执行hadoop 报错
java.io.EOFException: Unexpected end of input stream
at org.apache.hadoop.io.compress.DecompressorStream.decompress(DecompressorStream.java:165)
at org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:105)
at java.io.InputStream.read(InputStream.java:101)
at org.apache.hadoop.util.LineReader.fillBuffer(LineReader.java:182)
at org.apache.hadoop.util.LineReader.readDefaultLine(LineReader.java:218)
at org.apache.hadoop.util.LineReader.readLine(LineReader.java:176)
at org.apache.hadoop.mapreduce.lib.input.LineRecordReader.nextKeyValue(LineRecordReader.java:193)
at org.apache.hadoop.mapreduce.lib.input.DelegatingRecordReader.nextKeyValue(DelegatingRecordReader.java:89)
at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:562)
at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
at org.apache.hadoop.mapreduce.lib.input.DelegatingMapper.run(DelegatingMapper.java:55)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:177)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1886)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:171)
网上说是文件本身的问题，需要get下来用zcat检测；
还有个参数也会导致这个问题。
-D mapreduce.input.fileinputformat.split.minsize=134217728 -D mapreduce.input.fileinputformat.split.maxsize=512000000
设定最大最小切片的时候，有可能是文件切分的问题。
