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From Joe Witt <>
Subject Re: About Nar Classloader
Date Thu, 09 May 2019 02:52:46 GMT

We have not done the work to fully isolate the concept of a NiFi Archive
(Nar) such that it could be used outside of NiFi as a general classloader
isolation pattern.

There was one other person interested in helping make this happen in the
past but I'm not sure where it has gone.

With some of the recent advances in Java it might well be the case that a
more general purpose option exists (modules).

The concept of a NAR is at this time pretty tightly coupled to the NiFi
project by design.


On Wed, May 8, 2019 at 10:49 PM Jianan Zhang <>

> Hi all,
> I really like the idea of Nar-Bundle, it create namespaces that separate
> several dependency environments.
> I want to use Nar-Bundle in other java project, and I found the
> <nifi-nar-utils> artifact, but this utils seems to be custom-made to nifi.
> Does it exists standalone nar-utils or other similar utils?
> Thanks.

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