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5 Replies Latest reply: Feb 4, 2013 5:48 PM by frank.hampshire RSS

webdeterminations Exception: cannot load interview engine

Ravindra D Newbie
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while launching opa from siebel, it sometimes throws following exception.

2013-01-29 15:50:38,337 42 [[ACTIVE] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'] INFO com.oracle.util.plugins.PluginRegis
try - Successfully created plugin factory: com.oracle.determinations.web.siebel.PreseedOnSessionCreatedHandler
2013-01-29 15:50:38,337 43 [[ACTIVE] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'] WARN com.oracle.determinations.interview
.engine.local.LocalInterviewEngine - Can not load plugin ''. Reason: Class '' could not be loaded:
2013-01-29 15:50:38,338 java.lang.IllegalArgumentException: Class '' could not be loaded:
at com.oracle.util.plugins.PluginRegistry.addPlugins(PluginRegistry.java:63)
at com.oracle.determinations.interview.engine.local.LocalInterviewEngine.initialise(LocalInterviewEngine.java:126)
at com.oracle.determinations.interview.engine.local.LocalInterviewEngine.<init>(LocalInterviewEngine.java:67)
at com.oracle.determinations.interview.engine.InterviewEngineFactory.createInstance(InterviewEngineFactory.java:19)
at com.oracle.determinations.web.platform.servlet.WebDeterminationsServletContext.init(WebDeterminationsServletContext.java:180)
at com.oracle.determinations.web.platform.servlet.WebDeterminationsServletContext.<init>(WebDeterminationsServletContext.java:117)
at com.oracle.determinations.web.platform.servlet.WebDeterminationsServlet.init(WebDeterminationsServlet.java:73)
at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:283)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:64)
at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:58)
at weblogic.servlet.internal.StubLifecycleHelper.<init>(StubLifecycleHelper.java:48)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:539)
at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:1981)
at weblogic.servlet.internal.WebAppServletContext.loadServletsOnStartup(WebAppServletContext.java:1955)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1874)
at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3155)
at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1518)
at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:487)
at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52)
at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119)
at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:201)


what should be the reason for this? it is not consistent and exception is thrown some times.
this will be a very bad user experience if it throws error from OPA interview portlet.

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