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From "Robert Hofstra (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2104) No exception thrown while during scanning no connection can be made to the regionserver
Date Fri, 15 Jan 2010 14:09:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800706#action_12800706
] 

Robert Hofstra commented on HBASE-2104:
---------------------------------------

In our case, we building a lucune search index with a hadoop from entries in hbase 
When a regionserver is stopped (because it's having problems) this index is smaller, because
not all entries are included. 

What I expected, is a failed task in hadoop. Which result in a a new attempt to process the
task, which could succeed, when another regionserver is serving the region.

> No exception thrown while during scanning no connection can be made to the regionserver
> ---------------------------------------------------------------------------------------
>
>                 Key: HBASE-2104
>                 URL: https://issues.apache.org/jira/browse/HBASE-2104
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.20.1
>            Reporter: Robert Hofstra
>
> When a regionservers is stopped (shutdown or crash) and on the same moment a client performs
a scan on that regionserver no exception is thrown at client side nor a reconnect toanother
regionsserver is tried.
> The ResultScanner.Iterator.hasNext ()just returns false, so the client assumes that there
are no records anymore.
> In the ScannerCallable.call I notice that the java.net.ConnectionException is catched
and a empyt Result array is returned.

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