[
https://issues.apache.org/jira/browse/HIVE-8830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207509#comment-14207509
]
Thejas M Nair commented on HIVE-8830:
-------------------------------------
In the jstack output, the following non daemon thread was seen . -
{code}
"pool-1-thread-1" prio=10 tid=0x00007f6b793a4800 nid=0x3030 waiting on
condition [0x00007f6b741dc000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000e09fdc28> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082)
at
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090)
at
java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
Verified manually that this patch fixes the hanging issue.
> hcatalog process don't exit because of non daemon thread
> --------------------------------------------------------
>
> Key: HIVE-8830
> URL: https://issues.apache.org/jira/browse/HIVE-8830
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.14.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.15.0
>
> Attachments: HIVE-8830.1.patch
>
>
> HiveClientCache has a cleanup thread which is not a daemon. It can cause hcat
> client process to hang even after the complete.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
