Emmanuel Bourg created HADOOP-11519:
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Summary: ExcludePrivateAnnotationsJDiffDoclet uses GPL derived code
Key: HADOOP-11519
URL: https://issues.apache.org/jira/browse/HADOOP-11519
Project: Hadoop Common
Issue Type: Bug
Components: tools
Affects Versions: 2.6.0
Reporter: Emmanuel Bourg
Hi,
I think there may be a license issue with the JDiff library used by
{{ExcludePrivateAnnotationsJDiffDoclet}}. JDiff is licensed under the LGPL, but
it actually contains a class ported from GNU Diff which is licensed under the
GPL. This means that the whole library should be considered GPL and cannot be
used by Apache.
The GPL file in JDiff is {{DiffMyers.java}}:
http://javadiff.cvs.sourceforge.net/viewvc/javadiff/jdiff/src/jdiff/DiffMyers.java?revision=1.2&view=markup
It was translated from {{analyze.c}} in GNU Diff:
http://git.savannah.gnu.org/cgit/diffutils.git/tree/src/analyze.c?id=v2.7
The code structure, variable names and comments are highly similar, so there is
little doubt the code was copied and inherits the original GPL license.
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