Caused by: java.lang.UnsupportedClassVersionError: com/msm/impl/local/Org_BctlTreeForCombotreeServle

2016-11-13 13:28:36 org.apache.catalina.core.ContainerBase addChildInternal

严重: ContainerBase.addChild: start:

org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/项目名称]]

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)

at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1092)

at org.apache.catalina.startup.HostConfigDeployWar.run(HostConfig.java:1984)atjava.util.concurrent.ExecutorsRunnableAdapter.call(Executors.java:439)

at java.util.concurrent.FutureTaskSync.innerRun(FutureTask.java:303)atjava.util.concurrent.FutureTask.run(FutureTask.java:138)atjava.util.concurrent.ThreadPoolExecutorWorker.runTask(ThreadPoolExecutor.java:895)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)

at java.lang.Thread.run(Thread.java:662)

Caused by: java.lang.UnsupportedClassVersionError: [b]*[/b] : Unsupported major.minor version 51.0 (unable to load class **)

at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3179)

at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1372)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1860)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1734)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:171)

at org.apache.myfaces.ee6.MyFacesContainerInitializer.isDelegatedFacesServlet(MyFacesContainerInitializer.java:203)

at org.apache.myfaces.ee6.MyFacesContainerInitializer.onStartup(MyFacesContainerInitializer.java:117)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5604)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)

… 11 more

这种问题是因为当前运行的jdk版本与eclipse项目使用的jdk版本不一致导致的，例如我们eclipse中使用jdk1.7进行开发，编译器也使用1.7,而打好的war包确在jdk为1.6的环境中运行，这是就会报“Unsupported major.minor version 51.0 ”错误，51对应jdk版本为1.7。