I am a bit baffled by the stack dump.
The system seems to be running fine and all of a sudden some users but
not all are getting a page with the login portlet not available.
In the log, there is a message about a PortletException caused by a
NullPointerException.
There is nothing after the exception for a little while (30 seconds)
when a "normal" log entry appears indicating that someone have got
something done.
There are a number of similar sequences.
The user can recover by hitting refresh in the browser.
Any ideas about where the Null Pointer is coming from? How can I fix
this - please provide exact code - just kidding :-) .
This is a system in production (10,000 users registered but not that
much traffic-100s per day at the most) and this is annoying the users
tremendously.
2010-04-01 17:02:03,636 [http-8080-11] WARN
org.apache.jetspeed.container.session.PortalSessionsManagerImpl -
servlet context name of paSession(CE2382229A2E3D8AA3D9D8CD4F415933): NCE
user catalog
2010-04-01 17:02:03,644 [http-8080-11] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:02:03,646 [http-8080-11] WARN
org.apache.jetspeed.container.session.PortalSessionsManagerImpl -
servlet context name of paSession(CE2382229A2E3D8AA3D9D8CD4F415933):
portal language
2010-04-01 17:02:03,652 [http-8080-11] WARN
org.apache.jetspeed.container.session.PortalSessionsManagerImpl -
servlet context name of paSession(CE2382229A2E3D8AA3D9D8CD4F415933):
Napa Excellence Public Pages
2010-04-01 17:02:03,655 [http-8080-11] WARN
org.apache.jetspeed.container.session.PortalSessionsManagerImpl -
servlet context name of paSession(CE2382229A2E3D8AA3D9D8CD4F415933):
Napa Excellence Public Pages
2010-04-01 17:04:10,549 [http-8080-11] WARN
org.apache.jetspeed.decoration.DecorationFactoryImpl - Could not locate
the decorator.properties configuration file for decoration "clear".
This decoration may not exist.
2010-04-01 17:04:10,590 [http-8080-11] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:17:18,095 [http-8080-9] WARN
org.apache.jetspeed.decoration.DecorationFactoryImpl - Could not locate
the decorator.properties configuration file for decoration "clear".
This decoration may not exist.
2010-04-01 17:17:18,133 [http-8080-9] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
javax.portlet.PortletException
at
org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:103)
at
org.apache.portals.bridges.common.GenericServletPortlet.doView(GenericServletPortlet.java:364)
at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
at
org.apache.jetspeed.factory.JetspeedPortletInstance.render(JetspeedPortletInstance.java:103)
at
org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:277)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:273)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:140)
at
org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
at
org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:121)
at
org.apache.jetspeed.aggregator.impl.RenderingJobImpl.execute(RenderingJobImpl.java:271)
at
org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:228)
at
org.apache.jetspeed.velocity.JetspeedPowerToolImpl.renderPortletEntity(JetspeedPowerToolImpl.java:870)
at sun.reflect.GeneratedMethodAccessor300.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:295)
at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:245)
at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:203)
at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:294)
at
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)
at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
at
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:107)
at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
at org.apache.velocity.runtime.directive.Parse.render(Parse.java:224)
at
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:170)
at
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:74)
at
org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:88)
at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:318)
at org.apache.velocity.Template.merge(Template.java:254)
at
org.apache.portals.bridges.velocity.BridgesVelocityViewServlet.mergeTemplate(BridgesVelocityViewServlet.java:119)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:551)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at
org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:73)
at
org.apache.portals.bridges.common.GenericServletPortlet.doView(GenericServletPortlet.java:364)
at
org.apache.jetspeed.portlets.layout.LayoutPortlet.doView(LayoutPortlet.java:269)
at
org.apache.jetspeed.portlets.layout.MultiColumnPortlet.doView(MultiColumnPortlet.java:176)
at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
at
org.apache.jetspeed.factory.JetspeedPortletInstance.render(JetspeedPortletInstance.java:103)
at
org.apache.jetspeed.container.invoker.LocalPortletInvoker.invoke(LocalPortletInvoker.java:192)
at
org.apache.jetspeed.container.invoker.LocalPortletInvoker.render(LocalPortletInvoker.java:117)
at
org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:119)
at
org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:121)
at
org.apache.jetspeed.aggregator.impl.RenderingJobImpl.execute(RenderingJobImpl.java:271)
at
org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:228)
at
org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.aggregateAndRender(PageAggregatorImpl.java:148)
at
org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.build(PageAggregatorImpl.java:78)
at
org.apache.jetspeed.aggregator.AggregatorValve.invoke(AggregatorValve.java:46)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.aggregator.HeaderAggregatorValve.invoke(HeaderAggregatorValve.java:53)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
com.artifact_software.services.valves.DecorationValve.invoke(DecorationValve.java:169)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.resource.ResourceValveImpl.invoke(ResourceValveImpl.java:130)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.pipeline.valve.impl.ActionValveImpl.invoke(ActionValveImpl.java:207)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.container.ContainerValve.invoke(ContainerValve.java:109)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:248)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
com.artifact_software.services.valves.BannerSelectorValveImpl.invoke(BannerSelectorValveImpl.java:60)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
com.artifact_software.services.valves.UAPValveImpl.invoke(UAPValveImpl.java:63)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.security.impl.LoginValidationValveImpl.invoke(LoginValidationValveImpl.java:159)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.security.impl.PasswordCredentialValveImpl.invoke(PasswordCredentialValveImpl.java:150)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:170)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.security.impl.AbstractSecurityValve$1.run(AbstractSecurityValve.java:138)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:454)
at
org.apache.jetspeed.security.JSSubject.doAsPrivileged(JSSubject.java:179)
at
org.apache.jetspeed.security.impl.AbstractSecurityValve.invoke(AbstractSecurityValve.java:132)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.container.url.impl.PortalURLValveImpl.invoke(PortalURLValveImpl.java:67)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.capabilities.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:126)
at
org.apache.jetspeed.pipeline.JetspeedPipeline$Invocation.invokeNext(JetspeedPipeline.java:167)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:146)
at
org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:222)
at
org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:242)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
com.artifact_software.services.filters.TokenSingleSignonFilter.doFilter(TokenSingleSignonFilter.java:169)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.jetspeed.engine.servlet.XXSUrlAttackFilter.doFilter(XXSUrlAttackFilter.java:52)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:465)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
Nested Exception is java.lang.NullPointerException
2010-04-01 17:17:45,146 [http-8080-21] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:17:54,219 [http-8080-22] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:18:14,872 [http-8080-5] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:18:14,901 [http-8080-5] WARN
org.apache.jetspeed.engine.JetspeedEngine - No ContainerService defined
for org.apache.pluto.services.property.PropertyManagerService
2010-04-01 17:18:19,465 [http-8080-5] INFO ARTIFACT_PORTAL_USER -
Manager returning active course list for user nxxxxx, list has 43rows
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