java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record > cannot be cast to java.util.Map at > org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:296) at > org.apache.avro.mapreduce.AvroKeyValueRecordWriter.write(AvroKeyValueRecordWriter.java:127) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs$RecordWriterWithCounter.write(MultipleOutputs.java:304) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.write(MultipleOutputs.java:370) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:156) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:24)

nabble.com | 4 months ago
  1. 0

    Avro - Users - org.apache.avro.file.DataFileWriter$AppendWriteException: java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record cannot be cast to java.util.Map

    nabble.com | 4 months ago
    java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record > cannot be cast to java.util.Map at > org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:296) at > org.apache.avro.mapreduce.AvroKeyValueRecordWriter.write(AvroKeyValueRecordWriter.java:127) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs$RecordWriterWithCounter.write(MultipleOutputs.java:304) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.write(MultipleOutputs.java:370) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:156) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:24)
  2. 0

    [Avro-user] org.apache.avro.file.DataFileWriter$AppendWriteException: java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record cannot be cast to java.util.Map - Grokbase

    grokbase.com | 8 months ago
    java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record cannot be cast to java.util.Map at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:296) at org.apache.avro.mapreduce.AvroKeyValueRecordWriter.write(AvroKeyValueRecordWriter.java:127) at org.apache.hadoop.mapreduce.lib.output.MultipleOutputs$RecordWriterWithCounter.write(MultipleOutputs.java:304) at org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.write(MultipleOutputs.java:370) at com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:156) at com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:24)
  3. 0

    Map Reduce Unit test failing

    Stack Overflow | 2 years ago | nIx..
    java.lang.ClassCastException: org.apache.hadoop.mrunit.mapreduce.mock.MockReduceContextWrapper$4$1 cannot be cast to org.apache.hadoop.mapreduce.ReduceContext$ValueIterator
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  5. 0

    Re: Query Error

    incubator-mrql-user | 2 years ago | Leonidas Fegaras
    java.lang.ClassCastException: org.apache.mrql.MR_int cannot be cast to org.apache.mrql.Bag at org.apache.mrql.MRQL_Lambda_5.eval(UserFunctions_0.java from JavaSourceFromString:27) at org.apache.mrql.MapReduceAlgebra$1.hasNext(MapReduceAlgebra.java:59) at org.apache.mrql.JoinOperation$JoinReducer.reduce(JoinOperation.java:292) at org.apache.mrql.JoinOperation$JoinReducer.reduce(JoinOperation.java:184)

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    Root Cause Analysis

    1. java.lang.ClassCastException

      org.apache.avro.generic.GenericData$Record > cannot be cast to java.util.Map at > org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:296) at > org.apache.avro.mapreduce.AvroKeyValueRecordWriter.write(AvroKeyValueRecordWriter.java:127) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs$RecordWriterWithCounter.write(MultipleOutputs.java:304) at > org.apache.hadoop.mapreduce.lib.output.MultipleOutputs.write(MultipleOutputs.java:370) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:156) at > com.paypal.ci.CISuperSessionStage2AvroReducer.reduce(CISuperSessionStage2AvroReducer.java:24)

      at org.apache.hadoop.mapreduce.Reducer.run()
    2. Hadoop
      Reducer.run
      1. org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:177)
      1 frame