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https://issues.apache.org/jira/browse/HBASE-17400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ted Yu resolved HBASE-17400.
----------------------------
Resolution: Cannot Reproduce
> TestHRegion#testWritesWhileScanning occasionally hangs in MVCC#.waitForRead()
> -----------------------------------------------------------------------------
>
> Key: HBASE-17400
> URL: https://issues.apache.org/jira/browse/HBASE-17400
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Attachments: testHRegion-0e4866.out,
> testHRegionWithInMemoryFlush-0e4866.out,
> testHRegionWithInMemoryFlush-output.0123
>
>
> Looping TestHRegionWithInMemoryFlush with commit
> 0e48665641b16cd9b250503696b926a568063654 , I got the following error at
> iteration #33:
> {code}
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 600.163 sec
> <<< FAILURE! - in
> org.apache.hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush
> org.apache.hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush Time
> elapsed: 600.019 sec <<< ERROR!
> org.junit.runners.model.TestTimedOutException: test timed out after 10 minutes
> at java.lang.Object.wait(Native Method)
> at
> org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.waitForRead(MultiVersionConcurrencyControl.java:218)
> at
> org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.completeAndWait(MultiVersionConcurrencyControl.java:149)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.getNextSequenceId(HRegion.java:2731)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalPrepareFlushCache(HRegion.java:2446)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2342)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2313)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2303)
> at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1600)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1505)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1455)
> at
> org.apache.hadoop.hbase.HBaseTestingUtility.closeRegionAndWAL(HBaseTestingUtility.java:374)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.testWritesWhileScanning(TestHRegion.java:3985)
> {code}
> See attached test output for details.
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