[jboss-jira] [JBoss JIRA] Commented: (JBAS-7490) cannot use logback-classic-0.9.17 inside a web application

[David Lloyd (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBAS-7490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12497347#action_12497347 ] 

David Lloyd commented on JBAS-7490:
-----------------------------------

Presently you can use the org.apache.log4j.Logger API if you need to change log levels; the backing logger behind slf4j logs to log4j in AS 5.1.  In 6.0, you can also use the JDK logging API interchangeably.  Is there any particular reason that it must be the logback API?

> cannot use logback-classic-0.9.17 inside a web application
> ----------------------------------------------------------
>
>                 Key: JBAS-7490
>                 URL: https://jira.jboss.org/jira/browse/JBAS-7490
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Logging
>    Affects Versions: JBossAS-5.1.0.GA
>         Environment: Windows XP
> $ java -version
> java version "1.6.0_12"
> Java(TM) SE Runtime Environment (build 1.6.0_12-b04)
> Java HotSpot(TM) Client VM (build 11.2-b01, mixed mode, sharing)
> 16:09:30,299 INFO  [ServerImpl] Starting JBoss (Microcontainer)...
> 16:09:30,299 INFO  [ServerImpl] Release ID: JBoss [The Oracle] 5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221634)
>            Reporter: Anton Kraev
>            Assignee: David Lloyd
>
> When bundling logback-classic-0.9.17.jar in a web application, the following is reported during startup:
> 2009-11-30 16:11:26,000 ERROR [STDERR] (main) SLF4J: Class path contains multiple SLF4J bindings.
> 2009-11-30 16:11:26,000 ERROR [STDERR] (main) SLF4J: Found binding in [vfszip:/D:/cw/jboss-5.1.0.GA/server/default/deploy/cwf.war/WEB-INF/lib/logback-classic-0.
> 9.17.jar/org/slf4j/impl/StaticLoggerBinder.class]
> 2009-11-30 16:11:26,000 ERROR [STDERR] (main) SLF4J: Found binding in [vfszip:/D:/cw/jboss-5.1.0.GA/common/lib/slf4j-jboss-logging.jar/org/slf4j/impl/StaticLogg
> erBinder.class]
> 2009-11-30 16:11:26,000 ERROR [STDERR] (main) SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
> We need access to logback APIs because we configure logging on the fly (change log levels without restarting the app), therefore we need to ship this jar, which in turn contains a static binding.

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