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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2926) Multiple slf4j bindings warning
Date Thu, 19 Jun 2014 01:06:24 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036774#comment-14036774
] 

Christopher Tubbs commented on ACCUMULO-2926:
---------------------------------------------

You will need to update your classpath to only include one. This has already been updated
in 1.6.1 and later's classpath template at conf/templates/accumulo-site.xml in ACCUMULO-2808.
For the other example config files, we should do ACCUMULO-2646.

> Multiple slf4j bindings warning
> -------------------------------
>
>                 Key: ACCUMULO-2926
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2926
>             Project: Accumulo
>          Issue Type: Bug
>         Environment: apache hadoop 2.4.0
>            Reporter: Josh Elser
>            Assignee: Christopher Tubbs
>             Fix For: 1.6.1, 1.7.0
>
>
> ACCUMULO-2808 introduced slf4j-log4j12 into Accumulo's classpath which clashes with the
hadoop provided slf4j-log4j12 which prints out the lovely below message way too frequently.
> {noformat}
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in [jar:file:/usr/local/lib/slf4j-log4j12.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in [jar:file:/usr/local/lib/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
> {noformat}
> I'm seeing this in master, but I imagine it also exists in 1.6.1.



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