Stefan Seifert wrote:
 > Hello Vadim.
 >
 > The Problem from the other thread is possibly related - but i do not
 > use saxon nor changed the default configuration of cocoon-2.0.3
 > concerning XSLT processor usage (at least i'm not aware of this - i
 > did some updates from earlier cocoon version, but always tried to get
 > all changed configurations from the new cocoon.xconf etc.).
 >
 > Again, my XML streams transformed are not that big (usually < 100kb),
 > and the resulting JPEG is really small (~2-3kb). But perhaps the bug
 > appears by either big XML input files or a long runtime (points to
 > small errors summing up and finally resulting in the error - but why
 > then a ClassCastException??).
 >
 > Unfortunately i have not found a way to reproduce the problem by
 > force; in that case i would try to debug it. Perhaps i will try to
 > "blow up" my XML input streams and see if i  can produce the problem
 > that way.

You could try...


 > But i'm not sure if it has really to do something with the
 > other thread.

May be not, but these ClassCastExceptions look very suspiciously to me.

Vadim


 > Stefan
 >
 >
 >
 >> -----Original Message----- From: Vadim Gritsenko
 >> [mailto:[EMAIL PROTECTED]] Sent: Wednesday, August 14,
 >> 2002 3:49 PM To: [EMAIL PROTECTED] Subject: Re: Strange
 >> error using JPEG/SVGSerializier under heavy load -
 >> ClassCastException
 >>
 >>
 >> Stefan Seifert wrote:
 >>
 >>
 >>> Configuration: Cocoon 2.0.3, Tomcat 3.2.3. We use the
 >>> SVGSerializer with JPEG-Output to generate
 >>
 >> graphical menus (we could not get the customer to use only plain
 >> text menus).
 >>
 >>> All works fine after a starting up tomcat. But after a few
 >>
 >> days (variing) without even touching the server the SVG Generantion
 >> fails with the Error below - a ClassCastException. Every following
 >> request of a JPEG generation failes with the same error.
 >>
 >>> All other requests processing only HTML still work!
 >>>
 >>> This error is very strange, because all works until the SVG
 >>
 >> Serialization seems to hang up totally (but only the SVG
 >> Serialization).
 >>
 >>> The memory utilisation is normal. There are no
 >>
 >> OutOfMemory-Erros or anything that points to a memory leak.
 >> Unfortunately it was not possible to reproduce this problem by
 >> force using a web stress tool, it only happens on the live servers
 >> and only after a few days.
 >>
 >>> After a tomcat restart all works well again.
 >>>
 >>> Any ideas? I searched the mailing lists of Cocoon and Batik
 >>
 >> but found hints.
 >>
 >>> We tried replacing the batik 1.5beta2 shipped with Cocoon
 >>
 >> 2.0.3 with the latest 1.5 beta3, same problem.
 >>
 >>>
 >>>
 >>
 >> I wonder is it related to this thread or not:
 >> http://marc.theaimsgroup.com/?t=102795224000002&r=1&w=2
 >>
 >> Vadim
 >>
 >>
 >>> Stefan
 >>
 > ...



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