java.lang.IncompatibleClassChangeError: Found interface > > org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:235) at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:183) at > > > org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:562) at > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:432)

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    • java.lang.IncompatibleClassChangeError: Found interface > > org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:235) at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:183) at > > > org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:562) at > org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:432) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1296) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1293) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415)
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