LifecyCleException；启动组件失败

Question

在Tomcat8中部署/替换类文件后，我得到了以下错误。我还没能找到（或正确地实现）手头问题的解决方案。任何帮助都将不胜感激！

org.apache.catalina.core.StandardService.startInternal Starting
service Catalina
org.apache.catalina.core.StandardEngine.startInternal Starting
Servlet Engine: Apache Tomcat/8.0.50
SEVERE [Catalina-startStop-1]
org.apache.catalina.core.ContainerBase.startInternal A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start
component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.catalina.core.ContainerBase.startInternal (ContainerBase.java:943)
atorg.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
atorg.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component
[StandardEngine[Catalina].StandardHost[localhost].StandardContext[]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)

Answer 1

清理。m2文件夹中的存储库文件夹，然后再次清理并构建maven。