eclipse

[Eclipse报错：java.lang.ClassNotFoundException: ContextLoaderListener]

• 出现下面错误:
  <pre>
  严重: 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:1678)
  at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1523)
  at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:415)
  at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:397)
  at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:118)
  at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4660)
  at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226)
  at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
  at java.util.concurrent.FutureTask.run(FutureTask.java:138)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
  at java.lang.Thread.run(Thread.java:662)

• 原因

  • 进入到tomcat的部署路径.metadata.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\下检查了一下，发现工程部署后在WEB-INF文件夹下没有生成lib目录，正常情况下，会生成lib目录并把工程的所有依赖jar包都部署到该目录下。

• 解决方案
  1.右键点击项目--选择Properties
  选择Deployment Assembly,在右边点击Add按钮，在弹出的窗口中选择Java Build Path Entries。如下图所示：

  
  Paste_Image.png

  2.点击Next，选择Maven Dependencies

![Uploading Paste_Image_243863.png . . .]