kumar vishal created CARBONDATA-1515:
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Summary: Fixed NPE in Data loading
Key: CARBONDATA-1515
URL: https://issues.apache.org/jira/browse/CARBONDATA-1515
Project: CarbonData
Issue Type: Bug
Reporter: kumar vishal
Assignee: kumar vishal
Scenario:
Data size: 3.5 billion rows(4.1 tb data)
3 node cluster
Number of core while data loading 12.
No. of loads 100 times
Problem: In DataConverterProcessorStepImpl it is using array list for adding
all the local converter, in case of multiple thread scenario it is creating a
hole (null value)(as array list if not synchronized). while closing the
converter it is it is throwing NPE
Solution: Add local converter in synchronized block
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