[logback-user] tomcat configuration - jndi selector initialization printed three times

Ceki Gülcü ceki at qos.ch
Tue Jan 25 20:57:54 CET 2011

Hello Markus,

Logback-access requires the Tomcat valve. Are you confusing 
logback-access and the JNDIContextSelector? The latter is a 
logback-classic feature and independent of logback-access.

Is there a copy of slf4-api.jar or logback-classic.jar in your web-app?

On 25/01/2011 8:52 PM, Markus Meisters wrote:
> Hi,
> just tried to set up logging with logback on tomcat6. When I start tomcat with my webapplication I get the message from
> the jndi context selector "searching for mylogback.xml" followed with
> status information lines 3 times within my catalina.out (the timestamps
>   are the same) and wonder if this as expected?
> What I did:
> - copied logback core, classic, access and the slf4j api libraries to
> tomcats lib folder. I added the valve to the server.xml (but no
> logback-access.xml right now). I added the
> "-Dlogback.ContextSelector=JNDI" within setenv.sh.
> Within web.xml I added the filter and listener as recommended, added both jndi env entries as stated within chapter 9.
> There is just one webapp running currently, but need to set up same webapp within same tomcat multiple times.
> Did I missed anything or do you have any idea why the message is displayed three times?
> Many thanks in advance
> Markus

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