What if hive throws the wrong Wrong FS after configuring HDFS HA
Editor to share with you after the configuration of HDFS HA hive throw wrong Wrong FS how to do, I believe that most people do not understand, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!
1. Question:
In CDH5.x or Apache environment, when HA of NameNode is configured, Hive does not query data normally.
The following exception occurs in the Hive query:
FAILED: SemanticException Unable to determine if hdfs://hadoop-01:8020/user/hive/warehouse/t1
Is encrypted: java.lang.IllegalArgumentException: Wrong FS: hdfs://hadoop-01:8020/user/hive/warehouse/t1, expected: hdfs://nameservice1
two。 Resolve:
The problem with Hive metadata, there are two tables in the Hive database:
DBS: the total path of the Hive data warehouse
SDS: Hive the path corresponding to each table
a. Enter mysql
B.use hive
c. Modify dbs and sds tables
Update DBS set DB_LOCATION_URI=REPLACE (DB_LOCATION_URI,'hadoop-01:8020','nameservice1')
Update SDS set LOCATION=REPLACE (LOCATION,'hadoop-01:8020','nameservice1')
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