Re: failure in request parameters

Wed, 19 Feb 2003 07:02:57 -0800

Hi Eduardo!
I have the same problem with a jsp.
Here I forward you the (only) answer I received from the cocoon developers mailing list, with my original message.
Maybe it can help you.
Now I'm thinking in translate my JSPs in XSPs as you can read on my posts (but I haven't received any answer yet), but I we can solve this problem it would be better!
 
If you have some solution please, tell me!
Regards,
Nesto
 
----- Original Message -----
From: "Konstantin Piroumian" <[EMAIL PROTECTED]>
Sent: Tuesday, February 18, 2003 10:43 AM
Subject: Re: Is this a bug?

> Check if the JSP samples work.
> If yes, then probably there's an error somewhere in your code that causes an
> exception which is handled incorrectly in the recent Cocoon (according to
> rumors in users list).
>
> Also, you can use the JSPReader to get the pure output of your JSP and then
> check Cocoon logs to see if there are any exceptions (except the Illegal
> state one).
>
> Konstantin
----- Original Message -----
From: Nesto
Sent: Tuesday, February 18, 2003 10:29 AM
Subject: Is this a bug?

Hello!
 
I have a problem with a JSP generator, and after many attempts, now I think that there could be a bug.
So I need your help!
I use Cocoon 2.0.4 with Tomcat 4.1.18, on a server that runs Linux RedHat 8.
Here I write my simple test code:
 
The jsp (named prova.jsp) generates a small xml data, and reads a request parameter from the http request.
 
<%@ page contentType="text/xml"%><?xml version="1.0"?>
<document>
  <parametro><%=request.getParameter("name")%></parametro>
</document>
 
This simple jsp was included as generator in my sitemap:
 
<?xml version="1.0"?>
<map:sitemap xmlns:map="http://apache.org/cocoon/sitemap/1.0">
<map:components>
   <map:generators default="file"/>
   <map:transformers default="xslt"/>
   <map:readers default="resource"/>
   <map:serializers default="html"/>
   <map:selectors default="browser"/>
   <map:matchers default="wildcard"/>
</map:components>
<map:pipelines>
   <map:pipeline>
     <map:match pattern="prova.jsp">
       <map:act type="request">
         <map:parameter name="parameters" value="true"/>
         <map:generate type="jsp" src="" mime-type="text/xml"/>
         <map:serialize type="xml"/>
       </map:act>
     </map:match>
   </map:pipeline>
</map:pipelines>
</map:sitemap>
<!-- end of file -->
 
I think there is nothing wrong in this sitemap!
 
I get the exception:
 

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

java.lang.IllegalStateException
	at org.apache.coyote.tomcat4.CoyoteResponseFacade.reset(CoyoteResponseFacade.java:251)
	at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:1115)
	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$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	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:432)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
	at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
	at java.lang.Thread.run(Thread.java:536)
I hope I write all the informations you need!
 
Thank you!
Nesto

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