[GitHub] [hudi] stayrascal commented on issue #2813: [SUPPORT] HoodieRealtimeRecordReader can only work on RealtimeSplit and not with hdfs://111.parquet:0+4

["stayrascal (via GitHub)" <gi...@apache.org>]

stayrascal commented on issue #2813:
URL: https://github.com/apache/hudi/issues/2813#issuecomment-1435947159

   @n3nash @nsivabalan may i check does this feature(agg query table) work well in hive 3.1.2, I meet the the sample problem about cast class exception as bellow shows:
   ```
   Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch cannot be cast to org.apache.hadoop.io.ArrayWritable
   	at org.apache.hudi.hadoop.realtime.RealtimeCompactedRecordReader.createValue(RealtimeCompactedRecordReader.java:183)
   	at org.apache.hudi.hadoop.realtime.RealtimeCompactedRecordReader.createValue(RealtimeCompactedRecordReader.java:47)
   	at org.apache.hudi.hadoop.realtime.HoodieRealtimeRecordReader.createValue(HoodieRealtimeRecordReader.java:89)
   	at org.apache.hudi.hadoop.realtime.HoodieRealtimeRecordReader.createValue(HoodieRealtimeRecordReader.java:36)
   	at org.apache.hadoop.hive.ql.io.HiveRecordReader.createValue(HiveRecordReader.java:58)
   	at org.apache.hadoop.hive.ql.io.HiveRecordReader.createValue(HiveRecordReader.java:33)
   	at org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.createValue(TezGroupedSplitsInputFormat.java:160)
   	at org.apache.tez.mapreduce.lib.MRReaderMapred.setupOldRecordReader(MRReaderMapred.java:168)
   	at org.apache.tez.mapreduce.lib.MRReaderMapred.setSplit(MRReaderMapred.java:83)
   	at org.apache.tez.mapreduce.input.MRInput.initFromEventInternal(MRInput.java:706)
   	at org.apache.tez.mapreduce.input.MRInput.initFromEvent(MRInput.java:665)
   	at org.apache.tez.mapreduce.input.MRInputLegacy.checkAndAwaitRecordReaderInitialization(MRInputLegacy.java:150)
   	at org.apache.tez.mapreduce.input.MRInputLegacy.init(MRInputLegacy.java:114)
   	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getMRInput(MapRecordProcessor.java:525)
   	at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.init(MapRecordProcessor.java:171)
   	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:266)
   ```
   
   Not sure if we have verified that this feature works well in Hive3, I'm using hive 3.1.2 and hudi 0.12.2


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