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https://issues.apache.org/jira/browse/SAMZA-444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185900#comment-14185900
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Chris Riccomini commented on SAMZA-444:
---------------------------------------
Have you tried running clean? This error usually pops up when different (binary
incompatible) Scalas have been used to compile and run the code. I'm running my
tests now to try and reproduce.
> Provide a Samza job data model for job coordinator
> --------------------------------------------------
>
> Key: SAMZA-444
> URL: https://issues.apache.org/jira/browse/SAMZA-444
> Project: Samza
> Issue Type: Sub-task
> Components: container, yarn
> Affects Versions: 0.9.0
> Reporter: Chris Riccomini
> Assignee: Chris Riccomini
> Fix For: 0.9.0
>
> Attachments: SAMZA-444-0.patch, SAMZA-444-1.patch, SAMZA-444-2.patch
>
>
> We currently have no data model for Samza jobs. As a result, we have really
> hacky code in JsonHelpers to handle (de)serializing job/container/task
> information between the job coordinator and its SamzaContainers.
> We should provide a proper data model for Samza jobs, which includes a Job,
> Container, and Task. The objects should contain relevant data that the job
> coordinator and SamzaContainer need. These classes should be written in Java,
> and use proper Jackson annotations to allow for easy (de)serialization.
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