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Hive in embedded mode has a limitation of one active user at a time. You may want to run Derby as a Network Server, this way multiple users can access it simultaneously from different systems.
See Metadata Store and Embedded Metastore for more information.
Download Derby
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cd /opt/hadoop/db-derby-10.4.1.3-bin/data # If youryou are using JDK 1.7u51+, you'll need to either specifyingspecify an ephemeral port (typically between 49152 and 65535) # or add a grant to your JDK version's java.policy file. # See http://stackoverflow.com/questions/21154400/unable-to-start-derby-database-from-netbeans-7-4 for details. nohup /opt/hadoop/db-derby-10.4.1.3-bin/startNetworkServer -h 0.0.0.0 & |
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