java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start com

最新推荐文章于 2020-12-29 15:57:01 发布

原创最新推荐文章于 2020-12-29 15:57:01 发布 · 182 阅读

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本文详细解析了在启动Tomcat时遇到的严重错误：A child container failed during start，揭示了问题根源在于web.xml中servlet映射路径配置的错误。通过调整路径映射规则，成功解决了启动失败的问题。

严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/UpLoadExcel]]
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:1122)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase $S t a r t C h i l d . c a l l (C o n t a i n e r B a s e . j a v a : 1574) a t o r g . a p a c h e . c a t a l i n a . c o r e . C o n t a i n e r B a s e$ StartChild.call(ContainerBase.java:1564)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/UpLoadExcel]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
… 6 more

最后发现竟是web.xml中servlet的映射路径配置错误导致的,以”/’开头和以”/”结尾的是用来做路径映射的； “/” 是用来定义default servlet映射的。以前缀”.”开头的是用来做扩展映射的。剩下的都是用来定义详细映射的