Error configuring application listener of class org.springframework.web.context.ContextLoaderListene

绝地灬酷狼 2022-10-01 02:55 105阅读 0赞

今天敲完ssm框架，启动tomcat时报了这个错误。如图：  
SEVERE: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener  
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener  
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)  
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)  
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)  
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)  
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)  
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4823)  
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5381)  
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)  
at org.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1559)atorg.apache.catalina.core.ContainerBaseStartChild.call(ContainerBase.java:1549)  
at java.util.concurrent.FutureTaskSync.innerRun(FutureTask.java:334)atjava.util.concurrent.FutureTask.run(FutureTask.java:166)atjava.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)atjava.util.concurrent.ThreadPoolExecutorWorker.run(ThreadPoolExecutor.java:615)  
at java.lang.Thread.run(Thread.java:722)

Mar 25, 2017 9:30:56 PM org.apache.catalina.core.StandardContext listenerStart
    SEVERE: Error configuring application listener of class org.springframework.web.util.IntrospectorCleanupListener
    java.lang.ClassNotFoundException: org.springframework.web.util.IntrospectorCleanupListener
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
        at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)
        at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)
        at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4823)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5381)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:722)
    
    Mar 25, 2017 9:30:56 PM org.apache.catalina.core.StandardContext listenerStart
    SEVERE: Skipped installing application listeners due to previous error(s)
    Mar 25, 2017 9:30:56 PM org.apache.catalina.core.StandardContext startInternal
    SEVERE: Error listenerStart
    Mar 25, 2017 9:30:56 PM org.apache.catalina.core.StandardContext startInternal
    SEVERE: Context [/ssm] startup failed due to previous errors
    Mar 25, 2017 9:30:56 PM org.apache.coyote.AbstractProtocol start
    INFO: Starting ProtocolHandler ["http-bio-8080"]
    Mar 25, 2017 9:30:56 PM org.apache.coyote.AbstractProtocol start
    INFO: Starting ProtocolHandler ["ajp-bio-8009"]
    Mar 25, 2017 9:30:56 PM org.apache.catalina.startup.Catalina start
    INFO: Server startup in 1677 ms

这个错误看上去是找不到jar包引起的，但是检查完jar包的引用之后，发现spring-web的jar包是已经引用了的，如果是这种情况的话，解决方法就是将所引用的所有jar包拷贝一份到发布路径的WEB-INF/lib文件夹下。

## 注意 ##

需要注意的是，eclipse配置完tomcat之后，如果我们不做修改的话，tomcat默认是发布到.metadata\\plugins\\目录下的wtpwebapps。这个目录在我们的项目目录下。如果想要更改到tomcat的发布目录下的话，我们可以重新添加一个server，选择tomcat，但是不要add任何项目，然后双击tomcat，在这个界面上进行修改：  
![这里写图片描述][SouthEast]

修改后如图  
![这里写图片描述][SouthEast 1]

## 总结 ##

jar包找不到有可能是因为发布的时候tomcat没有自动将jar包拷贝过去，此时就需要我们手动拷贝一下。

## PS：新方法 ##

最近发现了解决这个问题的新方法，在项目上右击-》properties->Deployment Assembly，接下来如图：  
![这里写图片描述][SouthEast 2]  
然后下一步下一步直到finish，这样，就可以将maven下的jar包发布到发布文件夹下了。

[SouthEast]: /images/20220705/827a2fb5d0b24032812efa2a2db775fa.png
[SouthEast 1]: /images/20220705/c3b5bc3c6c3145619f508109e1746f0c.png
[SouthEast 2]: /images/20220705/a0e5f8f5eec44517966909bdf4d41fc8.png

Error configuring application listener of class org.springframework.web.context.ContextLoaderListene

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