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From "John D. Ament" <johndam...@apache.org>
Subject Re: Update on Apache Toree and LGPL dependency
Date Sat, 05 Mar 2016 23:41:52 GMT
I have some reservations with what you're proposing, and would like you to
consult w/ legal-discuss on this first.

There's a difference between what Mynewt did and what you're proposing.
Specifically, this was a transitive dependency that they relied upon
indirectly, so its more of a call out for the library that was leveraging
it.  They also intended to replace the library.

In your case, you're directly tied to a presently LGPL'd library.  You have
no intentions (from what I can see) of moving off of the library.

I'm also doubting their long term goals of moving to MPL.  If you look at
[1], you'll see that the page hasn't been updated since October 2014.  In
addition, looking at the pages revision history (the beauty of wikis), the
intent to move to MPL was published in December 2013, making the statement
over 2 years old.

I think while this might be OK for an initial incubator release, the
project needs to weigh very heavily if it wants to continue to leverage
ZeroMQ or not going forward.

[1]: http://zeromq.org/area:licensing

On Sat, Mar 5, 2016 at 5:06 PM Gino Bustelo <gino@bustelos.com> wrote:

> Wanted to give folks an update on our progress with dealing with JeroMQ, an
> LGPL package that enables us to communicate via 0MQ. The 0MQ community is
> very aware of the issues with LGPL (LGPLv3 + static link exception) and it
> is their intention to try to move projects to MPL v2. This is not an easy
> task depending on the age and size of the projects.
>
> Apache Toree's API access point is through the 0MQ transport layer (using
> JeroMQ) and that is how Apache Toree connects out-of-the-box with Jupyter,
> a very common way of consuming Apache Toree that is already in production.
>
> At this point, the JeroMQ project is still released under LGPL, but our
> team initiated communications in mid-February with members of the JeroMQ
> community to begin their transition to MPL v2 (
> https://github.com/zeromq/jeromq/issues/326). The JeroMQ community reacted
> very positively and quickly began the process of collecting votes from
> their committers (https://github.com/zeromq/jeromq/issues/327). After 15
> days, the current tally stands at 26 out of 32 committers have agreed to
> switch license.
>
> Apache Toree has a JIRA (https://issues.apache.org/jira/browse/TOREE-262)
> where we keep all the relevant links and update with the latest
> information. As that process is underway, we will move forward with plans
> to release a 0.1.0 version of Apache Toree based on the precedence set by
> Apache Mynewt (
>
> http://mail-archives.apache.org/mod_mbox/incubator-general/201602.mbox/%3C5F118AA0-4ADA-403B-A6EB-4A85F0B30651%40me.com%3E
> ).
>
> Thanks,
> Gino
>

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