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  1. Apache Drill
  2. DRILL-6020

NullPointerException with Union setting on when querying JSON untyped path

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.11.0
    • Fix Version/s: 1.13.0
    • Component/s: None
    • Labels:

      Description

      Steps to reproduce

      alter session set `exec.enable_union_type`=true;
      select tb.level1.dta from dfs.`file.json` tb;

      Content of file.json:

      {"level1":{"dta":{"test":"test"}}}
      {"level1":{"dta":"test"}}
      

      Stack trace

      Error: SYSTEM ERROR: NullPointerException

      Fragment 0:0

      [Error Id: fe267584-32f3-413c-a77c-fc5b5c1ba513 on localhost:31010]

      (java.lang.NullPointerException) null
      org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatchesUnion():34
      org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatches():135
      org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldIdIfMatches():130
      org.apache.drill.exec.vector.complex.FieldIdUtil.getFieldId():201
      org.apache.drill.exec.record.SimpleVectorWrapper.getFieldIdIfMatches():102
      org.apache.drill.exec.record.VectorContainer.getValueVectorId():298
      org.apache.drill.exec.physical.impl.ScanBatch.getValueVectorId():313
      org.apache.drill.exec.expr.ExpressionTreeMaterializer$MaterializeVisitor.visitSchemaPath():289
      org.apache.drill.exec.expr.ExpressionTreeMaterializer$MaterializeVisitor.visitSchemaPath():272
      org.apache.drill.common.expression.SchemaPath.accept():150
      org.apache.drill.exec.expr.ExpressionTreeMaterializer$AbstractMaterializeVisitor.visitFunctionCall():399
      org.apache.drill.exec.expr.ExpressionTreeMaterializer$AbstractMaterializeVisitor.visitFunctionCall():331
      org.apache.drill.common.expression.FunctionCall.accept():60
      org.apache.drill.exec.expr.ExpressionTreeMaterializer.materialize():169
      org.apache.drill.exec.expr.ExpressionTreeMaterializer.materialize():147
      org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema():421
      org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():78
      org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext():133
      org.apache.drill.exec.record.AbstractRecordBatch.next():162
      org.apache.drill.exec.physical.impl.BaseRootExec.next():105
      org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext():81
      org.apache.drill.exec.physical.impl.BaseRootExec.next():95
      org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():234
      org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():227
      java.security.AccessController.doPrivileged():-2
      javax.security.auth.Subject.doAs():422
      org.apache.hadoop.security.UserGroupInformation.doAs():1657
      org.apache.drill.exec.work.fragment.FragmentExecutor.run():227
      org.apache.drill.common.SelfCleaningRunnable.run():38
      java.util.concurrent.ThreadPoolExecutor.runWorker():1142
      java.util.concurrent.ThreadPoolExecutor$Worker.run():617
      java.lang.Thread.run():745 (state=,code=0)

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              • Assignee:
                Mitchel Mitchel Labonte
                Reporter:
                Mitchel Mitchel Labonte
                Reviewer:
                Volodymyr Vysotskyi
              • Votes:
                0 Vote for this issue
                Watchers:
                3 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: