NullPointerException (NPE) "Execute Unable To Evaluate The Expression With Id:10" Appears in PTSpy Logs Following a WCI Upgrade to 10.3.0 (Doc ID 1112170.1)

Last updated on DECEMBER 02, 2016

Applies to:

Oracle WebCenter Interaction - Version 10.3.0.0 and later
Information in this document applies to any platform.

Symptoms

Following an upgrade from version 6.5 to 10.3.0 of the WebCenter Interaction (WCI) portal the following NullPointerException (NPE) error appears in the portal log files:

Error Condition portal.hostname.owner [ACTIVE] ExecuteThread: '35' for queue: 'weblogic.kernel.Default (self-tuning)' com.plumtree.server.impl.condition.ExpressionEngine ExpressionEngine::Execute Unable to evaluate the Expression with ID:100.
java.lang.NullPointerException
at com.plumtree.portalpages.condition.conditiontypes.ConditionTypeUserAgent.Compare(ConditionTypeUserAgent.java:57)
at com.plumtree.server.impl.condition.ExpressionEngine.EvaluateExpression(ExpressionEngine.java:372)
at com.plumtree.server.impl.condition.OperatorOR.Evaluate(OperatorOR.java:33)
at com.plumtree.server.impl.condition.ExpressionEngine.EvaluateExpression(ExpressionEngine.java:386)
at com.plumtree.server.impl.condition.ExpressionEngine.Execute(ExpressionEngine.java:297)
at com.plumtree.portaluiinfrastructure.condition.ConditionTypeManager.EvaluateExpressions(ConditionTypeManager.java:288)
at com.plumtree.portaluiinfrastructure.condition.ConditionTypeManager.EvaluateExpressionForGuestLoginPhase(ConditionTypeManager.java:182)
at com.plumtree.portaluiinfrastructure.condition.interpreterfilter.PTExpressionEngineFilter.PreFilter(PTExpressionEngineFilter.java:51)
at com.plumtree.uiinfrastructure.interpreter.filter.ExpressionEngineFilter.RunExpressionEngine(ExpressionEngineFilter.java:77)
at com.plumtree.uiinfrastructure.interpreter.filter.ExpressionEngineFilter.PreFilter(ExpressionEngineFilter.java:41)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.DoPreFilter(Interpreter.java:1877)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.HandleRequest(Interpreter.java:294)
at com.plumtree.uiinfrastructure.interpreter.Interpreter.DoService(Interpreter.java:190)
at com.plumtree.uiinfrastructure.web.XPPage.service(XPPage.java:300)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3495)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
<ptLogMsgEnd>

Changes

Upgrading to WCI 10.3.

Cause

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