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From Gabriel Gruber <Gabriel.Gru...@workflow.at>
Subject HELP needed with latest Cocoon 2.2 (JNET / SSF)
Date Tue, 02 Feb 2010 18:44:01 GMT
Hello comunity,

I found a serious bug in JNET / servlet service framework in our cocoon 
2.2 based application. After some time the following Exception pops up and 
the only way to resolve is to restart the web application...


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)

Any Ideas?

I found a Jira Thread of another project using cocoon and having similar 
problems...
http://jira.dspace.org/jira/browse/DS-253?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel

cheers,

Gabriel
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