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From Remy Maucherat <r...@apache.org>
Subject Re: commons-logging infinite loop w/5.5.9
Date Tue, 23 Aug 2005 07:17:32 GMT
Nathan Bubna wrote:
> hey folks,
> 
> i'm a developer on the VelocityTools subproject, and we recently came
> across an issue with the use of commons-logging in Tomcat 5.5.9.
> 
> by default, we configure our example applications to use an adapter
> between commons-logging and Velocity's LogSystem.  this way, those of
> our tools which require logging are able to send messages to
> commons-logging and they get passed of to the LogSystem that the rest
> of Velocity is using (without having to pass that LogSystem around). 
> We also, by default, configure our VelocityViewServlet (the core class
> of VelocityTools) to automatically send LogSystem messages to the
> servlet log.
> 
> so, messages sent to c-l are sent the the Velocity LogSystem which
> sends the messages to the servlet log.
> 
> this works just dandy for everyone in Tomcat 5.0.x, but when we deploy
> our very minimal example applications in Tomcat 5.5.9, we promptly
> receive stack overflows and out of memory errors that appear to be a
> nasty little commons-logging loop.
> 
> can somebody help me figure out what change between 5.0 and 5.5 is
> causing this?  and further, what can be done about it?  i'm still not
> even sure whether to consider this a bug in our design or in Tomcat.
> 
> any help would be much appreciated!

In Tomcat 5.5, everything is logged to commons-logging, so the loop you 
get is to be expected.

Rémy

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