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https://issues.apache.org/jira/browse/HBASE-16266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392113#comment-15392113
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stack commented on HBASE-16266:
-------------------------------
Thanks [~Apache9] (and thanks for the considered fix [~yangzhe1991])
> Do not throw ScannerTimeoutException when catch UnknownScannerException
> -----------------------------------------------------------------------
>
> Key: HBASE-16266
> URL: https://issues.apache.org/jira/browse/HBASE-16266
> Project: HBase
> Issue Type: Improvement
> Components: Client, Scanners
> Affects Versions: 2.0.0, 1.3.0, 1.4.0, 1.2.2, 1.1.6
> Reporter: Phil Yang
> Assignee: Phil Yang
> Fix For: 2.0.0, 1.3.0, 1.4.0, 1.2.3, 1.1.7
>
> Attachments: HBASE-16266-v1.patch, HBASE-16266-v2.patch,
> HBASE-16266-v3.patch
>
>
> Now in scanner we have heartbeat to prevent timeout. The time blocked on
> ResultScanner.next() may much longer than scanner timeout. So it is no need
> any more to throw ScannerTimeoutException when server throws
> UnknownScannerException, we can just reset the scanner like
> NotServingRegionException
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