BlockDecompressorStream get EOF exception when decompressing the file compressed from empty file ------------------------------------------------------------------------------------------------
Key: HADOOP-6663 URL: https://issues.apache.org/jira/browse/HADOOP-6663 Project: Hadoop Common Issue Type: Bug Components: io Affects Versions: 0.20.2 Reporter: Xiao Kang An empty file can be compressed using BlockDecompressorStream, which is for block-based compressiong algorithm such as LZO. However, when decompressing the compressed file, BlockDecompressorStream get EOF exception. Here is a typical exception stack: java.io.EOFException at org.apache.hadoop.io.compress.BlockDecompressorStream.rawReadInt(BlockDecompressorStream.java:125) at org.apache.hadoop.io.compress.BlockDecompressorStream.getCompressedData(BlockDecompressorStream.java:96) at org.apache.hadoop.io.compress.BlockDecompressorStream.decompress(BlockDecompressorStream.java:82) at org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:74) at java.io.InputStream.read(InputStream.java:85) at org.apache.hadoop.util.LineReader.readLine(LineReader.java:134) at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:134) at org.apache.hadoop.mapred.LineRecordReader.next(LineRecordReader.java:39) at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:186) at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:170) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48) at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:18) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:334) at org.apache.hadoop.mapred.Child.main(Child.java:196) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.