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https://issues.apache.org/jira/browse/HBASE-15711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yu Li updated HBASE-15711:
--------------------------
    Status: Patch Available  (was: Open)

Submit patch for HadoopQA

> Add client side property to allow logging details for batch errors
> ------------------------------------------------------------------
>
>                 Key: HBASE-15711
>                 URL: https://issues.apache.org/jira/browse/HBASE-15711
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Yu Li
>            Assignee: Yu Li
>         Attachments: HBASE-15711.patch
>
>
> Recently we observed below error message on client side when put process 
> blocked:
> {noformat}
> 2016-04-26 10:27:11,707 ERROR [Sink: Unnamed (1/1)] 
> com.alibaba.search.blink.streaming.connector.hbase.HBaseOutputFormat: Doing 
> mutation failed
> org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException: Failed 1 
> action: IOException: 1 time,
>         at 
> org.apache.hadoop.hbase.client.AsyncProcess$BatchErrors.makeException(AsyncProcess.java:228)
>         at 
> org.apache.hadoop.hbase.client.AsyncProcess$BatchErrors.access$1700(AsyncProcess.java:208)
>         at 
> org.apache.hadoop.hbase.client.AsyncProcess.waitForAllPreviousOpsAndReset(AsyncProcess.java:1694)
>         at 
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:208)
>         at 
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.flush(BufferedMutatorImpl.java:183)
> {noformat}
> And checking RS logs we found nothing noticable. After adding some logging to 
> show the detailed exception, it turns out something went wrong in one of our 
> coprocessors:
> {noformat}
> 2016-04-26 12:03:13,776 ERROR [Sink: Unnamed (1/1)] 
> org.apache.hadoop.hbase.client.AsyncProcess: Exception occurred! Exception 
> details: [java.io.IOException: java.io.IOException: notify meta has not load 
> success.
>         at 
> com.taobao.kart.coprocessor.server.CoprocessorNotifyMeta.checkMetaLoadSuccess(CoprocessorNotifyMeta.java:38)
>         at 
> com.taobao.kart.coprocessor.server.NotifyQualifySetter.updatePut(NotifyQualifySetter.java:47)
>         at 
> com.taobao.kart.coprocessor.server.NotifyQualifySetter.updatePut(NotifyQualifySetter.java:39)
>         at 
> com.taobao.kart.coprocessor.server.KartCoprocessor.prePut(KartCoprocessor.java:176)
>         at 
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$30.call(RegionCoprocessorHost.java:902)
>         at 
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1673)
>         at 
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1748)
>         at 
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1705)
>         at 
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:898)
>         at 
> org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:2890)
>         at 
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2865)
> {noformat}
> So in this JIRA we propose to add a property to allow logging detailed 
> exception stacktrace rather than statistics for batch errors, and I believe 
> this would be useful for debugging in some cases.



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