Error: Error while processing statement: FAILED: Execution Error, return code 2 from org.apache.hado

1.解决步骤：打开 /tmp/root/hive.log查看日志，没有发现什么有用的 2.开启mapereduce 的histroy;  $sbin/mr_jobhistory_daemon.sh start historyserver 3.从jobhistory/job/job_1526113286554_0004的 Diagnostics: REDUCE capability required

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