java.util.concurrent.ExecutionException

org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].Sta ndardContext[/SimpleServletProject]]

Samebug tips0

We couldn't find tips for this exception.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web123

  • via Unknown by Jdinesh Tiwari,
  • Stack trace

    • java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].Sta ndardContext[/SimpleServletProject]] at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) at java.util.concurrent.FutureTask.get(FutureTask.java:83) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1128) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:782) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1566) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1556) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619) Caused by: org.apache.catalina.LifecycleException: Failed to start component [St andardEngine[Catalina].StandardHost[localhost].StandardContext[/SimpleServletPro ject]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) ... 7 more Caused by: java.lang.UnsupportedClassVersionError: org/dinesh/javaexpert/SimpleS ervelet : Unsupported major.minor version 51.0 (unable to load class org.dinesh. javaexpert.SimpleServelet) 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) ... 7 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitor2 times, last one
    Unknown visitor
    Unknown visitor2 times, last one
    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitorOnce,
    6 more bugmates