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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3039) Make mapreduce use same version of avro as HBase
Date Tue, 20 Sep 2011 02:38:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108335#comment-13108335

Joep Rottinghuis commented on MAPREDUCE-3039:

Ok, I'll take that back.
When heeding my own advice in HADOOP-7646 about clearing out the ~/.ivy2/repository cache
the avro 1.3.2 jar disappeared from the classpath and the compilation error went away.

Back to my original question:
Should I remove the new Utf8(String...) code and put straight Strings into the map in JobSubmittedEvent?
My concern is that the map is defined as CharSequence and we're putting Utf8's in the map.
If any client tries to retrieve a key using a string, then they will not get the value back
as the key of type Utf8 will not equal String or Charsequence types.

> Make mapreduce use same version of avro as HBase
> ------------------------------------------------
>                 Key: MAPREDUCE-3039
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3039
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/capacity-sched, contrib/fair-share, contrib/gridmix, contrib/mrunit,
contrib/mumak, contrib/raid, contrib/streaming, jobhistoryserver
>    Affects Versions: 0.22.0
>            Reporter: Joep Rottinghuis
>            Assignee: Joep Rottinghuis
>             Fix For: 0.22.0
>         Attachments: MAPREDUCE-3039-branch-0.22.patch
> HBase depends on avro 1.5.3 whereas hadoop-common depends on 1.3.2.
> When building HBase on top of hadoop, this should be consistent.
> Moreover, this should be consistent between common, hdfs, and mapreduce.
> Contribs seem to have declared a dependency on avro but are not in fact depending on

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