Roman Shaposhnik created HBASE-5858:
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Summary: When HBase gets executed against Hadoop 2.X
"SLF4j:CLASSPATH contains multiple SLF4j binding" warning is displayed
Key: HBASE-5858
URL: https://issues.apache.org/jira/browse/HBASE-5858
Project: HBase
Issue Type: Bug
Components: scripts
Affects Versions: 0.92.1, 0.92.0
Reporter: Roman Shaposhnik
Assignee: Roman Shaposhnik
Priority: Minor
Since HBase tries to find locations of the Hadoop jars from the environment in
certain cases it ends up with extra SLF4j jars coming from Hadoop classpath.
When that happens "SLF4j:CLASSPATH contains multiple SLF4j binding" warning
gets displayed.
The good news here is that the warning is just that -- a warning. The bad news
is that it seems this issue will be tricky to fix properly. On one hand we
would like Hadoop itself to give us transitive closure of the set of jar files
required (computing that in the HBase script is a maintenance nightmare). On
the other hand that set of jar files could contain some of the very same jars
shipped with HBase.
This problem existed for quiet some time. SLF4j is just the first component to
complain.
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