Masatake Iwasaki created HADOOP-18192:
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Summary: Fix multiple_bindings warning about slf4j-relad4j
Key: HADOOP-18192
URL: https://issues.apache.org/jira/browse/HADOOP-18192
Project: Hadoop Common
Issue Type: Bug
Reporter: Masatake Iwasaki
Assignee: Masatake Iwasaki
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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