Github user bzz commented on the issue: https://github.com/apache/zeppelin/pull/1170 I see, generated source code is not available, thank you for clarification! So we should assume that we are including in the Apache Zeppelin release convenience binary a non-opensource third-party binary, distributed under permissive license. We need a proper attribution then, but to be honest with you - I think we might need a hand from LEGAL branch of ASF here, as it's the first time we deal with such matter. I think everything is fine and it should be possible, will just require a propper attribution. I will bet back to you ASAP here, as we triage it with ASF.
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