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https://issues.apache.org/jira/browse/SAMZA-807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15243376#comment-15243376
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Jake Maes commented on SAMZA-807:
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Hey [~TaoFeng], can you help us understand why this is a recurring issue?
If someone is experimenting with and without a custom grouper, couldn't they
just maintain 2 separate instances?
I ask because:
1. The exception is preventing a critical scenario that can cause invalid
behavior
2. Adding a config as a work around seems like a permanent solution to a
one-off problem
> Need a configuration variable to ignore SystemStreamPartitionGrouperFactory
> changes in checkpoint topic
> -------------------------------------------------------------------------------------------------------
>
> Key: SAMZA-807
> URL: https://issues.apache.org/jira/browse/SAMZA-807
> Project: Samza
> Issue Type: Bug
> Affects Versions: 0.10.0
> Reporter: Yi Pan (Data Infrastructure)
> Assignee: Tao Feng
> Attachments: SAMZA-807.1.patch
>
>
> We have use cases where the user implemented a customized
> SystemStreamPartitionGrouperFactory and later removed it. We should provide a
> configuration to ignore the validation exception in
> KafkaCheckpointLogKey.fromBytes().
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