[jira] [Created] (CARBONDATA-4013) NullPointerException when use ArrowCarbonReader to read carbondata created using orc ,parquet and avro files

[Akash R Nilugal (Jira)]

Chetan Bhat created CARBONDATA-4013:
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             Summary: NullPointerException when use ArrowCarbonReader to read carbondata created using orc ,parquet and avro files
                 Key: CARBONDATA-4013
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-4013
             Project: CarbonData
          Issue Type: Bug
          Components: other
    Affects Versions: 2.1.0
         Environment: Spark 2.4.5 compiled jars
            Reporter: Chetan Bhat


when use ArrowCarbonReader to read carbondata created using orc files-

java.lang.NullPointerException
 at org.apache.carbondata.sdk.file.arrow.ArrowUtils.toArrowSchema(ArrowUtils.java:109)
 at org.apache.carbondata.sdk.file.arrow.ArrowConverter.<init>(ArrowConverter.java:45)
 at org.apache.carbondata.sdk.file.ArrowCarbonReader.readArrowBatch(ArrowCarbonReader.java:54)
 at com.apache.spark.LoadFromFiles.testORCFileLoadWithComplexSchemaArrowReader(LoadFromFiles.java:1401)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
 at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
 at org.junit.rules.RunRules.evaluate(RunRules.java:20)
 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
 at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
 at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
 at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
 at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
 at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
 at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)

 

when use ArrowCarbonReader to read carbondata created using parquet and avro files

java.lang.ClassCastException: java.lang.String cannot be cast to [Ljava.lang.Object;

 at org.apache.carbondata.sdk.file.arrow.StructWriter.setValue(ArrowFieldWriter.java:374)
 at org.apache.carbondata.sdk.file.arrow.ArrowFieldWriter.write(ArrowFieldWriter.java:60)
 at org.apache.carbondata.sdk.file.arrow.StructWriter.setValue(ArrowFieldWriter.java:377)
 at org.apache.carbondata.sdk.file.arrow.ArrowFieldWriter.write(ArrowFieldWriter.java:60)
 at org.apache.carbondata.sdk.file.arrow.ArrowWriter.write(ArrowWriter.java:56)
 at org.apache.carbondata.sdk.file.arrow.ArrowConverter.addToArrowBuffer(ArrowConverter.java:63)
 at org.apache.carbondata.sdk.file.ArrowCarbonReader.readArrowBatch(ArrowCarbonReader.java:56)
 at com.apache.spark.LoadFromFiles.testParquetLoadAndCarbonArrowReader(LoadFromFiles.java:1775)



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