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From "Craig McClanahan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SHALE-360) NPE in shale on GlassFish
Date Fri, 15 Dec 2006 23:03:57 GMT
    [ http://issues.apache.org/struts/browse/SHALE-360?page=comments#action_39105 ] 
            
Craig McClanahan commented on SHALE-360:
----------------------------------------

Ken, do you have any concrete reproducible example for this?  Without anything more to go
on, it's going to be basically impossible to debug this.

The NPE at line 300 of MappingImpl could happen only if the "mappings" instance variable had
been corrupted.  In turn, the only way that can happen is if someone calls setMappings(null)
after the mapping configurations have been loaded -- the framework's only call to setMappings()
is guaranteed to have a non-null parameter, or an exception would have been thrown.  Is there
anything in your code that ever calls this?

By the way, the last stack trace ("Cant create Lifecycle for id: com.sun.faces.lifecycle.PARTIAL")
is definitely not related to Shale.


> NPE in shale on GlassFish
> -------------------------
>
>                 Key: SHALE-360
>                 URL: http://issues.apache.org/struts/browse/SHALE-360
>             Project: Shale
>          Issue Type: Bug
>          Components: Remoting
>    Affects Versions: 1.0.3
>         Environment: GlassFish v2 build 28
>            Reporter: Ken Paulsen
>
> The following are the stack traces I received.  It seemed to be intermittent.  I think
another bug occurred in Dynamic Faces related to GlassFish restoring session state across
server restarts.  After deserialization, transient variables were not restored... I don't
know if something similar is happenning here, but could be.
> [#|2006-12-10T23:13:23.158-0800|INFO|sun-appserver-ee9.1|com.sun.jsftemplating|_ThreadID=12;_ThreadName=httpWorkerThread-8080-0;|WEBUI0004:
The requested resource (/static/META-INF/libs/scriptaculous/version1.6.4/prototype.js) is
not available.|#]
> [#|2006-12-10T23:13:23.159-0800|WARNING|sun-appserver-ee9.1|javax.enterprise.resource.webcontainer.jsf.lifecycle|_ThreadID=12;_ThreadName=httpWorkerThread-8080-0;_RequestID=1de3fe2b-e48e-435e-9976-ce30efc56ed4;|phase(RESTORE_VIEW
1,com.sun.faces.context.FacesContextImpl@594680) threw exception: java.lang.NullPointerException
null
> org.apache.shale.remoting.impl.MappingImpl.viewId(MappingImpl.java:300)
> org.apache.shale.remoting.impl.MappingImpl.mapViewId(MappingImpl.java:227)
> org.apache.shale.remoting.faces.RemotingPhaseListener.afterPhase(RemotingPhaseListener.java:94)
> com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:278)
> com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
> org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:398)
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:255)
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:186)
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1032)
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1032)
> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:250)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:618)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.processNonBlocked(DefaultProcessorTask.java:549)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:790)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:248)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:199)
> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
> com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:103)
> |#]
> I had accidentally missed the Dynamic Faces init parameter... I thought it was related
to that (note standard lifecycle above).  But after installing the init-param, clearing the
generated directory in GF, and restarting the whole server... I still had an exception from
shale:
> [#|2006-12-10T23:18:56.641-0800|INFO|sun-appserver-ee9.1|com.sun.jsftemplating|_ThreadID=12;_ThreadName=httpWorkerThread-8080-0;|WEBUI0004:
The requested resource (/static/META-INF/libs/scriptaculous/version1.6.4/prototype.js) is
not available.|#]
> [#|2006-12-10T23:18:56.642-0800|WARNING|sun-appserver-ee9.1|javax.enterprise.resource.webcontainer.jsf.lifecycle|_ThreadID=12;_ThreadName=httpWorkerThread-8080-0;_RequestID=4921981e-6383-4aa8-9655-f474eec508e3;|phase(RESTORE_VIEW
1,com.sun.faces.context.FacesContextImpl@b07848) threw exception: java.lang.NullPointerException
null
> org.apache.shale.remoting.impl.MappingImpl.viewId(MappingImpl.java:300) org.apache.shale.remoting.impl.MappingImpl.mapViewId(MappingImpl.java:227)
org.apache.shale.remoting.faces.RemotingPhaseListener.afterPhase(RemotingPhaseListener.java:94)
> com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:278) com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
com.sun.faces.extensions.avatar.lifecycle.PartialTraversalLifecycle.execute(PartialTraversalLifecycle.java:79)
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
> org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:398)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:255)
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:186)
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1032)
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
> org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1032)
> org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:250)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:618)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.processNonBlocked(DefaultProcessorTask.java:549)
> com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:790)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:248)
> com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:199)
> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
> com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:103)
> I had it working at one point, I don't know if I did something to break it or if it's
intermittent.  It might not be shale's fault, it may be Dynamic Faces or the app server which
has an error message on startup w/ the init-parm for Dynamic Faces in place:
> [#|2006-12-10T23:24:08.654-0800|WARNING|sun-appserver-ee9.1|javax.enterprise.resource.webcontainer.jsf.lifecycle|_ThreadID=10;_ThreadName=main;_RequestID=82a8ab26-627d-4681-8565-5c574f07d7db;|LifecycleId
com.sun.faces.lifecycle.PARTIAL does not exist|#]
> [#|2006-12-10T23:24:08.656-0800|SEVERE|sun-appserver-ee9.1|javax.enterprise.system.container.web|_ThreadID=10;_ThreadName=main;_RequestID=82a8ab26-627d-4681-8565-5c574f07d7db;|WebModule[]StandardWrapper.Throwable
> java.lang.IllegalArgumentException: Cant create Lifecycle for id: com.sun.faces.lifecycle.PARTIAL.
>        at com.sun.faces.lifecycle.LifecycleFactoryImpl.getLifecycle(LifecycleFactoryImpl.java:226)
>        at javax.faces.webapp.FacesServlet.init(FacesServlet.java:170)
>        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1165)
>        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:994)
>        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4689)
>        at org.apache.catalina.core.StandardContext.start(StandardContext.java:5081)
>        at com.sun.enterprise.web.WebModule.start(WebModule.java:299)
>        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1189)
>        at org.apache.catalina.core.StandardHost.start(StandardHost.java:924)
>        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1189)
>        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:520)
>        at org.apache.catalina.startup.Embedded.start(Embedded.java:916)
>        at com.sun.enterprise.web.WebContainer.start(WebContainer.java:839)
>        at com.sun.enterprise.web.PEWebContainer.startInstance(PEWebContainer.java:750)


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