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https://issues.apache.org/jira/browse/HIVE-10835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562345#comment-14562345
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Hive QA commented on HIVE-10835:
--------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12735658/HIVE-10835.patch
{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 8975 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_fold_case
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_schemeAuthority
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4069/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4069/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-4069/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 2 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12735658 - PreCommit-HIVE-TRUNK-Build
> Concurrency issues in JDBC driver
> ---------------------------------
>
> Key: HIVE-10835
> URL: https://issues.apache.org/jira/browse/HIVE-10835
> Project: Hive
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 1.2.0
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Attachments: HIVE-10835.patch
>
>
> Though JDBC specification specifies that "Each Connection object can create
> multiple Statement objects that may be used concurrently by the program", but
> that does not work in current Hive JDBC driver. In addition, there also exist
> race conditions between DatabaseMetaData, Statement and ResultSet as long as
> they make RPC calls to HS2 using same Thrift transport, which happens within
> a connection.
> So we need a connection level lock to serialize all these RPC calls in a
> connection.
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