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From "Venkatesh Seetharam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FALCON-72) Feeds with invalid oozie URI in cluster cannot be deleted
Date Mon, 12 Aug 2013 18:50:47 GMT

    [ https://issues.apache.org/jira/browse/FALCON-72?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13737213#comment-13737213
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Venkatesh Seetharam commented on FALCON-72:
-------------------------------------------

bq. 2. Can we add a method to AbstractWorkflowEngine to validate the Workflow URL validity
and not have to implement any specific validation here. If we apply security patch and the
version api, is rejected due to missing ticket, this might break.
I did think about this but cannot be done. The implementation for the AbstractWorkflowEngine
in common module is present in oozie module which depends on common module. It'll become a
circular dependency. May be a better solution is to just open the connection to the URL specified
in the interface and see if its reachable.
                
> Feeds with invalid oozie URI in cluster cannot be deleted
> ---------------------------------------------------------
>
>                 Key: FALCON-72
>                 URL: https://issues.apache.org/jira/browse/FALCON-72
>             Project: Falcon
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 0.3
>            Reporter: Venkatesh Seetharam
>            Assignee: Venkatesh Seetharam
>         Attachments: FALCON-72.patch, FALCON-72.r1.patch
>
>
> User submits a cluster dsl with a bad oozie uri. He then submits a feed with this cluster.
User will never be able to remove the feed from Falcon. 
> I'd suggest we add validations for all the interfaces:
> * Execute - create a JobClient object
> * Workflow - This is initialized quite late
> * Messaging - not sure if we need to validate this? Will Falcon work without this?
> * Read - Why not validate this as well?
> Thanks Grant Liu for bringing this to my attention.

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