I am trying to read a parquet file into a datastream and then register that 
stream as a temporary table. This file is created by spark 2.4 in HDFS on AWS 
EMR. I am using flink version 1.10.0 with EMR 5.30.

I am getting the following error:

Caused by: org.apache.flink.streaming.runtime.tasks.AsynchronousException: 
Caught exception when processing split: null
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask$StreamTaskAsyncExceptionHandler.handleAsyncException(StreamTask.java:1090)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.handleAsyncException(StreamTask.java:1058)
        at 
org.apache.flink.streaming.api.functions.source.ContinuousFileReaderOperator$SplitReader.run(ContinuousFileReaderOperator.java:351)
Caused by: java.lang.ClassCastException: Expected instance of group converter 
but got 
"org.apache.flink.formats.parquet.utils.RowConverter$RowPrimitiveConverter"
        at 
org.apache.parquet.io.api.Converter.asGroupConverter(Converter.java:34)
        at 
org.apache.parquet.io.RecordReaderImplementation.<init>(RecordReaderImplementation.java:267)
        at 
org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:147)
        at 
org.apache.parquet.io.MessageColumnIO$1.visit(MessageColumnIO.java:109)
        at 
org.apache.parquet.filter2.compat.FilterCompat$NoOpFilter.accept(FilterCompat.java:165)
        at 
org.apache.parquet.io.MessageColumnIO.getRecordReader(MessageColumnIO.java:109)
        at 
org.apache.flink.formats.parquet.utils.ParquetRecordReader.createRecordReader(ParquetRecordReader.java:118)
        at 
org.apache.flink.formats.parquet.utils.ParquetRecordReader.readNextRecord(ParquetRecordReader.java:227)
        at 
org.apache.flink.formats.parquet.utils.ParquetRecordReader.reachEnd(ParquetRecordReader.java:207)
        at 
org.apache.flink.formats.parquet.ParquetInputFormat.reachedEnd(ParquetInputFormat.java:233)
        at 
org.apache.flink.streaming.api.functions.source.ContinuousFileReaderOperator$SplitReader.run(ContinuousFileReaderOperator.java:327)

Below is a snippet of code that shows how I am trying to read the parquet file:

    String filePath = "hdfs:///path/to/single/file.parquet";

    ParquetFileReader reader = 
ParquetFileReader.open(HadoopInputFile.fromPath(new 
org.apache.hadoop.fs.Path(filePath), new Configuration()));
    MessageType schema = reader.getFooter().getFileMetaData().getSchema();

    String parquetPath = "hdfs:///path/to/parquet/directoryā€¯;

    DataStream<Row> parquetStream = env.readFile(new ParquetRowInputFormat(new 
org.apache.flink.core.fs.Path(parquetPath), schema), parquetPath);

    Table parquetTable = tEnv.fromDataStream(parquetStream);
    tEnv.createTemporaryView("isession", parquetTable);

Thanks,
Jesse

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