Hi Sandro,
This is what we did for Weblogic 5.1. We created a startup class which was
defined to be the first to be loaded so that logging was always available.
I think you are right that there will be one VM per clustered box with its
own Log4J singleton.
Richard
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: 09 August 2001 07:30
To: LOG4J Users Mailing List
Subject: RE: log4j and J2EE problem
hi,
>>My understanding from the Weblogic documentation,
http://e-docs.bea.com/wls/docs61///programming/packaging.html#1051556, is
that Weblogic uses two classloaders per application. One for >>EJBs and
one for the webapp with the webapp's class loader being a child of the
EJB's class loader.
>>So, how are people initialing log4j so that there is a single singleton
per application in Weblogic?
>>James
as far as i understand log4j (that's perhaps wrong..??!!) is implemented as
a singleton (1 instance per vm).
so... the question is how many vm are running?? one for web-container and
one for ejb-container?? or one per weblogic-application?
i'm not that far in weblogic 6.1 but in weblogic 5.1 we had to write a
web-logic-startup-class to initialize log4j properly for each
cluster-instance (single-tier-cluster)
and there is only one app running on that cluster...
1 cluster-instance = 1 vm = 1 log4j-instance...?!
any comments?
sandro
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