GitHub user nareshpr opened a pull request:
https://github.com/apache/carbondata/pull/924 [CARBONDATA-1063] NullPointerException is thrown if multi user beeline is used concurrently
User1 in beeline terminal1 performs below operation
1) Create table t1
2) load data into t1
3) show segments for t1
User2(Does not have privilege to read t1) in beeline terminal2 performs below operation
1) show segments for t1 -- Throws permission denied and removes the CarbonTable metadata from CarbonMetadata
User1 in beeline terminal1 performs below operation
1) Show segments for t1 - NullPointerException is thrown as the CarbonTable is not fetched from CarbonMetastore, instead fetched from SingleTon Instance CarbonMetadata.
This is corrected by fetching the carbonTable from CarbonMetastore of corresponding Session.
You can merge this pull request into a Git repository by running:
$ git pull
https://github.com/nareshpr/incubator-carbondata MultiUserMultiClientNPE
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/924.patchTo close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #924
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