Internal server error

[Hassan Abolhassani]

On JDK1.3/Tomcat 4/Cocoon 2.0.3 I receive following error for some pages:

Can anybody tell me what might be wrong and how I can resolve it.

Hassan Abolhassani

--
Error: 500
Location: ...
Internal Servlet Error:

java.lang.IllegalStateException: can't reset buffer after writing to client
at org.apache.tomcat.core.Response.reset(Response.java:264)
at 
org.apache.tomcat.facade.HttpServletResponseFacade.reset(HttpServletResponseFacade.java:295)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1074)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java:574)
at org.apache.tomcat.core.Handler.invoke(Handler.java:322)
at org.apache.tomcat.core.Handler.service(Handler.java:235)
at org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:485)
at 
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:917)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833)
at 
org.apache.tomcat.modules.server.Ajp13Interceptor.processConnection(Ajp13Interceptor.java:341)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:494)
at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:516)
at java.lang.Thread.run(Thread.java:479)

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Cocoon 2 - Internal server error

[Hassan Abolhassani]

Frequently I recieve following error. Can anybody help me to resolve this issue.



The Sitemap is null, this should never be!

description java.lang.RuntimeException: The Sitemap is null, this should never be!

sender org.apache.cocoon.servlet.CocoonServlet

source Cocoon servlet

request-uri

/cocoon/frontage

path-info

frontage

stack-trace

java.lang.RuntimeException: The Sitemap is null, this should never be!
at org.apache.cocoon.sitemap.Handler.checkSanity(Handler.java:249)
at org.apache.cocoon.sitemap.Handler.process(Handler.java:219)
at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179)
at org.apache.cocoon.sitemap.SitemapManager.process(SitemapManager.java:154)
at org.apache.cocoon.Cocoon.process(Cocoon.java:575)
at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:999)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2349)
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:644)
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:171)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:644)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:646)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:483)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
at 
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:376)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:518)
at java.lang.Thread.run(Thread.java:536)
---

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FAQ before posting. 

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