[jira] [Updated] (CARBONDATA-3482) Null pointer exception when concurrent select queries are executed from different beeline terminals.

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-3482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ajantha Bhat updated CARBONDATA-3482:
-------------------------------------
    Fix Version/s:     (was: 1.6.0)
                   1.6.1

> 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 Khatua
>            Assignee: Kunal Khatua
>            Priority: Major
>             Fix For: 1.6.1
>
>          Time Spent: 5.5h
>  Remaining Estimate: 0h
>
> # 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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