Tomcat启动失败 提示Server Tomcat v7.0 Server at localhost failed to start.

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重大: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/FreshEducationInspection]]
	at java.util.concurrent.FutureTask.report(Unknown Source)
	at java.util.concurrent.FutureTask.get(Unknown Source)
	at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1119)
	at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/FreshEducationInspection]]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
	... 6 more
Caused by: java.lang.IllegalArgumentException: 在手印映射中无效 <url-pattern> TabService/* 
	at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3429)
	at org.apache.catalina.core.StandardContext.addServletMapping(StandardContext.java:3404)
	at org.apache.catalina.deploy.WebXml.configureContext(WebXml.java:1438)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1359)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:888)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:388)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5522)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
	... 6 more

仔细看错误报告已经知道了在Caused by: java.lang.IllegalArgumentException: 在手印映射中无效 <url-pattern> TabService/* 中说明了**TabService/***路径不对。

仔细检查代码发现少写了一个‘/’，如下：

解决方法

1.这个问题一般是由过滤器引起的。检查web.xml中的servlet映射里面的，看中配置的内容是否缺少“/” ,”/“表示当前web应用。

2.不同的servlet使用了相同的@WebServlet标注。在Servlet上设置@WebServlet标注，容器就会自动读取当中的信息。