GitHub user kunal642 opened a pull request:
https://github.com/apache/carbondata/pull/2797
[CARBONDATA-2993] fix random NPE while concurrent loading
**Problem:** NPE is thrown from CarbonRDD during concurrent dataload.
This is due to configuration being extracted from broadcast variable and
sometimes it gives null instead of hadoopconfiguration.
**Solution:** Keep Hadoop Conf as a transient class level variable for
driver and extract from broadcast in executor.
Be sure to do all of the following checklist to help us incorporate
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- [ ] Any interfaces changed?
- [ ] Any backward compatibility impacted?
- [ ] Document update required?
- [ ] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests
are required?
- How it is tested? Please attach test report.
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- [ ] For large changes, please consider breaking it into sub-tasks under
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kunal642/carbondata NPE_fix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2797.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 #2797
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commit 6b29533d1ac788a6e687daad95bb39c6c92079dd
Author: kunal642 <kunalkapoor642@...>
Date: 2018-10-05T04:43:05Z
fix random NPE while concurrent loading due to broadcast configuration
variable in driver
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