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https://issues.apache.org/jira/browse/IGNITE-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876456#comment-15876456
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Ivan Veselovsky commented on IGNITE-4720:
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Looks like problem caused by the following change:
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commit 30b869ddd32db637ee9ea8f13a115dd4bacc52fe
Author: devozerov <[email protected]>
Date: Wed Dec 14 14:35:29 2016 +0300
IGNITE-4426: Hadoop: tasks can share the same classloader. This closes #1344.
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The following property allows to *work around* the problem:
-Dignite.job.shared.classloader=false .
> Sporadically fails for Hadoop
> -----------------------------
>
> Key: IGNITE-4720
> URL: https://issues.apache.org/jira/browse/IGNITE-4720
> Project: Ignite
> Issue Type: Bug
> Components: hadoop
> Affects Versions: 1.8
> Reporter: Irina Zaporozhtseva
> Assignee: Ivan Veselovsky
> Fix For: 1.9
>
>
> hadoop example aggregatewordcount under apache ignite hadoop edition grid
> with 4 nodes for hadoop-2_6_4 and hadoop-2_7_2:
> aggregatewordcount returns 999712 instead of 1000000
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