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From "Jeffrey Zhong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9895) 0.96 Import utility can't import an exported file from 0.94
Date Sat, 09 Nov 2013 04:33:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13818007#comment-13818007
] 

Jeffrey Zhong commented on HBASE-9895:
--------------------------------------

{quote}
The sample file is small. Can we add it as a src/test/resource ?
{quote}
The binary data file is added into src/test/resources/org/apache/hadoop/hbase/mapreduce/exportedTableIn94Format.
As I mentioned above, patch file can't contain binary file so I have to attach the binary
file separately and QA run will fail. When commit the change, I'll commit the binary under
src/test/resources/org/apache/hadoop/hbase/mapreduce/exportedTableIn94Format along with the
text patch file. Therefore, there won't be any issue. 

> 0.96 Import utility can't import an exported file from 0.94
> -----------------------------------------------------------
>
>                 Key: HBASE-9895
>                 URL: https://issues.apache.org/jira/browse/HBASE-9895
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>    Affects Versions: 0.96.0
>            Reporter: Jeffrey Zhong
>            Assignee: Jeffrey Zhong
>         Attachments: exportedTableIn94Format, hbase-9895-v2.patch, hbase-9895.patch
>
>
> Basically we PBed org.apache.hadoop.hbase.client.Result so a 0.96 cluster cannot import
0.94 exported files. This issue is annoying because a user can't import his old archive files
after upgrade or archives from others who are using 0.94.
> The ideal way is to catch deserialization error and then fall back to 0.94 format for
importing.



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