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Error reporting environment:

The hive service integrated in CDH starts to report an error, so initialize the metadata

Configuration file: /etc/hive/conf hive site. XML

Command directory: /opt/cloudera/parcels/cdh-5.15.1-1. Cdh5.15.1. P0.4/lib/hive/bin

Error reporting:

An error is reported when executing the following command:

./schematool -dbType mysql -initSchema

[root@master bin]# ./schematool -dbType mysql -initSchema
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512M; support was removed in 8.0
which: no hbase in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/java/jdk1.8.0_191/bin:/root/bin)
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512M; support was removed in 8.0
Metastore connection URL:     jdbc:mysql://192.168.52.26:3306/hive
Metastore Connection Driver :     com.mysql.jdbc.Driver
Metastore connection User:     APP
org.apache.hadoop.hive.metastore.HiveMetaException: Failed to get schema version.
*** schemaTool failed ***

Solution:

Add the following to the hive-site.xml file

<property>
      <name>javax.jdo.option.ConnectionURL</name>
      <value>jdbc:mysql://192.168.52.26:3306/hive</value>
  </property>
  <property>
      <name>javax.jdo.option.ConnectionDriverName</name>
      <value>com.mysql.jdbc.Driver</value>
  </property>
  <property>
      <name>javax.jdo.option.ConnectionUserName</name>
      <value>root</value>
  </property>
  <property>
      <name>javax.jdo.option.ConnectionPassword</name>
      <value>root</value>
  </property>

After saving, execute the command again