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https://issues.apache.org/jira/browse/HBASE-11625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14158526#comment-14158526
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Paul Fleetwood commented on HBASE-11625:
----------------------------------------

java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)

0.98.5-hadoop1, rUnknown, Mon Aug  4 23:39:24 PDT 2014

Hadoop 1.2.1
Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.2 
-r 1503152
Compiled by mattf on Mon Jul 22 15:23:09 PDT 2013
>From source with checksum 6923c86528809c4e7e6f493b6b413a9a

> Reading datablock throws "Invalid HFile block magic" and can not switch to 
> hdfs checksum 
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-11625
>                 URL: https://issues.apache.org/jira/browse/HBASE-11625
>             Project: HBase
>          Issue Type: Bug
>          Components: HFile
>    Affects Versions: 0.94.21, 0.98.4, 0.98.5
>            Reporter: qian wang
>         Attachments: 2711de1fdf73419d9f8afc6a8b86ce64.gz
>
>
> when using hbase checksum,call readBlockDataInternal() in hfileblock.java, it 
> could happen file corruption but it only can switch to hdfs checksum 
> inputstream till validateBlockChecksum(). If the datablock's header corrupted 
> when b = new HFileBlock(),it throws the exception "Invalid HFile block magic" 
> and the rpc call fail



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