:151)
at com.opensymphony.xwork2.ObjectFactory.buildInterceptor(ObjectFactory.java:192)
at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:70)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:1101)
Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.OutOfMemoryError: PermGen space
at sun.misc.Unsafe.defineClass(Native Method)
at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
at sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
at java.security.AccessController.doPrivileged(Native Method)
at sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395) at sun.reflect.MethodAccessorGenerator.generateConstructor(MethodAccessorGenerator.java:94)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:48)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.reflect.Proxy.newInstance(Proxy.java:764)
at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:755)
at sun.reflect.annotation.AnnotationParser.annotationForMap(AnnotationParser.java:300) at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:290)
at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:117)
at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:70)
at java.lang.reflect.Method.declaredAnnotations(Method.java:714)
at java.lang.reflect.Method.getAnnotation(Method.java:700)
at org.springframework.core.annotation.AnnotationUtils.getAnnotation(AnnotationUtils.java:68)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.findAutowiredAnnotation(AutowiredAnnotationBeanPostProcessor.java:376) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.buildAutowiringMetadata(AutowiredAnnotationBeanPostProcessor.java:347)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.findAutowiringMetadata(AutowiredAnnotationBeanPostProcessor.java:318)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:283)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1120) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:379)
at com.opensymphony.xwork2.spring.SpringObjectFactory.autoWireBean(SpringObjectFactory.java:203)
at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:183)
at com.opensymphony.xwork2.spring.SpringObjectFactory.buildBean(SpringObjectFactory.java:154)
at com.opensymphony.xwork2.ObjectFactory.buildBean(ObjectFactory.java:151) at com.opensymphony.xwork2.ObjectFactory.buildInterceptor(ObjectFactory.java:192)
at com.opensymphony.xwork2.config.providers.InterceptorBuilder.constructInterceptorReference(InterceptorBuilder.java:70)
at com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.lookupInterceptorReference(XmlConfigurationProvider.java:1101)
Exception in thread "default-workqueue-4" java.lang.OutOfMemoryError: PermGen space
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:248)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:235)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:432)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:637)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:584) at org.apache.cxf.ws.addressing.VersionTransformer$Names200408.getJAXBContext(VersionTransformer.java:540)
at org.apache.cxf.ws.addressing.VersionTransformer.getExposedJAXBContext(VersionTransformer.java:481)
at org.apache.cxf.ws.addressing.soap.MAPCodec.unmarshalMAPs(MAPCodec.java:489)
at org.apache.cxf.ws.addressing.soap.MAPCodec.decode(MAPCodec.java:675)
at org.apache.cxf.ws.addressing.soap.MAPCodec.mediate(MAPCodec.java:172)
at org.apache.cxf.ws.addressing.soap.MAPCodec.handleMessage(MAPCodec.java:121)
at org.apache.cxf.ws.addressing.soap.MAPCodec.handleMessage(MAPCodec.java:78)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.udp.UDPDestination$MCastListener$2.run(UDPDestination.java:106)
at org.apache.cxf.workqueue.AutomaticWorkQueueImpl$3.run(AutomaticWorkQueueImpl.java:428)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.cxf.workqueue.AutomaticWorkQueueImpl$AWQThreadFactory$1.run(AutomaticWorkQueueImpl.java:353)
at java.lang.Thread.run(Thread.java:745)
解决方案：
利用Notepad++打开该bat脚本文件：D:\MyDev\Tomcat\apache-tomcat-7.0.68\bin\catalina.bat
在该行：[echo Using CATALINA_BASE: "%CATALINA_BASE%"]上一行添加一下内容：
REM 解决java.lang.OutOfMemoryError: PermGen space
REM JAVA_OPTS="-server -XX:PermSize=64M -XX:MaxPermSize=128m" REM 解决java.lang.OutOfMemoryError: Java heap space
REM JAVA_OPTS="-server -Xms256M -Xmx512M -XX:MaxNewSize=512m -Djava.awt.headless=true" set JAVA_OPTS="%JAVA_OPTS% -server -XX:PermSize=64M -XX:MaxPermSize=128m -Xms256M -Xmx512M -XX:MaxNewSize=512m -Djava.awt.headless=true"
如截图所示（可点击图片并右键，于新标签页中打开查看）：
![MyEclipse中项目运行时发生了Tomcat报错：[java.lang.OutOfMemoryError: PermGen space]](https://image.shishitao.com:8440/aHR0cDovL2Jic21heC5pa2FmYW4uY29tL3N0YXRpYy9MM0J5YjNoNUwyaDBkSEJ6TDJsdFlXZGxjekl3TVRndVkyNWliRzluY3k1amIyMHZZbXh2Wnk4eE1EYzFNVGswTHpJd01UY3hNUzh4TURjMU1UazBMVEl3TVRjeE1USTJNVGN6TnpVNE5Ua3pMVEU1TkRZNE9EQTVOemN1Y0c1bi5qcGc%3D.jpg?w=700&webp=1 "MyEclipse中项目运行时发生了Tomcat报错：[java.lang.OutOfMemoryError: PermGen space]")
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