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https://issues.apache.org/jira/browse/HIVE-11408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694172#comment-14694172
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Hive QA commented on HIVE-11408:
--------------------------------
{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/12748199/HIVE-11408.1.patch
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 9348 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_index_bitmap_auto
{noformat}
Test results:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4938/testReport
Console output:
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/4938/console
Test logs:
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-4938/
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: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12748199 - PreCommit-HIVE-TRUNK-Build
> HiveServer2 is leaking ClassLoaders when add jar / temporary functions are
> used
> -------------------------------------------------------------------------------
>
> Key: HIVE-11408
> URL: https://issues.apache.org/jira/browse/HIVE-11408
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 0.13.0, 0.14.0, 0.13.1, 1.0.0, 1.1.1
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
> Attachments: HIVE-11408.1.patch
>
>
> I'm able to reproduce with 0.14. I'm yet to see if HIVE-10453 fixes the issue
> (since it's on top of a larger patch: HIVE-2573 that was added in 1.2).
> Basically, add jar creates a new classloader for loading the classes from the
> new jar and adds the new classloader to the SessionState object of user's
> session, making the older one its parent. Creating a temporary function uses
> the new classloader to load the class used for the function. On closing a
> session, although there is code to close the classloader for the session, I'm
> not seeing the new classloader getting GCed and from the heapdump I can see
> it holds on to the temporary function's class that should have gone away
> after the session close.
> Steps to reproduce:
> 1.
> {code}
> jdbc:hive2://localhost:10000/> add jar hdfs:///tmp/audf.jar;
> {code}
> 2.
> Use a profiler (I'm using yourkit) to verify that a new URLClassLoader was
> added.
> 3.
> {code}
> jdbc:hive2://localhost:10000/> CREATE TEMPORARY FUNCTION funcA AS
> 'org.gumashta.udf.AUDF';
> {code}
> 4.
> Close the jdbc session.
> 5.
> Take the memory snapshot and verify that the new URLClassLoader is indeed
> there and is holding onto the class it loaded (org.gumashta.udf.AUDF) for the
> session which we already closed.
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