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From "Nicola Ken Barozzi" <nicola...@apache.org>
Subject Re: C2 on Websphere 3.5: IllegalStateException
Date Thu, 30 May 2002 20:59:34 GMT
From: "J.Pietschmann" <j3322ptm@yahoo.de>

> Hello,
> finally I managed to get Cocoon 2.0.2 running on Websphere 3.5.
> However, I keep getting IllegalStateExceptions, in particular
> if a ressource is missing because of this code in
>   CocoonServlet.java:1019 ff:
>                  res.sendError(res.SC_NOT_FOUND);
>
>                  SimpleNotifyingBean n = new SimpleNotifyingBean(this);
>                  n.setType("resource-not-found");
>                  ...
>                  // send the notification but don't include it in the
output stream
>                  // as the status SC_NOT_FOUND is enough
>                  res.setContentType(Notifier.notify(n,
(OutputStream)null));
>
> Apparently Tomcat tolerates the setContentType() after a
> sendError(), Websphere 3.5 has already it's response committed
> at this point and throws the IllegalStateException.
>
> I'm not an expert in servlet programming, nevertheless the code
> seems to be a bit odd to me. Is there a specific reason for
> setting the content type after the sendError()? I'd send the
> error after having set the content type...

Yes, Houston, we have a problem.

I think I wrote that comment more than a year ago :-|
... it's time I take a deeper look into it.
It should throw a RNF exception, not get there...

Anyway, the senderror part is wrong as you pointed out :-/

--
Nicola Ken Barozzi                   nicolaken@apache.org
            - verba volant, scripta manent -
   (discussions get forgotten, just code remains)
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