[jira] [Resolved] (HBASE-22944) TableNotFoundException: hbase:quota is thrown when region server is restarted.

["Josh Elser (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-22944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Elser resolved HBASE-22944.
--------------------------------
    Fix Version/s: 2.2.2
                   2.1.7
                   2.3.0
                   3.0.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Thanks for the fix, Shardul!

> TableNotFoundException: hbase:quota  is thrown when region server is restarted.
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-22944
>                 URL: https://issues.apache.org/jira/browse/HBASE-22944
>             Project: HBase
>          Issue Type: Bug
>          Components: Quotas
>            Reporter: Shardul Singh
>            Assignee: Shardul Singh
>            Priority: Minor
>             Fix For: 3.0.0, 2.3.0, 2.1.7, 2.2.2
>
>
> During Master startup if quota feature is enabled and region server is running TableNotFoundException occurs in regionServer logs
> SpaceQuotaRefresherChore does not checks whether hbase:quota table is present,before starting its operation which sometimes may result to TableNotFoundExceptions like below.
> This is because master has not created the hbase:quota table and SpaceQuotaRefresherChore is running.
> {code:java}
> java.io.UncheckedIOException: org.apache.hadoop.hbase.
> TableNotFoundException: hbase:quota
> at org.apache.hadoop.hbase.client.ResultScanner$1.hasNext(ResultScanner.java:55)
>  at org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.fetchSnapshotsFromQuotaTable(SpaceQuotaRefresherChore.java:170)
>  at org.apache.hadoop.hbase.quotas.SpaceQuotaRefresherChore.chore(SpaceQuotaRefresherChore.java:84)
>  at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
>  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>  at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
>  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>  at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  at java.lang.Thread.run(Thread.java:748)
> {code}
>  



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