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https://issues.apache.org/jira/browse/HBASE-17495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15833828#comment-15833828
]
Ted Yu commented on HBASE-17495:
--------------------------------
With HBASE-17407 in place, the test still fails occasionally:
{code}
org.apache.hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush Time
elapsed: 600.016 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:2729)
at
org.apache.hadoop.hbase.regionserver.HRegion.internalPrepareFlushCache(HRegion.java:2447)
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:3693)
{code}
> TestHRegionWithInMemoryFlush#testFlushCacheWhileScanning intermittently fails
> due to assertion error
> ----------------------------------------------------------------------------------------------------
>
> Key: HBASE-17495
> URL: https://issues.apache.org/jira/browse/HBASE-17495
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Attachments: testHRegionWithInMemoryFlush-output.0119
>
>
> Looping through the test (based on commit
> 76dc957f64fa38ce88694054db7dbf590f368ae7), I saw the following test failure:
> {code}
> testFlushCacheWhileScanning(org.apache.hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush)
> Time elapsed: 0.53 sec <<< FAILURE!
> java.lang.AssertionError: toggle=false i=940 ts=1484852861597 expected:<94>
> but was:<92>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:645)
> at
> org.apache.hadoop.hbase.regionserver.TestHRegion.testFlushCacheWhileScanning(TestHRegion.java:3533)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> {code}
> See test output for details.
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