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https://issues.apache.org/jira/browse/HADOOP-15159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16314375#comment-16314375
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Allen Wittenauer commented on HADOOP-15159:
-------------------------------------------
There is a (trivial) bug here. That said, the line you've got uncommented is
the default. So re-commenting it will get you working again.
> hadoop_connect_to_hosts shouldn't fail if both HADOOP_WORKERS and
> HADOOP_WORKERS_NAMES are defined
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-15159
> URL: https://issues.apache.org/jira/browse/HADOOP-15159
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.0.0
> Environment: hadoop 3.0.0
> Reporter: gehaijiang
>
> run ./stop-dfs.sh
> ERROR: Both HADOOP_WORKERS and HADOOP_WORKER_NAMES were defined. Aborting.
> Stopping datanodes
> 10.50.132.147: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.151: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.146: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.150: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.154: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.145: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.152: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.148: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.149: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> 10.50.132.153: WARNING: HADOOP_DATANODE_OPTS has been replaced by
> HDFS_DATANODE_OPTS. Using value of HADOOP_DATANODE_OPTS.
> Stopping journal nodes [10.50.132.145 10.50.132.146 10.50.132.147]
> ERROR: Both HADOOP_WORKERS and HADOOP_WORKER_NAMES were defined. Aborting.
> Stopping ZK Failover Controllers on NN hosts [10.50.132.145 10.50.132.146
> 10.50.132.147]
> ERROR: Both HADOOP_WORKERS and HADOOP_WORKER_NAMES were defined. Aborting.
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