SLF4J冲突hadoop与SLF4J:类路径包含多个Flume绑定
SLF4J冲突hadoop与SLF4J:类路径包含多个Flume绑定
提问于 2016-10-22 01:29:14
每次启动Flume时，我都会在Flume、Hive和Hadoop之间收到此消息。避免这种情况的最好方法是什么？我正在考虑从flume lib目录中删除一个jar，但不确定这是否会影响其他(hive，hadoop)。
Info: Sourcing environment configuration script /usr/local/flume/conf/flume-env.sh
Info: Including Hadoop libraries found via (/usr/local/hadoop/bin/hadoop) for HDFS access
+ exec /usr/java/jdk1.7.0_79/bin/java -Xms100m -Xmx200m -Dcom.sun.management.jmxremote -cp '/usr/local/flume/conf:/usr/local/flume/lib/*:/usr/local/hadoop/etc/hadoop:/usr/local/hadoop/share/hadoop/common/lib/*:/usr/local/hadoop/share/hadoop/common/*:/usr/local/hadoop/share/hadoop/hdfs:/usr/local/hadoop/share/hadoop/hdfs/lib/*:/usr/local/hadoop/share/hadoop/hdfs/*:/usr/local/hadoop/share/hadoop/yarn/lib/*:/usr/local/hadoop/share/hadoop/yarn/*:/usr/local/hadoop/share/hadoop/mapreduce/lib/*:/usr/local/hadoop/share/hadoop/mapreduce/*:/usr/local/hadoop/contrib/capacity-scheduler/*.jar' -Djava.library.path=:/usr/local/hadoop/lib/native org.apache.flume.node.Application --conf-file /usr/local/flume/conf/spooling3.properties --name agent1
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/flume/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.回答 1
Stack Overflow用户
发布于 2016-10-22 06:05:44
您提到的日志消息可能会被视为“普通警告消息”。(无错误。)
如果你看一看https://issues.apache.org/jira/browse/FLUME-2913，你可以看到更多的解释。
为Apache Flume构造类路径的方法是: HDFS bash脚本从HBase和bin/flume-ng收集所有类路径，并将它们与Flume自己的类路径组合在一起。
如果在任何地方有不同的slf4j jar，您将看到警告。
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原文链接：
https://stackoverflow.com/questions/40182370
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