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java.lang.NullPointerException: 	at oracle.security.am.engines.sme.mapstore.coherence.SessionidKey.getHash(SessionidKey.java:199)	at oracle.security.am.engines.sme.mapstore.filters.UserIdentityDomainFilter.getFilterInstance(UserIdentityDomainFilter.java:111)	at oracle.security.am.engines.sme.mgr.AbstractSessionManager.doAggregation(AbstractSessionManager.java:392)	at oracle.security.am.engines.sme.mgr.AbstractSessionManager.createSession(AbstractSessionManager.java:378)	at oracle.security.am.engines.sme.mgr.AbstractSessionManager.createSession(AbstractSessionManager.java:347)	at oracle.security.am.engines.sso.adapter.AbstractSessionAdapterImpl.createSession(AbstractSessionAdapterImpl.java:890)	at oracle.security.am.engines.sso.adapter.AbstractSessionAdapterImpl.createUpdateSession(AbstractSessionAdapterImpl.java:661)	at oracle.security.am.engines.enginecontroller.SSOEngineController.createSession(SSOEngineController.java:3401)	at oracle.security.am.engines.enginecontroller.SSOEngineController.processEvent(SSOEngineController.java:536)	at oracle.security.am.controller.MasterController.processEvent(MasterController.java:596)	at oracle.security.am.controller.MasterController.processRequest(MasterController.java:788)	at oracle.security.am.controller.MasterController.process(MasterController.java:708)	at oracle.security.am.pbl.PBLFlowManager.delegateToMasterController(PBLFlowManager.java:209)	at oracle.security.am.pbl.PBLFlowManager.handleBaseEvent(PBLFlowManager.java:147)	at oracle.security.am.pbl.PBLFlowManager.processRequest(PBLFlowManager.java:107)	at oracle.security.am.pbl.transport.http.AMServlet.handleRequest(AMServlet.java:212)	at oracle.security.am.pbl.transport.http.AMServlet.doPost(AMServlet.java:170)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)	at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)	at java.security.AccessController.doPrivileged(Native Method)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)	at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)	at oracle.security.am.agent.wls.filters.OAMServletAuthenticationFilter.doFilter(OAMServletAuthenticationFilter.java:265)	at oracle.security.am.agent.wls.filters.OAMValidationSystemFilter.doFilter(OAMValidationSystemFilter.java:133)	at oracle.security.wls.oamagent.OAMAgentWrapperFilter.doFilter(OAMAgentWrapperFilter.java:120)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)	at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1491)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)