NPE in DynamicURLStreamHandlerFactory (Cocoon JNET)
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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
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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