xuchuanyin created CARBONDATA-2506:
--------------------------------------
Summary: Tests failed occasionally with
ConcurrentModificationException
Key: CARBONDATA-2506
URL: https://issues.apache.org/jira/browse/CARBONDATA-2506
Project: CarbonData
Issue Type: Bug
Reporter: xuchuanyin
Assignee: xuchuanyin
```
java.util.ConcurrentModificationException at
java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) at
java.util.HashMap$KeyIterator.next(HashMap.java:1466) at
java.util.AbstractCollection.toArray(AbstractCollection.java:196) at
org.apache.carbondata.core.indexstore.blockletindex.BlockletDataMapFactory.clear(BlockletDataMapFactory.java:284)
at
org.apache.carbondata.core.datamap.DataMapStoreManager.clearDataMaps(DataMapStoreManager.java:423)
at
org.apache.carbondata.core.datamap.DistributableDataMapFormat$1.initialize(DistributableDataMapFormat.java:123)
```
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