Message:
The following issue has been closed.
Resolver: David Sean Taylor
Date: Wed, 12 May 2004 11:55 AM
Resolved this issue by re-implementing sequential strategy.
Tested on Tomcat 4 and Tomcat 5.
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View the issue:
http://issues.apache.org/jira/browse/JS2-6
Here is an overview of the issue:
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Key: JS2-6
Summary: PageAggregation with STRATEGY_SEQUENTIAL broken
Type: Bug
Status: Closed
Priority: Major
Resolution: FIXED
Project: Jetspeed 2
Versions:
2.0-dev/cvs
Assignee: David Sean Taylor
Reporter: Ate Douma
Created: Thu, 1 Apr 2004 11:57 PM
Updated: Wed, 12 May 2004 11:55 AM
Environment: WindowsXP, J2SE1.4.2_03, Tomcat 4.1.29
Description:
After setting page aggregation strategy to STRATEGY_SEQUENTIAL (defined in
assembly/jetspeed.groovy) only the first portlet on a page will be rendered and all
the others break with the following stack trace:
VelocityViewServlet : Error processing the template
Invocation of method 'getCurrentPortletEntity' in class
org.apache.jetspeed.velocity.JetspeedPowerTool threw exception class
java.lang.NullPointerException :
nullorg.apache.velocity.exception.MethodInvocationException: Invocation of method
'getCurrentPortletEntity' in class org.apache.jetspeed.velocity.JetspeedPowerTool
threw exception class java.lang.NullPointerException : null
at
org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:231)
at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:213)
at
org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:365)
at
org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:90)
at
org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:133)
at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:269)
at org.apache.velocity.Template.merge(Template.java:294)
at
org.apache.jetspeed.velocity.JetspeedVelocityViewServlet.mergeTemplate(JetspeedVelocityViewServlet.java:98)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:455)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:411)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:575)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:498)
at
org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:63)
at
org.apache.jetspeed.velocity.JetspeedPowerTool.decorateAndInclude(JetspeedPowerTool.java:477)
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
org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:305)
at
org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)
at
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:213)
at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:258)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94)
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:204)
at
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:152)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:94)
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:204)
at
org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:152)
at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:269)
at org.apache.velocity.Template.merge(Template.java:294)
at
org.apache.jetspeed.velocity.JetspeedVelocityViewServlet.mergeTemplate(JetspeedVelocityViewServlet.java:98)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:455)
at
org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:411)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:575)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:498)
at
org.apache.jetspeed.dispatcher.JetspeedRequestDispatcher.include(JetspeedRequestDispatcher.java:63)
at org.apache.jetspeed.portlet.ServletPortlet.doView(ServletPortlet.java:332)
at org.apache.jetspeed.layout.LayoutPortlet.doView(LayoutPortlet.java:76)
at
org.apache.jetspeed.layout.MultiColumnPortlet.doView(MultiColumnPortlet.java:68)
at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
at
org.apache.jetspeed.container.JetspeedContainerServlet.doGet(JetspeedContainerServlet.java:214)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:575)
at
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:498)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.invoke(ServletPortletInvoker.java:208)
at
org.apache.jetspeed.container.invoker.ServletPortletInvoker.render(ServletPortletInvoker.java:122)
at
org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:107)
at
org.apache.jetspeed.container.JetspeedPortletContainerWrapper.renderPortlet(JetspeedPortletContainerWrapper.java:98)
at
org.apache.jetspeed.aggregator.impl.PortletRendererImpl.renderNow(PortletRendererImpl.java:95)
at
org.apache.jetspeed.aggregator.impl.PageAggregatorImpl.build(PageAggregatorImpl.java:198)
at
org.apache.jetspeed.aggregator.AggregatorValve.invoke(AggregatorValve.java:47)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.pipeline.valve.impl.VerySimpleLayoutValveImpl.invoke(VerySimpleLayoutValveImpl.java:99)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.pipeline.valve.impl.ActionValveImpl.invoke(ActionValveImpl.java:95)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.profiler.impl.ProfilerValveImpl.invoke(ProfilerValveImpl.java:57)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.security.impl.SecurityValveImpl.invoke(SecurityValveImpl.java:79)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at org.apache.jetspeed.container.ContainerValve.invoke(ContainerValve.java:67)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.capability.impl.CapabilityValveImpl.invoke(CapabilityValveImpl.java:120)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.localization.impl.LocalizationValveImpl.invoke(LocalizationValveImpl.java:62)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invokeNext(JetspeedPipeline.java:255)
at
org.apache.jetspeed.pipeline.JetspeedPipeline.invoke(JetspeedPipeline.java:237)
at org.apache.jetspeed.engine.JetspeedEngine.service(JetspeedEngine.java:231)
at org.apache.jetspeed.engine.JetspeedServlet.doGet(JetspeedServlet.java:207)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
at java.lang.Thread.run(Thread.java:534)
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