java.lang.IncompatibleClassChangeError

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    • java.lang.IncompatibleClassChangeError: Found class > org.apache.hadoop.mapreduce.TaskAttemptContext, but interface was expected at > org.apache.pig.piggybank.storage.XMLLoader$XMLRecordReader.initialize(XMLLoader.java:102) at > org.apache.pig.impl.io.ReadToEndLoader.initializeReader(ReadToEndLoader.java:210) at > org.apache.pig.impl.io.ReadToEndLoader.getNextHelper(ReadToEndLoader.java:248) at org.apache.pig.impl.io.ReadToEndLoader.getNext(ReadToEndLoader.java:229)
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