Unsupported major.minor version 51.0 (unable to load class com.xxxx.listener.xxxxListener)异常解决

来源：互联网发布：杭州融亿网络科技股份编辑：程序博客网时间：2024/06/05 06:33

java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.UnsupportedClassVersionError: com/xxxx/listener/xxxxxxListener : Unsupported major.minor version 51.0 (unable to load class com.xxxx.listener.xxxxListener)
   at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2822)
   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 org.apache.catalina.startup.WebAnnotationSet.loadClassAnnotation(WebAnnotationSet.java:145)
   at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:73)
   at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:56)
   at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:297)
   at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1078)
   at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
   at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
   at org.apache.catalina.core.StandardContext.start(StandardContext.java:4612)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
   at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
   at org.apache.catalina.core.StandardService.start(StandardService.java:525)
   at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
   ... 6 more

在启动tomcat 6时报以上这个错误！网上下了说是说jdk版本与tomcat冲突

现在自己解决方法贴在下面。

1右击工程-属性进入如下界面：

2.先把java compiler

3.修改compiler compliance level 为1.6或以下

4.点击确认

0 0