GitHub user jerryshao opened a pull request:
https://github.com/apache/spark/pull/12236
[SPARK-14455][Streaming] Fix NPE in allocatedExecutors when calling in
receiver-less scenario
## What changes were proposed in this pull request?
When calling `ReceiverTracker#allocatedExecutors` in receiver-less
scenario, NPE will be thrown, since this `ReceiverTracker` actually is not
started and `endpoint` is not created.
This will be happened when playing streaming dynamic allocation with direct
Kafka.
## How was this patch tested?
Local integrated test is done.
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
â¦r-less scenario
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jerryshao/apache-spark SPARK-14455
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12236.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 #12236
----
commit be56b70c0ed9d665d075757152b5a6e118f2bcf8
Author: jerryshao <[email protected]>
Date: 2016-04-07T08:30:00Z
Fix NPE in ReceiverTracker#allocatedExecutors when calling in receiver-less
scenario
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