在IDEA的tomcat中启动web项目报错：org.apache.tomcat.util.modeler.BaseModelMBean.invoke 调用方法[manageApp]时发生异常

短命女 2021-05-16 20:37 3002阅读 0赞

部分错误信息：

[2021-01-25 06:03:15,297] Artifact maven_web_test02:war exploded: Artifact is being deployed, please wait...
    25-Jan-2021 18:03:15.691 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke 调用方法[manageApp]时发生异常
    	java.lang.IllegalStateException: 启动子级时出错
    		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
    		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
    		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
    		at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1727)
    		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.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:288)
    		at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    		at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    		at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:456)
    		at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:405)
    		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.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:288)
    		at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    		at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    		at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)
    		at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
    		at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
    		at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
    		at java.security.AccessController.doPrivileged(Native Method)
    		at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408)
    		at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
    		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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
    		at sun.rmi.transport.Transport$1.run(Transport.java:200)
    		at sun.rmi.transport.Transport$1.run(Transport.java:197)
    		at java.security.AccessController.doPrivileged(Native Method)
    		at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    		at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573)
    		at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834)
    		at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688)
    		at java.security.AccessController.doPrivileged(Native Method)
    		at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687)
    		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: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/maven]]
    		at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
    		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
    		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
    		... 43 more
    	Caused by: java.lang.IllegalArgumentException: servlet映射中的<url pattern>[app]无效
    		at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3176)
    		at org.apache.catalina.Context.addServletMappingDecoded(Context.java:881)
    		at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1603)
    		at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1377)
    		at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:983)
    		at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302)
    		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
    		at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5044)
    		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    		... 44 more

注意最下面的 Caused by 也就是它给出的原因：

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出错原因：web.xml文件中配置的servlet映射地址无效

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70 1]  
**servlet的映射地址必须以 “/” 开头**，正确格式为：

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70 2]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70]: /images/20210516/d8ed886ff91642be958ed557fe0b284c.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70 1]: /images/20210516/d4273e2590ed4ac8af62b76b8c678993.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ1Njc1NDQ5_size_16_color_FFFFFF_t_70 2]: /images/20210516/fe3508096e9549f1ab817ad40c20663b.png