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https://issues.apache.org/jira/browse/HBASE-28759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Longping Jie resolved HBASE-28759.
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Resolution: Not A Bug
> SLF4J: Class path contains multiple SLF4J bindings.
> ---------------------------------------------------
>
> Key: HBASE-28759
> URL: https://issues.apache.org/jira/browse/HBASE-28759
> Project: HBase
> Issue Type: Improvement
> Components: logging
> Affects Versions: 2.6.0, 2.5.10
> Environment: hbase2.5.x 2.6.x
> hadoop3.3.6
> Reporter: Longping Jie
> Priority: Minor
>
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in
> [jar:file:/data/app/hadoop-3.3.6/share/hadoop/common/lib/slf4j-reload4j-1.7.36.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in
> [jar:file:/data/app/hbase-2.5.10/lib/client-facing-thirdparty/log4j-slf4j-impl-2.17.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See [http://www.slf4j.org/codes.html#multiple_bindings] for an
> explanation.
>
> The above log dependency conflict causes the regionserver to be unable to
> output logs after it is started.
> By default, in the hbase script file in the bin directory, the value of
> HBASE_DISABLE_HADOOP_CLASSPATH_LOOKUP is true, which will append the hadoop
> lib to the classpath. In this way, after the hbase process is started, the
> hadoop jar will be loaded, which may cause dependency conflicts.
> Is it possible to set the variable HBASE_DISABLE_HADOOP_CLASSPATH_LOOKUP in
> the hbase-env.sh file, set the default value to true, and only modify this
> value to false when necessary?
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