Hive报错:FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
2016-11-28 10:27
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Hive报错，主要错误信息：
java.sql.SQLException: Error while processing statement: FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
原因分析：
Hive sql语句过长，并在sql中调用自己本身执行SQL的时候由于Hive是分布式的，MapReduce在不同的机器上运行的快慢有别，Hive识别新老数据的时候出现错误。
解决办法：
将Hive Sql进行拆分，可以创建一个临时表进行中转
java.sql.SQLException: Error while processing statement: FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
原因分析：
Hive sql语句过长，并在sql中调用自己本身执行SQL的时候由于Hive是分布式的，MapReduce在不同的机器上运行的快慢有别，Hive识别新老数据的时候出现错误。
解决办法：
将Hive Sql进行拆分，可以创建一个临时表进行中转
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