Details
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Bug
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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None
Description
I've noticed that when there is an underlying issue in connecting a client to the JDBC interface of the HiveServer2 to run queries, you get a hang after the thrift portion, at least in certain scenarios:
Turning log4j to DEBUG, you can see the following when trying to get a connection using:
Connection jdbc = DriverManager.getConnection(this.con,"hive","password"); "jdbc:hive2://localhost:10000/default",
The logs get to here before the hang :
0 [main] DEBUG org.apache.thrift.transport.TSaslTransport - opening transport org.apache.thrift.transport.TSaslClientTransport@219ba640 0 [main] DEBUG org.apache.thrift.transport.TSaslTransport - opening transport org.apache.thrift.transport.TSaslClientTransport@219ba640 3 [main] DEBUG org.apache.thrift.transport.TSaslClientTransport - Sending mechanism name PLAIN and initial response of length 14 3 [main] DEBUG org.apache.thrift.transport.TSaslClientTransport - Sending mechanism name PLAIN and initial response of length 14 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Writing message with status START and payload length 5 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Writing message with status START and payload length 5 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Writing message with status COMPLETE and payload length 14 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Writing message with status COMPLETE and payload length 14 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Start message handled 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Start message handled 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Main negotiation loop complete 5 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: Main negotiation loop complete 6 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: SASL Client receiving last message 6 [main] DEBUG org.apache.thrift.transport.TSaslTransport - CLIENT: SASL Client receiving last message