Re: NullPointerException on container update

This seems to have fixed the problem.

CodeMonkey wrote:
> Unfortunately, we cannot reproduce this on our network (the client is 
> the only one that sees this - albeit intermittently)
> 
> I have added
> <%
> response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
> response.setHeader("Pragma","no-cache"); //HTTP 1.0
> response.setDateHeader ("Expires", 0); //prevents caching at the proxy 
> server
> %>
> 
> to all pages so that caching is turned off.  Will see whether this works.
> 
> Serge Huber wrote:
> 
>>
>> Hi,
>>
>> In the source code this fails on :
>>
>>        theContainer = jahiaContentContainerFacade.getContainer (
>>                entryLoadRequest, true);
>>
>> Somehow jahiaContentContainerFace is not properly initialized on your 
>> system. Do you have a scenario to reproduce this ? Basically it might 
>> be some kind of session problem, as this object is retrieved from the 
>> session. Do you have a special configuration in terms of firewall / 
>> cookie management ?
>>
>> Regards,
>>  Serge Huber.
>>
>> CodeMonkey wrote:
>>
>>> I get the following intermittant error:
>>>
>>> Windows Server 2003
>>> Jahia4.0.6_01
>>> MySQL
>>>
>>> On some occasions, a null pointer exception is generated when a user 
>>> attempts to update content on a container.
>>>
>>> ANy ideas as to what would cause this?
>>>
>>> <!--
>>> Error :
>>>
>>> Error during handle of operation, Error during handle of operation, 
>>> root cause:null
>>>
>>>
>>> Exception StackTrace: Cause level : 0 (level 0 is the most precise 
>>> exception)
>>> java.lang.NullPointerException
>>>     at 
>>> org.jahia.engines.updatecontainer.UpdateContainer_Engine.initEngineMap(UpdateContainer_Engine.java:833) 
>>>
>>>     at 
>>> org.jahia.engines.updatecontainer.UpdateContainer_Engine.handleActions(UpdateContainer_Engine.java:145) 
>>>
>>>     at 
>>> org.jahia.operations.OperationManager.handleOperations(OperationManager.java:302) 
>>>
>>>     at org.jahia.bin.JahiaAction.execute(JahiaAction.java:50)
>>>     at 
>>> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) 
>>>
>>>     at 
>>> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) 
>>>
>>>     at 
>>> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
>>>     at org.jahia.bin.Jahia.process(Jahia.java:1545)
>>>     at org.jahia.bin.Jahia.service(Jahia.java:860)
>>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
>>>     at 
>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200) 
>>>
>>>     at 
>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) 
>>>
>>>     at 
>>> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>>     at 
>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) 
>>>
>>>     at 
>>> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>>     at 
>>> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) 
>>>
>>>     at 
>>> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) 
>>>
>>>     at 
>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) 
>>>
>>>     at 
>>> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>>     at 
>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596) 
>>>
>>>     at 
>>> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433) 
>>>
>>>     at 
>>> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
>>>     at 
>>> org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
>>>     at 
>>> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:300)
>>>     at 
>>> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:374)
>>>     at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:743)
>>>     at 
>>> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:675) 
>>>
>>>     at 
>>> org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:866)
>>>     at 
>>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) 
>>>
>>>     at java.lang.Thread.run(Thread.java:534)
>>>
>>>
>>
>>
> 
>