Re: [jetty-users] Jetty + Slf4j

[Diego Plentz <diego@xxxxxxxxxx>]

(If it's possible) I like the idea.

On Wed, Dec 9, 2009 at 10:46 PM, Hugues Malphettes <hmalphettes@xxxxxxxxxxx> wrote:

It is a warning: http://www.slf4j.org/codes.html#multiple_bindings
http://github.com/ceki/slf4j/blob/master/slf4j-api/src/main/java/org/slf4j/LoggerFactory.java#L114
http://github.com/ceki/slf4j/blob/master/slf4j-api/src/main/java/org/slf4j/LoggerFactory.java#L212

In my naive opinion if we are manipulating the classpath to isolate
org.slf4j in the server from the org.slf4j in the webapp.
Then we must do the same for org.sl4j.impl

That will really help.

In fact I would consider isolating org.apache.commons.logging,
org.apache.log4j and org.apache.log4j.spi while we are at it.

Forget it if it is a poor idea :)

Hugues

On Wed, Dec 9, 2009 at 2:20 PM, Greg Wilkins <gregw@xxxxxxxxxxx> wrote:
> Jan Bartel wrote:
>
>> Having upgraded to 1.5.8 of slf4j (I was using an old 1.3.1!) I can now
>> reproduce the situation with the "SLF4J: Class path contains multiple
>> SLF4J bindings." messages.
>
> Ceki Nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo!
>
> This was one of the stupid things about commons-logging that made us
> drop it after jetty-5.    It went hunting around the complex classloading
> structure of the application server to find multiple copies of itself
> and failed if it found them.
>
> Hopefully this is only a warning.
>
> cheers
>
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