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https://issues.apache.org/jira/browse/TEZ-1664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171496#comment-14171496
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Hitesh Shah commented on TEZ-1664:
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I was considering an option where the AM would fail to come up if the version
passed in to it from the client launcher via the environment or some other form
is not compatible with the AM's version.
Not sure how a thin client helps for an application which already needs to have
tez jars in its classpath.
> Add checks to ensure that the client and AM are compatible
> -----------------------------------------------------------
>
> Key: TEZ-1664
> URL: https://issues.apache.org/jira/browse/TEZ-1664
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Hitesh Shah
>
> There is a potential chance that a client is misconfigured wrongly to point
> to an incompatible tez tar ball on HDFS.
> Until we end up supporting either compatibility across various versions or
> uploading the tez tarball if not configured, we should do a version
> compatibility check and fail the AM if it was launched by an incompatible
> client.
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