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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2022/07/01 21:07:00 UTC
[jira] [Resolved] (HBASE-14305) TestHRegion.testWritesWhileGetting hangs during Unit Testing
[ https://issues.apache.org/jira/browse/HBASE-14305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Kyle Purtell resolved HBASE-14305.
-----------------------------------------
Resolution: Incomplete
> TestHRegion.testWritesWhileGetting hangs during Unit Testing
> ------------------------------------------------------------
>
> Key: HBASE-14305
> URL: https://issues.apache.org/jira/browse/HBASE-14305
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Yu Li
> Priority: Major
>
> As titled, this failure is reported in a UT check by HadoopQA, below is part of the jstack output:
> {noformat}
> "main" prio=10 tid=0x00007fb77000a800 nid=0x5004 in Object.wait() [0x00007fb778799000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000007ee9a5260> (a java.util.LinkedList)
> at org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.waitForPreviousTransactionsComplete(MultiVersionConcurrencyControl.java:224)
> - locked <0x00000007ee9a5260> (a java.util.LinkedList)
> at org.apache.hadoop.hbase.regionserver.HRegion.internalPrepareFlushCache(HRegion.java:2254)
> at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2061)
> at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2026)
> at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2016)
> at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1423)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1344)
> - locked <0x00000007ee9c85e8> (a java.lang.Object)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1295)
> at org.apache.hadoop.hbase.HBaseTestingUtility.closeRegionAndWAL(HBaseTestingUtility.java:352)
> at org.apache.hadoop.hbase.regionserver.TestHRegion.testWritesWhileGetting(TestHRegion.java:3999)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {noformat}
> It seems waiting on waitQueue never got notified and cause the case a zombie
> Full jstack output please refer to [this link|https://builds.apache.org/job/PreCommit-HBASE-Build/15244//consoleFull]
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