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Warning: $HADOOP_HOME is deprecated. 关闭

 
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添加   export HADOOP_HOME_WARN_SUPPRESS=TRUE 到 hadoop-env.sh  中

 

注意要添加到集群中每一个节点中。

 

版本:hadoop 0.20.205

 

原因: Hadoop 在bin/hadoop-config.sh 中对HADOOP_HOME 进行了判断

 

判断发生的地方:

# the root of the Hadoop installation

export HADOOP_PREFIX=`dirname "$this"`/..

export HADOOP_HOME=${HADOOP_PREFIX}

 

 

报出错误的地方: bin /hadoop

if [ "$HADOOP_HOME_WARN_SUPPRESS" == "" ] && [ "$HADOOP_HOME" != "" ]; then

  echo "Warning: \$HADOOP_HOME is deprecated." 1>&2

 

 

留着异常也无所谓不会对程序的正常运行产生影响。

 

 

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