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webMethods Knowlegebase : Empty navigation bar in My webMethods Server clustered node (1802654)

Troubleshooting


Problem

One or more My webMethods Server (MWS) clustered node may display a blank navigation bar.

Following error message is observed on the MWS page:

[POP.012.0002.wm_cafshared/hidden] A client error occurred processing the response from the server.

User also observes the following error message in _full_.log:

2020-03-03 10:00:23 GST (c.w.p.f.i.PortalServlet:ERROR) [qtp1479379682-118] [RID:10] - [POP.001.0002] A "java.lang.NullPointerException" occurred with the Message "null"

java.lang.NullPointerException

at com.webmethods.jackrabbit.spi2mws.MwsRepositoryService.createSubscription(MwsRepositoryService.java:2607)

at org.apache.jackrabbit.jcr2spi.WorkspaceManager.addEventListener(WorkspaceManager.java:399)

at org.apache.jackrabbit.jcr2spi.WorkspaceManager.<init>(WorkspaceManager.java:229)

at org.apache.jackrabbit.jcr2spi.WorkspaceImpl.createManager(WorkspaceImpl.java:560)

at org.apache.jackrabbit.jcr2spi.WorkspaceImpl.<init>(WorkspaceImpl.java:114)

at org.apache.jackrabbit.jcr2spi.SessionImpl.createWorkspaceInstance(SessionImpl.java:702)

at org.apache.jackrabbit.jcr2spi.SessionImpl.<init>(SessionImpl.java:144)

at org.apache.jackrabbit.jcr2spi.RepositoryImpl.login(RepositoryImpl.java:156)

at com.webmethods.caf.jcr.faces.bean.RepositorySessionManager.getCurrentSession(RepositorySessionManager.java:129)

at com.webmethods.portal.noodle.util.NoodleUtils.getJcrSession(NoodleUtils.java:520)

at com.webmethods.portal.noodle.wspace.impl.WorkspaceServiceProvider.getJcrSession(WorkspaceServiceProvider.java:135)

at com.webmethods.portal.noodle.wspace.impl.WorkspaceServiceProvider.getUserHomeNode(WorkspaceServiceProvider.java:283)

at com.webmethods.portal.noodle.wspace.impl.WorkspaceServiceProvider.getWorkspaceViewNode(WorkspaceServiceProvider.java:253)

at com.webmethods.portal.noodle.wspace.impl.WorkspaceServiceProvider.getWorkspaceViewDoc(WorkspaceServiceProvider.java:220)

at com.webmethods.portal.noodle.impl.nav.wspace.NdlWSpaceNodeProvider.getWspaceViewDoc(NdlWSpaceNodeProvider.java:325)

at com.webmethods.portal.noodle.impl.nav.wspace.NdlWSpaceNodeProvider.getNodeElement(NdlWSpaceNodeProvider.java:349)

at com.webmethods.portal.noodle.impl.nav.wspace.NdlWSpaceNodeProvider._getWSpaceNodes(NdlWSpaceNodeProvider.java:311)

at com.webmethods.portal.noodle.impl.nav.wspace.NdlWSpaceNodeProvider.getWSpaceNodes(NdlWSpaceNodeProvider.java:116)

at com.webmethods.portal.noodle.impl.nav.wspace.NdlWSpaceNodeProvider.getWSpaceNodes(NdlWSpaceNodeProvider.java:107)

at com.webmethods.caf.dispatch.handlers.ExpandBranch.printWorkspacesChildren(ExpandBranch.java:400)

at com.webmethods.caf.dispatch.handlers.ExpandBranch.printNavigateChildren(ExpandBranch.java:334)

at com.webmethods.caf.dispatch.handlers.ExpandBranch.printChildren(ExpandBranch.java:229)

at com.webmethods.caf.dispatch.handlers.ExpandBranch.expandBranch(ExpandBranch.java:186)

at com.webmethods.caf.dispatch.handlers.ExpandBranch.action(ExpandBranch.java:120)

at com.webmethods.portal.framework.dispatch.handlers.BaseJsonHandler.handle(BaseJsonHandler.java:37)

at com.webmethods.portal.framework.dispatch.impl.DispatchManager.handle(DispatchManager.java:880)

at com.webmethods.portal.framework.dispatch.impl.DispatchManager.handleDispatch(DispatchManager.java:774)

at com.webmethods.portal.framework.impl.PortalServlet.service(PortalServlet.java:328)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)

at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)

at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:300)

at com.webmethods.caf.faces.servlet.GZIPFilter.doFilter(GZIPFilter.java:49)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

at com.webmethods.portal.framework.impl.NTLMV1Filter.doFilter(NTLMV1Filter.java:64)

at com.webmethods.portal.framework.impl.NTLMFilter.doFilter(NTLMFilter.java:30)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

at com.webmethods.portal.framework.impl.RequestFilter.doFilter(RequestFilter.java:63)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

at com.webmethods.portal.framework.impl.JsfPartialAjaxRequestFilter.doFilter(JsfPartialAjaxRequestFilter.java:81)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

at com.webmethods.portal.framework.impl.SpnegoFilterWrapper.doFilter(SpnegoFilterWrapper.java:75)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)

at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)

at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)

at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)

at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)

at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)

at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)

at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)

at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)

at com.webmethods.portal.webapp.jetty7.MwsServer.handle(MwsServer.java:129)

at org.eclipse.jetty.server.Server.handle(Server.java:497)

at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)

at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)

at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)

at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)

at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)

at java.lang.Thread.run(Thread.java:748)

Document Location

Worldwide

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Document Information

Modified date:
20 March 2025

UID

ibm17215757

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