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https://issues.apache.org/jira/browse/TEZ-2977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15053443#comment-15053443
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Hitesh Shah commented on TEZ-2977:
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bq. versionOverride
Yes - currently the tests can fail depending on which default hadoop.version is
set in the pom hence the versionOverride for a safer approach.
bq. The override tests in TestHadoopShims<version>Provider - they seem to be
overriding with the Provider which would have been returned irrespective of the
override ?
Same reason - the default version can cause the default provider to be picked
up. There is a basic test in TestHadoopShimsLoader which does a check on the
Dummy provider being chosen. The others are redundant to some extent but help
catch some edge cases.
> Make HadoopShim selection be overridable for distro-specific implementations
> ----------------------------------------------------------------------------
>
> Key: TEZ-2977
> URL: https://issues.apache.org/jira/browse/TEZ-2977
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Hitesh Shah
> Assignee: Hitesh Shah
> Attachments: TEZ-2977.1.patch, TEZ-2977.2.patch
>
>
> Distro-specific hadoop versions may not be aligned with Apache releases and
> therefore a configurable override may be useful
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