hive可以進行如select * from t;簡單查詢;
一旦進行如select count(*) from t;就報錯Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask;
查看日誌如下:
2018-06-05 03:06:08,935 ERROR [main]: exec.Task (SessionState.java:printError(960)) - Ended Job = job_1528139042502_0001 with errors
2018-06-05 03:06:08,950 ERROR [Thread-28]: exec.Task (SessionState.java:printError(960)) - Error during job, obtaining debugging information...
在網上查找了n多解決方法,依然沒有解決。
問題已經解決,一般是hadoop的安裝出了問題,按照我的博文“