java.lang.ClassCastException: class com.sun.jersey.core.impl.provider.entity.XMLJAXBElementProvider$

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java.lang.ClassCastException: class com.sun.jersey.core.impl.provider.entity.XMLJAXBElementProvider$Text
   at java.lang.Class.asSubclass(Class.java:3404)
   at org.apache.hadoop.mapred.JobConf.getOutputKeyComparator(JobConf.java:887)
   at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init(MapTask.java:1004)
   at org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:402)
   at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81)
   at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:698)
   at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:770)
   at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
   at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:748)

低级错误，导错包了

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