• hadoop java.io.EOFException: Unexpected end of input stream


    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。

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  • 原文地址:https://www.cnblogs.com/yanghaolie/p/9067309.html
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