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https://issues.apache.org/jira/browse/HIVE-6852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516998#comment-14516998
 ] 

Vladimir Kovalchuk commented on HIVE-6852:
------------------------------------------

100% reproducible.
...
"main" #1 prio=5 os_prio=0 tid=0x0000000001e78000 nid=0x255c runnable 
[0x0000000002bee000]
   java.lang.Thread.State: RUNNABLE
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.net.SocketInputStream.read(SocketInputStream.java:170)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
        - locked <0x00000000d63658d8> (a java.io.BufferedInputStream)
        at 
org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:127)
        at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
        at 
org.apache.thrift.transport.TSaslTransport.receiveSaslMessage(TSaslTransport.java:178)
        at 
org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:288)
        at 
org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37)
        at 
org.apache.hive.jdbc.HiveConnection.openTransport(HiveConnection.java:190)
        at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:163)
        at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
...

> JDBC client connections hang at TSaslTransport
> ----------------------------------------------
>
>                 Key: HIVE-6852
>                 URL: https://issues.apache.org/jira/browse/HIVE-6852
>             Project: Hive
>          Issue Type: Bug
>          Components: JDBC
>            Reporter: jay vyas
>
> 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:
> {noformat}
>         Connection jdbc = 
> DriverManager.getConnection(this.con,"hive","password");
>         "jdbc:hive2://localhost:10000/default",
> {noformat}
> The logs get to here before the hang :
> {noformat}
> 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
> {noformat}



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