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From "Jonathan Lawlor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13444) IntegrationTestBigLinkedList from branch-1 can't talk to a cluster running branch-1.0
Date Fri, 10 Apr 2015 00:02:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14488559#comment-14488559
] 

Jonathan Lawlor commented on HBASE-13444:
-----------------------------------------

I have seen the UnknownScannerException in cases where there are significant delays client
side (delays significant enough that the scanner lease expires server side).

[~stack] Let me give that configuration a shot and see if I can reproduce this issue

[~rajesh0042] Just to confirm, this is 100% reproducible in your setup? Also, did you happen
to see any logs from RSRpcServices of the form:

{quote}
Scanner ___ lease expired on region 
{quote}

> IntegrationTestBigLinkedList from branch-1 can't talk to a cluster running branch-1.0
> -------------------------------------------------------------------------------------
>
>                 Key: HBASE-13444
>                 URL: https://issues.apache.org/jira/browse/HBASE-13444
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Rajesh Nishtala
>            Priority: Blocker
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: HBASE-13444-stacktrace.txt
>
>
> IntegrationTestBigLinkedList compiled on branch-1 can't talk to an hbase cluster running
branch-1.0. See attached stack trace for more details.
> Repro steps:
> 1) start a cluster from branch-1.0
> 2) copy configs from that cluster into another repo on branch-1
> 3) run IntegrationTestBigLinkedlist as follows:
> ./bin/hbase org.apache.hadoop.hbase.test.IntegrationTestBigLinkedList loop 1 1 100 /tmp/blah2
1 10 10 



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