title: java.lang.Exception: WEB0113
body: <p>How to clear history of glass fish server 3.1.1 as i am getting this exception : </p>
  
  <pre><code>SEVERE: Exception while invoking class com.sun.enterprise.web.WebApplication start method
  java.lang.Exception: java.lang.Exception: WEB0113: Virtual server [server] already has a web module [EnterpriseApplication2-war] loaded at [/EnterpriseApplication2-war]; therefore web module [EnterpriseApplication2#EnterpriseApplication2-war.war] cannot be loaded at this context path on this virtual server. 
      at com.sun.enterprise.web.WebApplication.start(WebApplication.java:138)
      at org.glassfish.internal.data.EngineRef.start(EngineRef.java:130)
      at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:269)
      at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:294)
      at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:462)
      at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
      at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:382)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:355)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:370)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1064)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:96)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1244)
      at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1232)
      at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:459)
      at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:209)
      at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:168)
      at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
      at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:238)
      at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
      at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
      at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
      at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
      at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
      at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
      at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
      at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
      at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
      at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
      at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
      at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
      at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
      at java.lang.Thread.run(Thread.java:722)
  </code></pre>
  
  <p>My project is Java EE enterprise application (4 tier architecture) including MY SQL,EJB,JAXWS and JSF.</p>