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https://issues.apache.org/jira/browse/KAFKA-5301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16160466#comment-16160466
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Richard Yu commented on KAFKA-5301:
-----------------------------------
In regards to the first point that [~guozhang] mentioned:
1. If an exception was thrown, for example, in the {{onPartitionsRevoked}}
method. A {{RebalanceException}} is thrown. Notice that there is also a
variable, which is private, that is set to that exception:
{code}
streamThread.setRebalanceException(t);
{code}
2. What the class could do:
a) Make the variable storing the exception accessible to outside classes.
b) If the variable had been changed from its default value, then the
{{ConsumerCoordinator}} class would not rethrow the exception.
> Improve exception handling on consumer path
> -------------------------------------------
>
> Key: KAFKA-5301
> URL: https://issues.apache.org/jira/browse/KAFKA-5301
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Affects Versions: 0.11.0.0
> Reporter: Eno Thereska
> Fix For: 1.0.0
>
>
> Used in StreamsThread.java, mostly to .poll() but also to restore data.
> Used in StreamsTask.java, mostly to .pause(), .resume()
> All exceptions here are currently caught all the way up to the main running
> loop in a broad catch(Exception e) statement in StreamThread.run().
> One main concern on the consumer path is handling deserialization errors that
> happen before streams has even had a chance to look at the data:
> https://issues.apache.org/jira/browse/KAFKA-5157
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