Kunal Kapoor created CARBONDATA-3482:
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Summary: Null pointer exception when concurrent select queries are executed from different beeline terminals.
Key: CARBONDATA-3482
URL:
https://issues.apache.org/jira/browse/CARBONDATA-3482 Project: CarbonData
Issue Type: Bug
Reporter: Kunal Kapoor
Assignee: Kunal Kapoor
# Beeline1: => create tables (1K )
2. Beeline2 => insert into table t2 (only 1 records ) till 7K
3. Concurrent queries
q1 : select count(*) from t1
q2 : select * from t1 limit 1
q3 : select count(*) from t2
q2 : select * from t2 limit 1
Exception:
java.lang.NullPointerException
at org.apache.carbondata.core.indexstore.blockletindex.BlockDataMap.getFileFooterEntrySchema(BlockDataMap.java:1061)
at org.apache.carbondata.core.indexstore.blockletindex.BlockDataMap.prune(BlockDataMap.java:727)
at org.apache.carbondata.core.indexstore.blockletindex.BlockDataMap.prune(BlockDataMap.java:821)
at org.apache.carbondata.core.indexstore.blockletindex.BlockletDataMapFactory.getAllBlocklets(BlockletDataMapFactory.java:446)
at org.apache.carbondata.core.datamap.TableDataMap.pruneWithoutFilter(TableDataMap.java:156)
at org.apache.carbondata.core.datamap.TableDataMap.prune(TableDataMap.java:143)
at org.apache.carbondata.hadoop.api.CarbonInputFormat.getPrunedBlocklets(CarbonInputFormat.java:563)
at org.apache.carbondata.hadoop.api.CarbonInputFormat.getDataBlocksOfSegment(CarbonInputFormat.java:471)
at org.apache.carbondata.hadoop.api.CarbonTableInputFormat.getSplits(CarbonTableInputFormat.java:471)
at org.apache.carbondata.hadoop.api.CarbonTableInputFormat.getSplits(CarbonTableInputFormat.java:199)
at org.apache.carbondata.spark.rdd.CarbonScanRDD.internalGetPartitions(CarbonScanRDD.scala:141)
at org.apache.carbondata.spark.rdd.CarbonRDD.getPartitions(CarbonRDD.scala:66)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:256)
at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:254)
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