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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/05/28 15:06:12 UTC

[jira] [Commented] (HADOOP-12527) Upgrade Avro dependency to 1.7.7

    [ https://issues.apache.org/jira/browse/HADOOP-12527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305435#comment-15305435 ] 

Steve Loughran commented on HADOOP-12527:
-----------------------------------------

What does [~srowen] think here?

> Upgrade Avro dependency to 1.7.7
> --------------------------------
>
>                 Key: HADOOP-12527
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12527
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 2.7.1
>            Reporter: Jonathan Kelly
>
> Hadoop has depended upon Avro 1.7.4 for a couple of years now (see HADOOP-9672), but Apache Spark depends upon what is currently the latest version of Avro (1.7.7).
> This can cause issues if Spark is configured to include the full Hadoop classpath, as the classpath would then contain both Avro 1.7.4 and 1.7.7, with the 1.7.4 classes possibly winning depending on ordering. Here is an example of this issue: http://stackoverflow.com/questions/33159254/avro-error-on-aws-emr/33403111#33403111
> Would it be possible to upgrade Hadoop's Avro dependency to 1.7.7 now?



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