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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:1086) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118) at weblogic.servlet.internal.ServletStubImpl.destroyServlet(ServletStubImpl.java:569) at weblogic.servlet.internal.ServletStubImpl.destroyServlet(ServletStubImpl.java:596) at weblogic.servlet.internal.ServletStubImpl.destroyServlet(ServletStubImpl.java:581) at weblogic.servlet.internal.WebAppServletContext.destroyServlets(WebAppServletContext.java:5797) at weblogic.servlet.internal.WebAppServletContext.destroy(WebAppServletContext.java:5675) at weblogic.servlet.internal.ServletContextManager.removeContext(ServletContextManager.java:187) at weblogic.servlet.internal.HttpServer.unloadWebApp(HttpServer.java:706) at weblogic.servlet.internal.WebAppModule.destroyContexts(WebAppModule.java:764) at weblogic.servlet.internal.WebAppModule.rollback(WebAppModule.java:742) at weblogic.j2ee.J2EEApplicationContainer.rollbackModule(J2EEApplicationContainer.java:2942) at weblogic.j2ee.J2EEApplicationContainer.rectifyClassLoaders(J2EEApplicationContainer.java:1429) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1176) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1031) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2634) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2584) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2506) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:833) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:542) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:500) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)