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From Craig Russell <>
Subject Re: Toree's One Release Constraint
Date Thu, 19 May 2016 21:58:27 GMT
I found Jim’s message from February 24 in which he says that for one release, he’s ok with
having the LGPL dependency.

Given that substantial progress has been made and continues to be made on getting the dependency
relicensed, I expect that asking for permission for another release in the incubator with
the same LGPL dependency should also be granted.


> On May 19, 2016, at 12:04 PM, Gino Bustelo <> wrote:
> "one release constraint" as in we can only have one release with the LGPL
> dependency. No other release until that dependency is resolved.
> On Thu, May 19, 2016 at 1:33 PM, Mike Jumper <>
> wrote:
>> On May 19, 2016 10:30 AM, "Gino Bustelo" <> wrote:
>>> I write this to start a discussion about the "One release constraint"
>>> placed on Toree and what I feel is an unreasonable constraint on a
>> project
>>> that is undergoing incubation. A brief background first...
>>> In Toree we have an LGPL dependency that is not a simple rip an replace.
>>> The library is JeroMQ and it is a JVM binding to 0MQ. This is THE
>> protocol
>>> layer used in Jupyter between clients and kernels (Toree serves as a
>>> Jupyter kernel). Over the past months, we've worked with the JeroMQ
>>> community to help move along a license change to MPL v2 (
>>> The progress showed huge
>>> promised at the start and we are down to 3 committers out of 31 who have
>>> not responded. The JeroMQ community is moving towards code remediation.
>>> In my opinion, this effort shows great inter-OS community cooperation and
>>> something that should be valued by Apache. Why rewrite and maintain code
>>> that already exist? Why not allow the process to take place? Isn't that
>>> what the incubation period is for? Allow projects to resolve concerns
>>> before they graduate?
>>> So my question is, why one release? This has been our biggest impediment
>> in
>>> putting an official incubation release out. We are ready. We have all the
>>> disclaimer in place alerting the user that Toree contains LGPL code. The
>>> biggest concern is releasing and discovering a defect that we would not
>> be
>>> able to fix due to the "One release constraint".
>>> Again... I just wish to start the discussion and find a resolution that
>>> will allow Toree to properly grow and move forward with its incubation.
>>> Thanks,
>>> Gino
>> Hi Gino,
>> What "one release constraint" are you referring to?
>> Thanks,
>> - Mike

Craig L Russell
P.S. A good JDO? O, Gasp!

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