hive报FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask

hive可以进行如select * from t;简单查询; 一旦进行如select count(*) from t;就报错Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask; 查看日志如下: 2018-06-05 03:06:08,935 ERROR [main]: exec.Task
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