java.lang.RuntimeException: java.io.EOFException

错误问题:
ava.lang.RuntimeException: java.io.EOFException
at org.apache.hadoop.io.WritableComparator.compare(WritableComparator.java:165)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.compare(MapTask.java:1245)
at org.apache.hadoop.util.QuickSort.fix(QuickSort.java:35)
at org.apache.hadoop.util.QuickSort.sortInternal(QuickSort.java:87)
at org.apache.hadoop.util.QuickSort.sort(QuickSort.java:63)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1575)
at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1462)
at org.apache.hadoop.mapred.MapTask$NewOutputCollector.close(MapTask.java:700)
at org.apache.hadoop.mapred.MapTask.closeQuietly(MapTask.java:1990)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:774)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readUnsignedShort(DataInputStream.java:340)
	at java.io.DataInputStream.readUTF(DataInputStream.java:589)
	at java.io.DataInputStream.readUTF(DataInputStream.java:564)
	at com.bigdata.kv.key.DateDimension.readFields(DateDimension.java:111)
	at com.bigdata.kv.key.ComDimension.readFields(ComDimension.java:54)
	at org.apache.hadoop.io.WritableComparator.compare(WritableComparator.java:158)
	... 16 more

错误解决:

错误信息提示:
序列化与反序列化不一致(顺序,格式等)