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HDFS, mail # dev - MapFile.Writer


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MapFile.Writer
Biju N 2014-05-11, 22:26
Trying to create a write to a MapFile on Hadoop version 2.2.0

MapFile.Writer writer = new MapFile.Writer(conf,
path,SequenceFile.Writer.keyClass(key.getClass()),

SequenceFile.Writer.valueClass(value.getClass()));
But fails with illegal argument exception eventhough the key can value
class option is set. Any help is much appreciated.
Exception in thread "main" java.lang.IllegalArgumentException: key class or
comparator option must be set