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Server Tomcat v8.5 Server at localhost failed to start.（子容器啟動失敗）

提示子容器啟動失敗等等 

嚴重: 子容器啟動失敗
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	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:931)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402)
	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: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
	... 6 more
Caused by: java.lang.IllegalArgumentException: servlet映射中的<url pattern>[customerlinkman.do]無效
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3180)
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3167)
	at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1386)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1163)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:776)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5061)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	... 6 more

六月 16, 2020 12:23:02 上午 org.apache.catalina.core.ContainerBase startInternal
嚴重: 子容器啟動失敗
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 子容器啟動失敗
	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:931)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:258)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:766)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
Caused by: org.apache.catalina.LifecycleException: 子容器啟動失敗
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402)
	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: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	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:931)
	... 8 more
Caused by: org.apache.catalina.LifecycleException: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
	... 6 more
Caused by: java.lang.IllegalArgumentException: servlet映射中的<url pattern>[customerlinkman.do]無效
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3180)
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3167)
	at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1386)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1163)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:776)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5061)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	... 6 more

六月 16, 2020 12:23:02 上午 org.apache.catalina.startup.Catalina start
嚴重: 所必需的服務元件啟動失敗，是以無法啟動Tomcat
org.apache.catalina.LifecycleException: 子容器啟動失敗
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
	at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:258)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:766)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 子容器啟動失敗
	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:931)
	... 13 more
Caused by: org.apache.catalina.LifecycleException: 子容器啟動失敗
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:942)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1412)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1402)
	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: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	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:931)
	... 8 more
Caused by: org.apache.catalina.LifecycleException: 無法啟動元件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/crm]]
	at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
	... 6 more
Caused by: java.lang.IllegalArgumentException: servlet映射中的<url pattern>[customerlinkman.do]無效
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3180)
	at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3167)
	at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1386)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1163)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:776)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5061)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
	... 6 more

注意 分析Gaused by中資訊。

Caused by: java.lang.IllegalArgumentException: servlet映射中的<url pattern>[customerlinkman.do]無效

細查之下發現是urlPatterns=“”其中的值不符合規範（完整映射/test.do；路徑映射/；類型映射.do）三種映射。

此外通常還出錯在 Servlet既在web.xml中配置過，又在HttpServlet子類中用注解的方式配置過。兩個配置沖突，子容器無法啟動。

jsp頁面 java web.xml tomcat
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