java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at oracle.odi.runtime.agent.coherence.OdiDisconnectedRepositoryList.isRepositoryDown(OdiDisconnectedRepositoryList.java:78)
at oracle.odi.runtime.agent.mbeans.SessionInformationBean.isWorkRepositoryDown(SessionInformationBean.java:567)
at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor$1.doAction(StartScenRequestProcessor.java:297)
at oracle.odi.core.persistence.dwgobject.DwgObjectTemplate.execute(DwgObjectTemplate.java:216)
at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor.goPrepareOrDelegatePrepare(StartScenRequestProcessor.java:287)
at oracle.odi.runtime.agent.processor.impl.StartScenRequestProcessor.doPrepareAgentTask(StartScenRequestProcessor.java:216)
at oracle.odi.runtime.agent.processor.TaskExecutorAgentRequestProcessor.process(TaskExecutorAgentRequestProcessor.java:81)
at oracle.odi.runtime.agent.support.DefaultRuntimeAgent.execute(DefaultRuntimeAgent.java:68)
at oracle.odi.runtime.agent.servlet.AgentServlet.processRequest(AgentServlet.java:564)
at oracle.odi.runtime.agent.servlet.AgentServlet.doPost(AgentServlet.java:518)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$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 oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
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:2273)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
at oracle.odi.runtime.agent.invocation.RemoteRuntimeAgentInvoker.invoke(RemoteRuntimeAgentInvoker.java:271)
at oracle.odi.runtime.agent.invocation.RemoteRuntimeAgentInvoker.invokeStartScenario(RemoteRuntimeAgentInvoker.java:604)
at oracle.odi.runtime.agent.invocation.RemoteRuntimeAgentInvoker.invokeStartScenario(RemoteRuntimeAgentInvoker.java:565)
at com.hyperion.aif.gl.common.util.model.applicationModule.GLIntegrationBaseAMImpl.invoke_odi_process(GLIntegrationBaseAMImpl.java:610)
at com.hyperion.aif.util.RuleServiceExecutor.executeDataRule(RuleServiceExecutor.java:398)
at com.hyperion.aif.gl.common.data.model.applicationModule.DataRuleAMImpl.executeRule(DataRuleAMImpl.java:1446)
at com.hyperion.aif.workbench.model.applicationModule.WorkBenchAMImpl.execDataRule(WorkBenchAMImpl.java:1415)
at com.hyperion.aif.workbench.model.applicationModule.WorkBenchAMImpl.executeImport(WorkBenchAMImpl.java:1269)
at com.hyperion.aif.workbench.userinterface.backing.WorkBenchBacking.executeRule(WorkBenchBacking.java:199)
at com.hyperion.aif.workbench.userinterface.backing.WorkBenchBacking.executeRule(WorkBenchBacking.java:1819)
at com.hyperion.aif.workbench.userinterface.backing.WorkBenchBacking.checkOverrideWarn(WorkBenchBacking.java:1810)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.el.parser.AstValue.invoke(AstValue.java:187)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
at oracle.adf.view.rich.component.fragment.UIXRegion.broadcast(UIXRegion.java:181)
at oracle.adf.view.rich.component.fragment.UIXRegion.broadcast(UIXRegion.java:181)
at oracle.adf.view.rich.component.fragment.UIXRegion.broadcast(UIXRegion.java:181)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:1100)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:446)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:219)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:211)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:131)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
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 oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
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:2273)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

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