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From Ceki Gülcü <c...@qos.ch>
Subject Re: AW: Multiple Log4J instances in one VM
Date Wed, 07 Aug 2002 08:44:17 GMT

Talk to them. If you can't, then make their config file less intrusive.

At 10:24 07.08.2002 +0200, you wrote:
>Hi,
>
>thanks for thinking about my problem. The thing is,
>that it is another company with other property files
>which also uses Log4J. That means, log4j needs to be
>configured twice...
>
>Andreas Hitzbleck
>
>-----Ursprüngliche Nachricht-----
>Von: Ceki Gülcü [mailto:ceki@qos.ch]
>Gesendet: Mittwoch, 7. August 2002 10:17
>An: Log4J Users List
>Betreff: RE: Multiple Log4J instances in one VM
>
>
>
>Hmm, that is not it either. I was thinking of simply checking whether
>log4j is already configured. If a component detects that log4j is
>configured, it should not configure log4j.
>
>Here is a more elaborate explanation:
>
>http://marc.theaimsgroup.com/?l=log4j-user&m=102775658930710&w=2
>
>
>At 09:01 07.08.2002 +0100, you wrote:
> >As Ceki points out, there are other ways of solving this, e.g. by using
> >different hierarchies for the different "programs".
> >
> >See e.g. org.apache.log4j.net.SocketServer for an example of how to obtain
> >this.
> >
> >--
> >
> >Thomas
> >
> >
> >
> >  | -----Original Message-----
> >  | From: Thomas Muller [mailto:ttm@online.no]
> >  | Sent: 07 August 2002 08:22
> >  | To: Log4J Users List
> >  | Subject: RE: Multiple Log4J instances in one VM
> >  |
> >  |
> >  |
> >  |
> >  |  | -----Original Message-----
> >  |  | From: Hitzbleck, Andreas (ext. Mitarbeiter)
> >  |  | [mailto:Andreas.Hitzbleck@KVB.de]
> >  |  | Sent: 07 August 2002 08:18
> >  |  | To: 'log4j-user@jakarta.apache.org'
> >  |  | Subject: Multiple Log4J instances in one VM
> >  |  |
> >  |  |
> >  |  | Hello list,
> >  |  |
> >  |  | I am developing a java program which is integrated in a big content
> >  |  | management system. Thus, our code runs with some other java programs
> >  |  | developed by other companies in one virtual mashine.
> >  |  |
> >  |  | Unfortunately, the Log4J initialization of one program of another
> >  |  | company overwrites our Log4J configuration or - if we start up
> >  |  | our program later - vice versa. I think that is because of the
> >  |  | statically implementation(s) of the configure() methods in
> >  |  | Property- Basic- and DOMConfigurator?
> >  |  |
> >  |  | Is there a way to solve this problem or to work around it? Would
> >  |  | it help to implement my own classloader and load the Log4J classes
> >  |  | through this loader?
> >  |
> >  | Yes - different classloaders can utilize different log4j libraries and
> >  | configurations.
> >  |
> >  | --
> >  |
> >  | Thomas
> >  |
> >  |
> >  |
> >  |
> >  |
> >  |
> >  |
>*************************************************************************
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> >
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> >Copyright ERA Technology Ltd. 2002. (www.era.co.uk). All rights reserved.
> >The information supplied in this email should be treated in confidence.
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>--
>Ceki
>
>
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--
Ceki


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