Eclipse报错:java.lang.ClassNotFoundException: ContextLoaderListener

本文解决了一个常见的问题:在Eclipse中使用Tomcat部署Maven工程时,启动后出现“Error configuring application listener of class org.springframework.web.context.ContextLoaderListener”错误。通过调整项目配置,成功解决了ClassNotFoundException的问题。
Eclipse中tomcat部署工程启动后报错:
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)  

问题背景

工程为maven工程,ContextLoaderListener类位于spring-web-3.1.0.RELEASE.jar包中。检查了maven的pom.xml,依赖引入正常。在工程Maven Dependencies视图中也能看到spring-web-3.1.0.RELEASE.jar包被正常引入进来了。

 

错误原因:

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:

2.点击Next,选择Maven Dependencies

3.点击Finish,然后可以看到已经把Maven Dependencies添加到Web应用结构中了

 

操作完后,重新部署工程,不再报错了。然后我们再到.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\目录下,发现工程WEB-INF目录下自动生成了lib目录,并且所有的依赖jar包也都已经部署进来。问题因此解决。


原文:http://chenzhou123520.iteye.com/blog/1836987

10-10 23:00:41.402 ERROR [Configuration.java:256] Could not compile the mapping document net.sf.hibernate.MappingException: persistent class [ActiveCustomerAll] not found at net.sf.hibernate.cfg.Binder.bindClass(Binder.java:84) at net.sf.hibernate.cfg.Binder.bindRootClass(Binder.java:221) at net.sf.hibernate.cfg.Binder.bindRoot(Binder.java:1256) at net.sf.hibernate.cfg.Configuration.add(Configuration.java:253) at net.sf.hibernate.cfg.Configuration.addInputStream(Configuration.java:289) at org.springframework.orm.hibernate.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:446) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1059) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:363) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:226) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:147) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:269) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:320) at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:134) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:246) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:184) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:49) at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:843) at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:533) at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:816) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:345) at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1406) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1368) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:778) at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:262) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:522) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:161) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131) at org.eclipse.jetty.server.Server.start(Server.java:427) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:105) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:394) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.runner.Runner.run(Runner.java:518) at org.eclipse.jetty.runner.Runner.main(Runner.java:559) Caused by: java.lang.ClassNotFoundException: ActiveCustomerAll at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at net.sf.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:102) at net.sf.hibernate.cfg.Binder.bindClass(Binder.java:81) ... 42 more什么错误
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