IncompatibleClassChangeError

[lei liu]

I use the CDH-4.3.1 and mr1, when I run one job, I am getting the following
error.
Exception in thread "main" java.lang.IncompatibleClassChangeError:
Found interface org.apache.hadoop.mapreduce.JobContext, but class was
expected
        at 
org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:152)
        at 
org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:1063)
        at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1080)
        at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:174)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:992)
        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:945)
        at java.security.AccessController.doPrivileged(Nativ
e Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
        at 
org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:945)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:566)
        at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:596)
        at 
com.taobao.hbase.test.RandomKVGenerater.main(RandomKVGenerater.java:248)