java.lang.IncompatibleClassChangeError

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    • java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected at org.apache.giraph.bsp.BspOutputFormat.checkOutputSpecs(BspOutputFormat.java:43) at org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:458) at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:343) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1295) at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1292) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415)
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