Dye357 created COMPRESS-330:
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Summary: Tar UnArchive Fails when archive contains directory sizes
which are non-zero.
Key: COMPRESS-330
URL: https://issues.apache.org/jira/browse/COMPRESS-330
Project: Commons Compress
Issue Type: Bug
Components: Archivers
Affects Versions: 1.10
Environment: Java 1.8
Reporter: Dye357
Priority: Minor
Tar UnArchive Fails when archive contains directory sizes which are non-zero. I
recently came across a set of files which failed to extract with
commons-compress but I was able to successfully extract the files with GNU tar.
The problem is TarArchiveInputStream.java gets the size of each entry in a tar
archive to determine how many bytes to read ahead. Directories are always sized
0 bytes, however its technically possible a tar archive contains a size for a
directory. This causes the Input Stream to loose it's place and eventually
results in an exception being thrown.
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