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https://issues.apache.org/jira/browse/HBASE-13331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378712#comment-14378712
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stack commented on HBASE-13331:
-------------------------------
bq. Well Hadoop and HBase throw IOExceptions whenever someone looks in their
general direction.
lol
[~tsuna] See above.
@eclark So when you went to open the daughter region, you got exception trying
to read daughter region from fs? Is isExists a canary to test HDFS good before
we go to use it? Patch LGTM.
> Exceptions from DFS client can cause CatalogJanitor to delete referenced files
> ------------------------------------------------------------------------------
>
> Key: HBASE-13331
> URL: https://issues.apache.org/jira/browse/HBASE-13331
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 1.0.0, 0.98.12
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Blocker
> Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.13
>
> Attachments: HBASE-13331.patch
>
>
> CatalogJanitor#checkDaughterInFs assumes that there are no references
> whenever HRegionFileSystem.openRegionFromFileSystem throws IOException. Well
> Hadoop and HBase throw IOExceptions whenever someone looks in their general
> direction.
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