[HBASE-17495] TestHRegionWithInMemoryFlush#testFlushCacheWhileScanning intermittently fails due to assertion error

• Type: Test
• Status: Resolved
• Priority: Critical
• Resolution: Cannot Reproduce
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 19/Jan/17 19:13
• Updated: 07/Jun/17 00:39
• Resolved: 31/May/17 22:15

Description

Looping through the test (based on commit 76dc957f64fa38ce88694054db7dbf590f368ae7), I saw the following test failure:

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)

See test output for details.