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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2962) RangeInputSplit Writable methods don't serialize IteratorSettings
Date Mon, 07 Jul 2014 18:46:35 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14054005#comment-14054005
] 

Josh Elser commented on ACCUMULO-2962:
--------------------------------------

Sorry, for the double commits in master for this. I apparently forgot to push the 1.5 and
1.6 branches and rebase'd before I realized what I had done. There are multiple commits in
master now, but they are both the same changes.

> RangeInputSplit Writable methods don't serialize IteratorSettings
> -----------------------------------------------------------------
>
>                 Key: ACCUMULO-2962
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2962
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.5.1, 1.6.0
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>             Fix For: 1.5.2, 1.6.1, 1.7.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Was trying to figure out why some information was getting lost on a RangeInputSplit after
serialization, and found out it was because the serialization and deserialization of the class
didn't include the configured IteratorSettings.
> This likely isn't a big problem for normal users as, when no IteratorSettings are configured
on the RangeInputSplit, it falls back to pulling from the Configuration, but it's possible,
with "non-standard" uses of mapreduce, that information could be missing in the Configuration
that the mappers receive, and would subsequently error.



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