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https://issues.apache.org/jira/browse/HBASE-15378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15188366#comment-15188366
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Hudson commented on HBASE-15378:
--------------------------------
FAILURE: Integrated in HBase-1.4 #10 (See
[https://builds.apache.org/job/HBase-1.4/10/])
HBASE-15378 Scanner cannot handle heartbeat message with no results (tedyu: rev
e103f75ae760680f66f45fe6ae9b9cd5173a3466)
*
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestScannerHeartbeatMessages.java
* hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
> Scanner cannot handle heartbeat message with no results
> -------------------------------------------------------
>
> Key: HBASE-15378
> URL: https://issues.apache.org/jira/browse/HBASE-15378
> Project: HBase
> Issue Type: Bug
> Components: dataloss, Scanners
> Affects Versions: 1.2.0, 1.1.3
> Reporter: Phil Yang
> Assignee: Phil Yang
> Priority: Critical
> Fix For: 2.0.0, 1.3.0, 1.2.1, 1.4.0
>
> Attachments: HBASE-15378-v1.txt, HBASE-15378-v2.txt,
> HBASE-15378-v3.txt, HBASE-15378-v4.patch, HBASE-15378-v5.patch,
> HBASE-15378-v6.patch
>
>
> When a RS scanner get a TIME_LIMIT_REACHED_MID_ROW state, they will stop
> scanning and send back what it has read to client and mark the message as a
> heartbeat message. If there is no cell has been read, it will be an empty
> response.
> However, ClientScanner only handles the situation that the client gets an
> empty heartbeat and its cache is not empty. If the cache is empty too, it
> will be regarded as end-of-region and open a new scanner for next region.
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