title: org.springframework.web.context.ContextLoaderListener(java.lang.ClassNotFoundException)
body: <ul>
  <li>i am using JBoss 7.1</li>
  <li>Eclipse
  and i have the following Jar files(commons-dbcp.jar,commons-logging.jar,commons-pool.jar,jstl.jar,log4j-1.2.15.jar,mysql-connector-java-5.1.6-bin.jar,spring.jar,spring-webmvc.jar,standard.jar)</li>
  </ul>
  
  <p>when i am trying to Debug my project i get the following error</p>
  
  <pre><code>22:12:07,196 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/OnlinemployeeDB]] (MSC service thread 1-2) Error configuring application listener of class org.springframework.web.context.ContextLoaderListener: java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener from [Module "deployment.OnlinemployeeDB.war:main" from Service Module Loader]
      at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
      at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
      at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
      at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
      at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
      at org.jboss.as.web.deployment.WebInjectionContainer.newInstance(WebInjectionContainer.java:72) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
      at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3342) [jbossweb-7.0.13.Final.jar:]
      at org.apache.catalina.core.StandardContext.start(StandardContext.java:3850) [jbossweb-7.0.13.Final.jar:]
      at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
      at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)
      at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_25]
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_25]
      at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_25]
  
  22:12:07,216 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/OnlinemployeeDB]] (MSC service thread 1-2) Skipped installing application listeners due to previous error(s)
  22:12:07,218 ERROR [org.apache.catalina.core.StandardContext] (MSC service thread 1-2) Error listenerStart
  22:12:07,219 ERROR [org.apache.catalina.core.StandardContext] (MSC service thread 1-2) Context [/OnlinemployeeDB] startup failed due to previous errors
  22:12:07,222 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC00001: Failed to start service jboss.web.deployment.default-host./OnlinemployeeDB: org.jboss.msc.service.StartException in service jboss.web.deployment.default-host./OnlinemployeeDB: JBAS018040: Failed to start context
      at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:95)
      at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
      at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_25]
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_25]
      at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_25]
  </code></pre>
  
  <p>thank you in advance.</p>