Changing categories for long-running application?

[ja...@cardsetc.com]

Folks,

Is it going to be possible to change the categories of an application
whilst it is still running? I would like to be able to turn on categories
for a class when it becomes necessary to debug a particular part of the
application, without having to restart it...

Regards,
James W.


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Re: Changing categories for long-running application?

[Paul Glezen <pg...@atdial.net>]

james.webster@cardsetc.com wrote:
> Is it going to be possible to change the categories of an application
> whilst it is still running? I would like to be able to turn on categories
> for a class when it becomes necessary to debug a particular part of the
> application, without having to restart it...
>
You can programmatically change attributes of log4j classes without any
problem.  It seems like you may be asking, "Can I change a config file
and have log4j change along with it, without having to restart the
app?"  You can also do this. Check out the configAndWatch method on the
configurator class.

- Paul
-- 
Beware of bugs in the above code.  I have
only proved it correct, not tried it.
-Don Knuth

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