Bernardo Sulzbach, 20/01/2016 19:10:
If you could decompress it correctly (20151201), don't mind my report. I just would want it removed if it was confirmed to be a problematic file.
This is soon unneeded as new dumps are being generated: https://dumps.wikimedia.org/enwiki/20160113/
The issue was identified and fixed https://phabricator.wikimedia.org/T121348 hence it's expected that the new dump will be ok.
Nemo
P.s.: Going back to the original summary, as this is not about bz2 tools.