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From Ted Yu <yuzhih...@gmail.com>
Subject Re: RegionServer failed in logsplitting, wal.HLogSplitter: Got while writing log entry to log
Date Mon, 25 Aug 2014 03:03:18 GMT
What release of HBase are you using ?

Do you see other exceptions in machine1 server log ?

Please check namenode log as well.

Cheers


On Sun, Aug 24, 2014 at 6:37 PM, sreenivasulu y <sreenivasulu.y@huawei.com>
wrote:

> Hi,
>
> I am running a cluster with 4 node and  HDFS in HA mode.
> Machine1, machine2, machine3 and machine4.
> And I am performing the following operations respectively.
> 1. create table with precreated regions.
> 2. insert 1000 records into the table.
> 3. Disable the table.
> 4. Modify the table.
> 5. enable the table.
> 6. disable and delete the table.
>
> While performing the above operations step3 and step4, machine3
> regionserver went down.
> But in machine1 thrown the following error
> 2014-07-11 08:23:58,933 FATAL
> [RS_LOG_REPLAY_OPS-HOST-10-18-40-69:60020-0-Writer-10] wal.HLogSplitter:
> Got while writing log entry to log
> java.io.IOException: cannot get log writer
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createWriter(HLogFactory.java:197)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogFactory.createRecoveredEditsWriter(HLogFactory.java:182)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.createWriter(HLogSplitter.java:643)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogRecoveredEditsOutputSink.createWAP(HLogSplitter.java:1223)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogRecoveredEditsOutputSink.getWriterAndPath(HLogSplitter.java:1200)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogRecoveredEditsOutputSink.append(HLogSplitter.java:1243)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.writeBuffer(HLogSplitter.java:851)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.doRun(HLogSplitter.java:843)
>         at
> org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$WriterThread.run(HLogSplitter.java:813)
> and machine 1 also down..
>
> please help me why the machine1 regionserver went down.
>
>
>
>
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