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https://issues.apache.org/jira/browse/NIFI-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197949#comment-15197949
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Joseph Witt commented on NIFI-1629:
-----------------------------------

so for fun we have a live system interacting with three different versions of 
Kafka brokers at once pushing a decent bit of data across a few topics.  We 
also pull from them right after.

The versions are:
- 0.8.1.1
- 0.8.2.1
- 0.9.0.1

> Downgrade Kafka processors back to 0.8
> --------------------------------------
>
>                 Key: NIFI-1629
>                 URL: https://issues.apache.org/jira/browse/NIFI-1629
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Oleg Zhurakousky
>            Assignee: Oleg Zhurakousky
>             Fix For: 0.6.0
>
>
> Also, the following needs to be added to ensure that Kafka failures do not 
> affect NiFi operations
> 1) Add yield so when we don't have to ack anything or there is nothing to 
> send we don't do onTrigger()
> 2) Appropriate hooks allowing Kafka processors to still exit whenever Kafka 
> deadlocks



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