[jira] [Resolved] (COMPRESS-467) Could not unzip the file properly

["Stefan Bodewig (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COMPRESS-467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Bodewig resolved COMPRESS-467.
-------------------------------------
    Resolution: Not A Problem

Don't worry. I haven't seen concatenated bzip2 streams often but the 900k size gave me the clue as this is the default block size of bzip2. Most likely your compressed file has been created by a tool that supports parallel compressions and each compressor thread created one stream.

> Could not unzip the file properly
> ---------------------------------
>
>                 Key: COMPRESS-467
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-467
>             Project: Commons Compress
>          Issue Type: Bug
>         Environment: Window 7
>            Reporter: Yang Lin
>            Priority: Major
>              Labels: windows
>         Attachments: HS_H08_20180927_0600_B02_FLDK_R10_S0110.DAT.bz2
>
>
> When I use WinRAR unzip one file, I can get the result file properly which size is about 24,200,000 bytes. But I use commons-compress unzip this file, can only get 900,000 bytes(Operation process: sourceFile -> byte[] -> InputStream). In another way to unzip this file using commons-compress, sourceFile -> InputStream, throw Exception: java.io.IOException: Stream is not in the BZip2 format, at org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream.init(BZip2CompressorInputStream.java:261).
> Thank you in advance!



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