javax.servlet.ServletException: This exception has no message.

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java.lang.NullPointerException:
at com.sun.identity.authentication.UI.LoginLogoutMapping.init(LoginLogoutMapping.java:71)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:904)
at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java:883)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:822)
at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:3335)
at weblogic.servlet.internal.WebAppServletContext.preloadServlets(WebAppServletContext.java:3292)
at weblogic.servlet.internal.WebAppServletContext.preloadServlets(WebAppServletContext.java:3278)
at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:3261)
at weblogic.servlet.internal.WebAppServletContext.setStarted(WebAppServletContext.java:5951)
at weblogic.j2ee.J2EEApplicationContainer.start(J2EEApplicationContainer.java:2127)
at weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2168)
at weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2115)
at weblogic.management.deploy.slave.SlaveDeployer$Application.setActivation(SlaveDeployer.java:3082)
at weblogic.management.deploy.slave.SlaveDeployer.setActivationStateForAllApplications(SlaveDeployer.java:1751)
at weblogic.management.deploy.slave.SlaveDeployer.resume(SlaveDeployer.java:359)
at weblogic.management.deploy.DeploymentManagerServerLifeCycleImpl.resume(DeploymentManagerServerLifeCycleImpl.java:229)
at weblogic.t3.srvr.SubsystemManager.resume(SubsystemManager.java:131)
at weblogic.t3.srvr.T3Srvr.resume(T3Srvr.java:966)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:361)
at weblogic.Server.main(Server.java:32)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.jprofiler.agent.Agent$_E.run(Unknown Source)
at java.lang.Thread.run(Thread.java:534)

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