Tomcat启动报异常java.lang.ClassNotFoundException

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1.Tomcat启动报异常:java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener的处理

警告: Name = mysqlDataSource Property maxActive is not used in DBCP2, use maxTotal instead. maxTotal default value is 8. You have set value of "100" for "maxActive" property, which is being ignored.六月 21, 2017 1:31:45 下午 org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance警告: Name = mysqlDataSource Property maxWait is not used in DBCP2 , use maxWaitMillis instead. maxWaitMillis default value is -1. You have set value of "10000" for "maxWait" property, which is being ignored.六月 21, 2017 1:31:45 下午 org.apache.catalina.core.StandardContext listenerStart严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListenerjava.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListenerat org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1332)at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1166)at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:518)at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:499)at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:118)at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4764)at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5303)at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1407)at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1397)at java.util.concurrent.FutureTask.run(FutureTask.java:262)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:745)

是没有导入maven依赖jar包。

2.解决方法：项目--》右键--》properties--》Deployment Assembly--》Add--》...

点击完成重新启动Tomcat即可

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