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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16266) Do not throw ScannerTimeoutException when catch UnknownScannerException
Date Mon, 25 Jul 2016 18:25:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392432#comment-15392432
] 

Hudson commented on HBASE-16266:
--------------------------------

FAILURE: Integrated in HBase-1.3 #794 (See [https://builds.apache.org/job/HBase-1.3/794/])
HBASE-16266 Do not throw ScannerTimeoutException when catch (zhangduo: rev 36e99c04892bde5d8273146c7c445fea04a525cd)
* hbase-server/src/test/java/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.java
* hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestScannerTimeout.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java


> 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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