Unsupported major.minor version 51.0

来源：互联网发布：数据保护包括编辑：程序博客网时间：2024/06/06 11:38

严重: Error configuring application listener of class com.andaily.web.context.BeanContextLoaderListener
java.lang.UnsupportedClassVersionError: com/andaily/web/context/BeanContextLoaderListener : Unsupported major.minor version 51.0 (unable to load classcom.andaily.web.context.BeanContextLoaderListener)
   at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2961)
   at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1210)
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1690)
   at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
   at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:529)
   at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:511)
   at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
   at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4888)
   at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)
   at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
   at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1229)
   at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
   at java.util.concurrent.FutureTask.run(FutureTask.java:138)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

at java.lang.Thread.run(Thread.java:619)

解决方法：

不同的JDK版本使用的major.minor不同，所以会导致这个错误。在项目中要使用当前电脑配置的JDK版本，右击项目------Properties------Java Compiler------选择你使用的JDK版本------Apply------最后在改代码中不同JDK差异的部分代码。

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