我正在使用HDP 2.0 - hadoop 2.2.0和Apache 1.7.4,并遵循Avro指南编写一个新的M/R 。2014-07-15 05:46:04,354 FATAL [main] org.apache.hadoop.mapred.YarnChild: Error running child : java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
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