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java.lang.ClassNotFoundException: com.mapreduce.spring.WordMapper
java.lang.RuntimeException: java.lang.ClassNotFoundException: TransMapper1	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:857)	at org.apache.hadoop.mapreduce.JobContext.getMapperClass(JobContext.java:199)	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:718)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:422)