PLEASE (was: [BUG] : java.util.EmptyStackException on EnvironmentStack)

[Amir Rosen <am...@cti2.com>]

> -----Original Message-----
> From: Amir Rosen 
> Sent: Wednesday, January 01, 2003 11:04 AM
> To: cocoon-dev@xml.apache.org
> Subject: RE: [BUG] : java.util.EmptyStackException on EnvironmentStack
> 
> 
> Hi,
> 
> I added a patch in my servlet extending the cocoon servlet, 
> detailed below.
> 
> Is this going to solve this bug ?
> 
> 
> public class SensesServlet extends CocoonServlet {
> ...
> 	public void service(ServletRequest request, 
> ServletResponse response)
> 			throws ServletException, IOException {
> 		EnvironmentStack es = 
> CocoonComponentManager.getCurrentEnvironmentStack();
> 		if (es != null) {
> 			es.clear();
> 			es.resetOffset(0);
> 		}
> 		super.service(request, response);
> 	}
> 
> Thanks,
> 
> Amir Rosen
> 
> 
> > -----Original Message-----
> > From: Amir Rosen 
> > Sent: Tuesday, December 31, 2002 2:57 PM
> > To: cocoon-dev@xml.apache.org
> > Subject: [BUG] : java.util.EmptyStackException on EnvironmentStack
> > 
> > 
> > Hi,
> > 
> > I'm using cocoon 2.0.4, and after calling a request that causes 
> > an exception, sometimes I get an EmptyStackException from the
> > environment stack.
> > 
> > I traced this behavior, and found out that, the environment
> > stack is sometimes not initialized, when the request is 
> > just starting to process, meaning, on the first call to
> > CocoonComponentManager#enterEnvironment, environmentStack.get()
> > returns an empty EnvironmentStack with offset = 1.
> > 
> > I think resetting the thread's EnvironmentStack on entry
> > (CocoonServlet#service) will solve this, but I'm not sure if
> > that is the right solution. (I'm not fluent with the behavior
> > of this part of the system)
> > 
> > Please help me solve this.
> > 
> > 
> > Thanks,
> > 
> > Amir Rosen
> > CTI Squared
> > amir@cti2.com
> > +972-9-9605200 (258)
> >  
> > 
> > 
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> > 
> 
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