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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/04/04 16:52:00 UTC

[jira] [Work logged] (HADOOP-18192) Fix multiple_bindings warning about slf4j-reload4j

     [ https://issues.apache.org/jira/browse/HADOOP-18192?focusedWorklogId=752367&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-752367 ]

ASF GitHub Bot logged work on HADOOP-18192:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Apr/22 16:51
            Start Date: 04/Apr/22 16:51
    Worklog Time Spent: 10m 
      Work Description: iwasakims opened a new pull request, #4136:
URL: https://github.com/apache/hadoop/pull/4136

   https://issues.apache.org/jira/browse/HADOOP-18192
   
   Jar of slf4j-relad4j exists in libdirs of both common and hdfs.
   
   ```
   $ ~/dist/hadoop-3.2.4-SNAPSHOT/bin/hdfs dfs -ls /
   SLF4J: Class path contains multiple SLF4J bindings.
   SLF4J: Found binding in [jar:file:/ext/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar!/org/slf4j/impl/StaticLoggerBinder.class]
   SLF4J: Found binding in [jar:file:/ext/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/hdfs/lib/slf4j-reload4j-1.7.35.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.Reload4jLoggerFactory]
   
   
   $ find ~/dist/hadoop-3.2.4-SNAPSHOT/ -name 'slf4j-reload4j-*.jar'
   /home/centos/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar
   /home/centos/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/hdfs/lib/slf4j-reload4j-1.7.35.jar
   ```
   
   We need to update the part referring to slf4j-log4j12 in files under hadoop-assemblies too.




Issue Time Tracking
-------------------

            Worklog Id:     (was: 752367)
    Remaining Estimate: 0h
            Time Spent: 10m

> Fix multiple_bindings warning about slf4j-reload4j
> --------------------------------------------------
>
>                 Key: HADOOP-18192
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18192
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Masatake Iwasaki
>            Assignee: Masatake Iwasaki
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Jar of slf4j-relad4j exists in libdirs of both common and hdfs.
> {noformat}
> $ ~/dist/hadoop-3.2.4-SNAPSHOT/bin/hdfs dfs -ls /
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in [jar:file:/ext/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in [jar:file:/ext/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/hdfs/lib/slf4j-reload4j-1.7.35.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.Reload4jLoggerFactory]
> $ find ~/dist/hadoop-3.2.4-SNAPSHOT/ -name 'slf4j-reload4j-*.jar'
> /home/centos/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar
> /home/centos/dist/hadoop-3.2.4-SNAPSHOT/share/hadoop/hdfs/lib/slf4j-reload4j-1.7.35.jar
> {noformat}



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