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https://issues.apache.org/jira/browse/PIO-100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16079912#comment-16079912
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ASF GitHub Bot commented on PIO-100:
------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/incubator-predictionio/pull/404
> Remove SLF4J warning messages on pio command
> ---------------------------------------------
>
> Key: PIO-100
> URL: https://issues.apache.org/jira/browse/PIO-100
> Project: PredictionIO
> Issue Type: Improvement
> Reporter: Shinsuke Sugaya
> Assignee: Shinsuke Sugaya
> Priority: Minor
>
> pio command prints SLF4J warning as below:
> {code}
> $ /usr/share/predictionio/bin/pio status
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in
> [jar:file:/usr/share/predictionio/lib/spark/pio-data-hdfs-assembly-0.11.1-v1-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in
> [jar:file:/usr/share/predictionio/lib/pio-assembly-0.11.1-v1-SNAPSHOT.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]
> ...
> {code}
> The cause is that pio-data-hdfs contains slf4j-log4j12 jar file.
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