hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Yu <yuzhih...@gmail.com>
Subject Re: NPE in ReplicationZKLockCleanerChore
Date Thu, 06 Jul 2017 00:52:53 GMT
Which hbase release are you using (so that I can find the exact location
where NPE came from) ?

Do you see NPE repeatedly ?
If so, replication lock cleaning would not make progress.

On Wed, Jul 5, 2017 at 5:29 PM, Kang Minwoo <minwoo.kang@outlook.com> wrote:

> Hello, HBase Users.
>
> While I am watching HMaster log, I found NullPointerException Logs.
>
> --------
>
> 2017-07-06 09:05:02,579 DEBUG [,1498445640728_ChoreService_1]
> cleaner.CleanerChore: Removing: hdfs://*** from archive
> 2017-07-06 09:05:02,585 ERROR [,1498445640728_ChoreService_2]
> hbase.ScheduledChore: Caught error
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.master.cleaner.
> ReplicationZKLockCleanerChore.chore(ReplicationZKLockCleanerChore.java:80)
>         at org.apache.hadoop.hbase.ScheduledChore.run(
> ScheduledChore.java:185)
>         at java.util.concurrent.Executors$RunnableAdapter.
> call(Executors.java:471)
>         at java.util.concurrent.FutureTask.runAndReset(
> FutureTask.java:304)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$
> ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$
> ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>         at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$
> JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecu
> torImpl.java:110)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(
> ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)
> 2017-07-06 09:05:02,585 DEBUG [,1498445640728_ChoreService_1]
> cleaner.CleanerChore: Removing: hdfs://*** from archive
> 2017-07-06 09:05:02,586 DEBUG [,1498445640728_ChoreService_1]
> cleaner.CleanerChore: Removing: hdfs://*** from archive
>
> --------
>
> I wonder what side effects this error gives HBase.
>
> Best regards,
> Minwoo Kang
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message