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Posted to users@tomcat.apache.org by Kirby Vandivort <kv...@ks.uiuc.edu> on 2002/02/06 00:12:55 UTC
Re: Tomcat 4, IOExceptions,
I brought this up back in early january...
Apache also returns the error response code (to add another to your
list of ones that return the non 200 code...)
I can't figure out how to pull it up doing a 'search' in the archive
either.. but Craig's response is at:
http://mikal.org/interests/java/tomcat/archive/view?mesg=51527
On Tue, Feb 05, 2002 at 05:43:13PM -0600, Christopher K. St. John wrote:
>
> Tomcat 4 throws away servlet generated IOExceptions. For
> example:
>
> public void doGet(HttpServletRequest req,
> HttpServletResponse rsp)
> throws IOException, ServletException
> {
> PrintWriter pwrt = rsp.getWriter();
> pwrt.println("HELLO");
> throw new IOException("my very own io exception");
> }
>
> In Tomcat 4 will produce a 200 OK response with a body
> of "HELLO". Tomcat 3 and Jetty both send back an HTTP
> error response. From my reading of SRV.9.9.2 Jetty and
> 3 are right, 4 is wrong. But...
>
> Tomcat 4's behavior appears to be on purpose. There
> is a catch(IOException) in StandardWrapperValve.invoke()
> that has the comments:
>
> ; // No reporting to the response
> ; // No change in availability status
>
> I thought I had seen a discussion of this before, but
> either I was hallucinating or I'm using the wrong set
> of search terms when I check the list archives (and
> bugzilla and google).
>
> So, anyway, is this a bug or a feature?
>
> --
> Christopher St. John cks@distributopia.com
> DistribuTopia http://www.distributopia.com
>
> --
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--
Kirby Vandivort Theoretical Biophysics Group
Email: kvandivo@ks.uiuc.edu 3051 Beckman Institute
http://www.ks.uiuc.edu/~kvandivo/ University of Illinois
Phone: (217) 244-5711 405 N. Mathews Ave
Fax : (217) 244-6078 Urbana, IL 61801, USA
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Re: Tomcat 4, IOExceptions,
Posted by "Christopher K. St. John" <ck...@distributopia.com>.
Kirby Vandivort wrote:
>
> I brought this up back in early january...
>
It's close, it's a similiar issue, but it's not the same
issue. What I'm saying is that Tomcat 4 will never match:
<error-page>
<exception-type> java.io.IOException </exception-type>
<location> /ioexception.html </location>
</error-page>
because all servlet-generated IOExceptions are silently
swallowed up by StandardWrapperValve before they get a
chance to be handled by the <error-page> mechanism.
This strikes me as bad, but there are comments in the
Catalina code that indicate it's intentional...
--
Christopher St. John cks@distributopia.com
DistribuTopia http://www.distributopia.com
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