我正在尝试将 Vaadin/JEE6 应用程序部署到 TomEE。
部署过程中抛出以下异常：
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/myapp]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:812)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:787)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:607)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:932)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:723)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1370)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:294)
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.ContainerBase.backgroundProcess(ContainerBase.java:1242)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1400)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1410)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1389)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.apache.openejb.tomcat.catalina.TomcatWebAppBuilder.loadWebModule(TomcatWebAppBuilder.java:892)
at org.apache.openejb.tomcat.catalina.TomcatWebAppBuilder.loadApplication(TomcatWebAppBuilder.java:879)
at org.apache.openejb.tomcat.catalina.TomcatWebAppBuilder.startInternal(TomcatWebAppBuilder.java:416)
at org.apache.openejb.tomcat.catalina.TomcatWebAppBuilder.configureStart(TomcatWebAppBuilder.java:377)
at org.apache.openejb.tomcat.catalina.GlobalListenerSupport.lifecycleEvent(GlobalListenerSupport.java:117)
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:5103)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:148)
... 15 more
我必须承认我不知道为什么会抛出这个异常。在深入研究 TomEE 代码之前，我想问一下这里是否有人偶然发现了这个异常，并且可以给我提示在哪里查找错误。