[jira] [Resolved] (HBASE-22047) LeaseException in Scan should be retired

["Duo Zhang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-22047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang resolved HBASE-22047.
-------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed

> LeaseException in Scan should be retired
> ----------------------------------------
>
>                 Key: HBASE-22047
>                 URL: https://issues.apache.org/jira/browse/HBASE-22047
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.2.0, 2.0.4, 2.1.3
>            Reporter: Allan Yang
>            Assignee: Igor Rudenko
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0, 2.1.5, 2.2.1
>
>
> We should retry LeaseException just like other exceptions like OutOfOrderScannerNextException and UnknownScannerException
> Code in ClientScanner：
> {code:java}
> if ((cause != null && cause instanceof NotServingRegionException) ||
>         (cause != null && cause instanceof RegionServerStoppedException) ||
>         e instanceof OutOfOrderScannerNextException || e instanceof UnknownScannerException ||
>         e instanceof ScannerResetException) {
>       // Pass. It is easier writing the if loop test as list of what is allowed rather than
>       // as a list of what is not allowed... so if in here, it means we do not throw.
>       if (retriesLeft <= 0) {
>         throw e; // no more retries
>       }
> {code}



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