GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/17752
[SPARK-20452][SS][Kafka]Fix a potential ConcurrentModificationException for
batch Kafka DataFrame
## What changes were proposed in this pull request?
Cancel a batch Kafka query but one of task cannot be cancelled, and rerun
the same DataFrame may cause ConcurrentModificationException because it may
launch two tasks sharing the same group id.
This PR always create a new consumer when `reuseKafkaConsumer = false` to
avoid ConcurrentModificationException. It also contains other minor fixes.
## How was this patch tested?
Jenkins.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark kafka-fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17752.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17752
----
commit cc05f2b031fe1844e47d703677109427d8909f0f
Author: Shixiong Zhu <[email protected]>
Date: 2017-04-24T21:50:15Z
Fix some kafka issues
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
