org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CollegeWebsite]]
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | org.apache.catalina.core.ContainerBase addChildInternal SEVERE: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/CollegeWebsite]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:962) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1603) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:469) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:332) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:597) at java.lang.Thread.run(Thread.java:637) Caused by: java.lang.UnsupportedClassVersionError: com/Servlets/AddCourse : Unsupported major.minor version 51.0 (unable to load class com.Servlets.AddCourse) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2893) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1170) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1678) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1556) at org.apache.catalina.startup.WebAnnotationSet.loadClass(WebAnnotationSet.java:480) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:130) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:66) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:381) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:858) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:345) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5161) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 11 more |
我如何克服这个错误?我的项目很容易部署在Eclipse上,但是当我直接通过Tomcat服务器部署它时,它就不能部署。
您有版本冲突,请验证tomcat版本的编译版本和jvm是否相同。你可以通过检查tomcat startup.bat,寻找java_home来完成。
发生此错误的原因是您的JRE版本Eclipse和Tomcat不匹配。请将Eclipse One更改为Tomcat One或Viceversa。
两者应相同..