[toc]

一冯遂、java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoader [IDEA]

1.1 解決方法：

• 打開 project structure-> Artifacts

• 選擇Output Layout 中的項(xiàng)目羽嫡，右鍵 put into Output Root

  image-20201113095854733

• 最后重新啟動(dòng)tomcat

1.2 異常信息

org.springframework.web.context.ContextLoaderListener java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
 at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1285)
 at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
 at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:520)
 at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:501)
 at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:118)
 at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4649)
 at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189)
 at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724)
 at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700)
 at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
 at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1702)
 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:300)
 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:482)
 at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:431)
 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:300)
 at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
 at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
 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 javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
 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:324)
 at sun.rmi.transport.Transport$1.run(Transport.java:200)
 at sun.rmi.transport.Transport$1.run(Transport.java:197)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
 at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
 at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
 at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
 at java.security.AccessController.doPrivileged(Native Method)
 at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
 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)