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From "Reinhard Poetz (JIRA)" <j...@apache.org>
Subject [jira] Closed: (COCOON-2277) NPE in DynamicURLStreamHandlerFactory (Cocoon JNET)
Date Mon, 03 Jan 2011 23:50:45 GMT

     [ https://issues.apache.org/jira/browse/COCOON-2277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reinhard Poetz closed COCOON-2277.
----------------------------------

    Resolution: Fixed

Patch applied as suggest by me and confirmed by others.

> NPE in DynamicURLStreamHandlerFactory (Cocoon JNET)
> ---------------------------------------------------
>
>                 Key: COCOON-2277
>                 URL: https://issues.apache.org/jira/browse/COCOON-2277
>             Project: Cocoon
>          Issue Type: Bug
>          Components: * Cocoon Core, - Servlet service framework
>    Affects Versions: 2.2-dev (Current SVN)
>            Reporter: Gabriel Gruber
>            Assignee: Reinhard Poetz
>            Priority: Critical
>
> From time to time after more heavy of our cocoon 2.2 based application (which is not
yet in production) I am getting this exception from cocoon jnet. after this exception occurs
we have to restart the web application as this exception keeps coming and noone can do anything
with the webapp....
> java.lang.NullPointerException
>                 java.util.LinkedList.remove(LinkedList.java:646)
>                 java.util.LinkedList.remove(LinkedList.java:360)
>                 org.apache.cocoon.jnet.DynamicURLStreamHandlerFactory.pop(DynamicURLStreamHandlerFactory.java:30)
>                 org.apache.cocoon.jnet.URLHandlerFactoryCollector.popUrlHandlerFactories(URLHandlerFactoryCollector.java:57)
>                 org.apache.cocoon.jnet.URLHandlerFactoryCollector.installURLHandlers(URLHandlerFactoryCollector.java:39)
>                 sun.reflect.GeneratedMethodAccessor516.invoke(Unknown Source)
>                 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>                 java.lang.reflect.Method.invoke(Method.java:585)
>                 org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627)
>                 org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616)
>                 org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:64)
>                 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
>                 org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
>                 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
>                 org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>                 $Proxy34.service(Unknown Source)
>                 org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:481)
>                 org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:455)
>                 org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:245)
>                 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
>                 org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>                 $Proxy94.service(Unknown Source)
>                 org.apache.cocoon.servletservice.DispatcherServlet.service(DispatcherServlet.java:106)
>                 javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>                 org.apache.cocoon.servlet.multipart.MultipartFilter.doFilter(MultipartFilter.java:131)
> *NOTE* that another open source project reported similar problems:
> http://jira.dspace.org/jira/browse/DS-253?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel


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