[jira] [Resolved] (STORM-2857) Loosen some constraints on validation to support running topologies of older version

["Jungtaek Lim (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STORM-2857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jungtaek Lim resolved STORM-2857.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Thanks [~ethanli], I merged into master.

> Loosen some constraints on validation to support running topologies of older version
> ------------------------------------------------------------------------------------
>
>                 Key: STORM-2857
>                 URL: https://issues.apache.org/jira/browse/STORM-2857
>             Project: Apache Storm
>          Issue Type: Improvement
>            Reporter: Ethan Li
>            Assignee: Ethan Li
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> We want to be able to have topologies of older version (for example 0.10) to run on 2.x cluster. User might submit topologies with 0.10 configs which includes "backtype.storm". It will fail the validation process on the nimbus because the "backtype.storm.XXX" class not found. For now it's really just about TOPOLOGY_SCHEDULER_STRATEGY config. We might want to loosen the constraints for @isImplementationOfClass so that if "backtype.storm.XXX" is not found, we try with "org.apache.storm.XXX and if it passed, we let it pass the validation. 



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