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https://issues.apache.org/jira/browse/HDFS-12028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16063457#comment-16063457
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Chen Liang commented on HDFS-12028:
-----------------------------------
Thanks [~xyao] for the comments. [~cheersyang] it seems to have resolved in my
environment, could you share a little bit more about how you got this? (e.g.
how and which commands you ran etc). Also, you may need to mvn clean and build
the whole thing again to make the patch take effect.
> Ozone: CLI: remove noisy slf4j binding output from hdfs oz command.
> -------------------------------------------------------------------
>
> Key: HDFS-12028
> URL: https://issues.apache.org/jira/browse/HDFS-12028
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Xiaoyu Yao
> Assignee: Chen Liang
> Attachments: HDFS-12028-HDFS-7240.001.patch
>
>
> Currently when you run CLI "hdfs oz ...", there always a noisy slf4j biding
> issue log output. This ticket is opened to removed it.
> {code}
> xyao$ hdfs oz
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in
> [jar:file:/Users/xyao/deploy/ozone/hadoop-3.0.0-alpha4-SNAPSHOT/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in
> [jar:file:/Users/xyao/deploy/ozone/hadoop-3.0.0-alpha4-SNAPSHOT/share/hadoop/hdfs/lib/logback-classic-1.0.10.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}
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