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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=25759 NoClassDefFoundError on weblogic 8.1 during redeploy Summary: NoClassDefFoundError on weblogic 8.1 during redeploy Product: Struts Version: 0.5 Final Platform: PC OS/Version: Windows XP Status: NEW Severity: Normal Priority: Other Component: Unknown AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] When I re-deploy to a running instance of Weblogic 8.1 and the container notices the new files and auto-redeploys them, I get the following exception on the console: <Dec 25, 2003 1:12:32 PM EST> <Error> <HTTP> <BEA-101268> <ServletContext (id=16065256,name=scrc,context-path=/scrc): Failed while destroying servlet: action. java.lang.NoClassDefFoundError: org/apache/commons/collections/FastHashMap$KeySet at org.apache.commons.collections.FastHashMap.keySet(Unknown Source) at org.apache.struts.action.ActionServlet.destroyDataSources (ActionServlet.java:769) at org.apache.struts.action.ActionServlet.destroy (ActionServlet.java:431) at weblogic.servlet.internal.ServletStubImpl$ServletDestroyAction.run (ServletStubImpl.java:1080) at weblogic.security.acl.internal.AuthenticatedSubject.doAs (AuthenticatedSubject.java:317) at weblogic.security.service.SecurityManager.runAs (SecurityManager.java:97) at weblogic.servlet.internal.ServletStubImpl.destroyServlet (ServletStubImpl.java:564) at weblogic.servlet.internal.ServletStubImpl.destroyServlet (ServletStubImpl.java:590) at weblogic.servlet.internal.ServletStubImpl.destroyServlet (ServletStubImpl.java:576) at weblogic.servlet.internal.WebAppServletContext.destroyServlets (WebAppServletContext.java:5719) at weblogic.servlet.internal.WebAppServletContext.destroy (WebAppServletContext.java:5605) at weblogic.servlet.internal.ServletContextManager.removeContext (ServletContextManager.java:189) at weblogic.servlet.internal.HttpServer.unloadWebApp (HttpServer.java:624) at weblogic.servlet.internal.WebAppModule.destroyOldContexts (WebAppModule.java:747) at weblogic.servlet.internal.WebAppModule.prepare (WebAppModule.java:571) at weblogic.j2ee.J2EEApplicationContainer.prepareWebModule (J2EEApplicationContainer.java:2841) at weblogic.j2ee.J2EEApplicationContainer.prepareModules (J2EEApplicationContainer.java:1476) at weblogic.j2ee.J2EEApplicationContainer.prepare (J2EEApplicationContainer.java:1136) at weblogic.j2ee.J2EEApplicationContainer.prepare (J2EEApplicationContainer.java:975) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareCon tainer(SlaveDeployer.java:2571) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer (SlaveDeployer.java:2523) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare (SlaveDeployer.java:2453) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask (SlaveDeployer.java:820) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta (SlaveDeployer.java:536) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate (SlaveDeployer.java:494) at weblogic.drs.internal.SlaveCallbackHandler$1.execute (SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:178) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:151) > It doesn't really hurt anything, but it makes some people around here nervous. If I had to guess, I would bet that somehow struts is putting FastHashMap$KeySet instances someplace that doesn't get destroyed between redeploys, so when Weblogic unloads the old version of the class, and loads the new one, then something attempts to access the old one, you get the error. The "someplace that doesn't get destroyed between redeploys" could even be the session, as I think we have Weblogic set up to persist the sessions between server bounces, which I presume means they are also persisted across redeploys. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
