[ 
https://issues.apache.org/jira/browse/HBASE-8153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627544#comment-13627544
 ] 

Nicolas Liochon commented on HBASE-8153:
----------------------------------------

Still there, for example on trunk build #4008
{noformat}
Failed 16 actions: FailedServerException: 16 times, 

Stacktrace

org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 16 
actions: FailedServerException: 16 times, 
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process$BatchErrors.makeException(HConnectionManager.java:2238)
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process$BatchErrors.rethrowIfAny(HConnectionManager.java:2222)
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process.processBatchCallback(HConnectionManager.java:2205)
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$Process.access$1000(HConnectionManager.java:1973)
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1962)
        at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1941)
        at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1035)
        at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:694)
        at org.apache.hadoop.hbase.client.HTable.put(HTable.java:682)
        at 
org.apache.hadoop.hbase.regionserver.TestJoinedScanners.testJoinedScanners(TestJoinedScanners.java:110)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        at org.junit.runners.Suite.runChild(Suite.java:127)
        at org.junit.runners.Suite.runChild(Suite.java:26)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
{noformat}

Logs are there: 
https://builds.apache.org/job/HBase-TRUNK/ws/trunk/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.regionserver.TestJoinedScanners-output.txt

[~xieliang007] are you working on this? If you spent some time on this, do you 
have any idea on the root cause?


                
> TestJoinedScanners fails occasionally
> -------------------------------------
>
>                 Key: HBASE-8153
>                 URL: https://issues.apache.org/jira/browse/HBASE-8153
>             Project: HBase
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.98.0
>            Reporter: Liang Xie
>
> see 
> https://builds.apache.org/job/PreCommit-HBASE-Build/4908//testReport/org.apache.hadoop.hbase.regionserver/TestJoinedScanners/testJoinedScanners/
> and HBASE-7845
> It should be a false alame, this's a placeholder to figure out the root cause.

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