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https://issues.apache.org/jira/browse/OOZIE-2159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344328#comment-14344328
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Robert Kanter commented on OOZIE-2159:
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One thing to keep in mind is backwards compatibility. We'd presumably add this
to the v2 API. Older clients talking to a newer server should be fine because
they have the current behavior in the client; but newer clients talking to an
older server won't work.
> 'oozie validate' command should be moved server-side
> ----------------------------------------------------
>
> Key: OOZIE-2159
> URL: https://issues.apache.org/jira/browse/OOZIE-2159
> Project: Oozie
> Issue Type: New Feature
> Affects Versions: trunk
> Reporter: Robert Kanter
>
> The {{oozie validate}} command runs an XML validator against a workflow,
> coordinator, or bundle XML file to check that it's valid with any of the XSD
> schema files we have.
> Currently, this is implemented in the Oozie CLI
> ({{OozieCLI.validateCommand(...)}}, which has some downsides:
> # It's only available to OozieCLI users; anyone using the REST API can't use
> it
> # It's currently hardcoded to the specific XSD files we ship with Oozie
> ## Whenever we add a new schema, we have to also manually update this, which
> is easy to forget
> ## Users can't validate custom schemas that the Oozie server would accept
> We should move this to the Oozie server, perhaps at a new "validate"
> endpoint. It should be able to accept a local file path (the current
> behavior) and perhaps also an HDFS file while we're at it. For the local XML
> file, it can just be uploaded as part of the REST call.
> Also, the description for the command needs to be updated to mention that it
> also handles coordinators and bundles.
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