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java.lang.ClassCastException: [B cannot be cast to java.nio.ByteBuffer at org.apache.avro.generic.GenericDatumWriter.writeBytes(GenericDatumWriter.java:260) at org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:116) at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:73) at org.apache.avro.generic.GenericDatumWriter.writeField(GenericDatumWriter.java:153) at org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:143) at org.apache.avro.generic.GenericDatumWriter.writeWithoutConversion(GenericDatumWriter.java:105) at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:73) at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:60) at producers.AvroBinaryProducer.buildAvroData(AvroBinaryProducer.java:90) at producers.AvroBinaryProducer.start(AvroBinaryProducer.java:120) at producers.AvroBinaryProducer.main(AvroBinaryProducer.java:140)