reduce startup warnings

[afeld]

$ docker run --rm -it -p 10000:10000 \
     -v weehive_hadoop:/usr/local/hadoop/warehouse \
     -v weehive_meta:/usr/local/hadoop/metastore_db \
     weehive
Connecting to jdbc:hive2://
Hive Session ID = 99d00444-fb19-44dd-a0fc-61ad4b16b74e
19/02/18 09:39:57 [main]: WARN session.SessionState: METASTORE_FILTER_HOOK will be ignored, since hive.security.authorization.manager is set to instance of HiveAuthorizerFactory.
19/02/18 09:39:59 [main]: WARN util.DriverDataSource: Registered driver with driverClassName=org.apache.derby.jdbc.EmbeddedDriver was not found, trying direct instantiation.
19/02/18 09:39:59 [main]: WARN util.DriverDataSource: Registered driver with driverClassName=org.apache.derby.jdbc.EmbeddedDriver was not found, trying direct instantiation.
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:00 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
19/02/18 09:40:01 [main]: WARN DataNucleus.MetaData: Metadata has jdbc-type of null yet this is not valid. Ignored
Connected to: Apache Hive (version 3.1.1)
Driver: Hive JDBC (version 3.1.1)
Transaction isolation: TRANSACTION_REPEATABLE_READ
Beeline version 3.1.1 by Apache Hive
0: jdbc:hive2://>