maven 项目启动时，没法找到ContextLoaderListener

严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener

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:1720)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
    at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:506)
    at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:488)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:115)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4932)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5524)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1575)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1565)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

解决方案：

实际上是项目的jar文件没有同步发布到本身项目的lib目录中(若是你是用Maven进行构建的话)

能够试试下面的办法：

项目点击右键 ——>点击 Properties ，选择Deployment Assembly ——>再点击右边的Add按钮，选择Java Build Path Entries——>而后点击Next按钮——>而后选择你的Maven Dependencies——>肯定便可