RE: [servlets] Error when wrapping a response object

[Martin van den Bemt <ma...@isallineed.org>]

Close the writer you have opened to write to the html stream should (if I'm
not mistaking) make this work.

Mvgr,
Martin

> -----Original Message-----
> From: Jay Wright [mailto:jwright@once.com]
> Sent: Tuesday, November 13, 2001 8:09 PM
> To: 'tomcat-user@jakarta.apache.org'
> Subject: FW: [servlets] Error when wrapping a response object
>
>
>
> Has anyone using Tomcat seen a problem like this?  In short, I am
> wrapping a
> response object so I can write the HTML to a file.  Then, I would like to
> use the ReqeustDispatcher to forward the response or at the very least use
> the response objects sendRedirect to go to the next page.
>
> With Resin, this works fine.  In Tomcat, I get an error which
> wont allow me
> to do either becuase the response object is "committed."  The
> attached email
> explains further.
>
> Any one seen this before?
>
> Jay
>
> -----Original Message-----
> From: Jay Wright [mailto:jwright@once.com]
> Sent: Friday, November 02, 2001 10:36 AM
> To: Servlets
> Subject: [servlets] Error when wrapping a response object
>
>
>
> Hi all,
>
> I am getting a servlet error which has something to do with a wrapped
> response object.
>
> With Resin, I have created a servlet that wraps a response object for the
> purpose of writing the response's html to a file.  This complete
> successfully, then the RequestDispatcher forwards the request to a jsp,
> which in effect displays a thank you page.  It works wonderfully.
>
> When I deploy the same application to Tomcat, I get the following error:
>
> java.lang.IllegalStateException: Cannot forward after response has been
> committed
>         at
> org.apache.catalina.core.ApplicationDispatcher.doForward(Unknown
> Source)
>         at org.apache.catalina.core.ApplicationDispatcher.forward(Unknown
> Source)
>         at atonce.mas.web.MainServlet.doGet(MainServlet.java:88)
>
> Apparently the two servlet containers handle this differently.  As curious
> as this is, I'm more concerned with getting the tomcat version
> working.  Is
> there anything I can do to "uncommit" the response?  I assume
> not.  I could
> use a sendRedirect, but would prefer to stick with the RequestDispatchers
> forward method to be consistent and standard with my servlet model.
>
> Any ideas?
>
> Thanks,
> Jay
>
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