idea调试SpringMvc, 出现：java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoader

Dear 丶 2022-10-02 05:47 29阅读 0赞

有时，使用idea开发SpringMvc发现调试时出现以下错误：

12-Mar-2017 12:08:02.345 严重 \[RMI TCP Connection(2)-127.0.0.1\] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class 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)

12-Mar-2017 12:08:02.345 严重 \[RMI TCP Connection(2)-127.0.0.1\] org.apache.catalina.core.StandardContext.listenerStart Skipped installing application listeners due to previous error(s)

根据stackoverflow的解答是这样的：

地址：[http://stackoverflow.com/questions/6210757/java-lang-classnotfoundexception-org-springframework-web-context-contextloaderl][http_stackoverflow.com_questions_6210757_java-lang-classnotfoundexception-org-springframework-web-context-contextloaderl]

![1083199-20170312121505576-243595736.jpg][]

实际在Idea中这样配置：

File > Project Structure > Artifacts > 在右侧Output Layout右击项目名，选择Put into Output Root,见下面截图：

![1083199-20170312122553373-45181132.png][]

执行后，在WEB-INF在增加了lib目录，里面是项目引用的jar包，点击OK。

![1083199-20170312122637654-214347815.jpg][]

重新启动Tomcat,这次成功发布。

[http_stackoverflow.com_questions_6210757_java-lang-classnotfoundexception-org-springframework-web-context-contextloaderl]: http://stackoverflow.com/questions/6210757/java-lang-classnotfoundexception-org-springframework-web-context-contextloaderl
[1083199-20170312121505576-243595736.jpg]: /images/20220113/6126bbf5bd8a48af8a249673bb96e30d.png
[1083199-20170312122553373-45181132.png]: /images/20220113/44846f919710421a96cd39b0a4c84aab.png
[1083199-20170312122637654-214347815.jpg]: /images/20220113/d8cf84e82cc34834a9ab5723c0c06bd9.png