How to execute showdatabases error report in hive

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Hive > show databases

FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. Java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.metastore.HiveMetaStoreClient

View log information:

. / hive-hiveconf hive.hadoop.logger=DEBUG,console (command to view log information in hive, I am a hadoop user natively)

Solution:

GRANT ALL PRIVILEGES ON *. * TO 'hadoop'@'master' IDENTIFIED BY' hadoop' WITH GRANT OPTION

Flush privileges

Finally, ok.

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