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https://issues.apache.org/jira/browse/HADOOP-15196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589827#comment-16589827
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Brahma Reddy Battula commented on HADOOP-15196:
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Uploaded the patch to ignore the '*trailing garbage*'. Kindly review.
> Zlib decompression fails when file having trailing garbage
> ----------------------------------------------------------
>
> Key: HADOOP-15196
> URL: https://issues.apache.org/jira/browse/HADOOP-15196
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Priority: Major
> Attachments: HADOOP-15196.patch
>
>
> *When file has trailing garbage gzip will ignore.*
> {noformat}
> gzip -d 2018011309-js.rishenglipin.com.gz
> gzip: 2018011309-js.rishenglipin.com.gz: decompression OK, trailing garbage
> ignored
> {noformat}
> *when we use same file and decompress,we got following.*
> {noformat}
> 2018-01-13 14:23:43,151 | WARN | task-result-getter-3 | Lost task 0.0 in
> stage 345.0 (TID 5686, node-core-gyVYT, executor 3): java.io.IOException:
> unknown compression method
> at
> org.apache.hadoop.io.compress.zlib.ZlibDecompressor.inflateBytesDirect(Native
> Method)
> at
> org.apache.hadoop.io.compress.zlib.ZlibDecompressor.decompress(ZlibDecompressor.java:225)
> at
> org.apache.hadoop.io.compress.DecompressorStream.decompress(DecompressorStream.java:91)
> at
> org.apache.hadoop.io.compress.DecompressorStream.read(DecompressorStream.java:85)
> {noformat}
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