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From Willem Jiang <>
Subject Re: New camel-cassandra component: Licenses doubt
Date Wed, 17 Dec 2014 13:01:51 GMT

I’m not sure if we use LGPLv3 jar inside of Apache Camel, but we have camel-extra[1] to
host the components which may not be hosted Apache Camel repository due to license issue.


Willem Jiang

Red Hat, Inc.
Blog: (English) (Chinese)
Twitter: willemjiang  
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On December 17, 2014 at 12:07:14 AM, Andrea Cosentino ( wrote:
> Hi all,
> I'm currently working on a new component: camel-cassandra.
> This component will use: - Datastax Java Driver (Apache License 2.0)
> and for unit testing - Cassandra-Unit
> My doubt is related to this last project. This work is licensed under LGPL V 3.0 and
> be very useful to have an embedded cassandra instance in the camel component test classes.
> Is LGPL V 3.0 compatible with Apache License 2.0? From the GPL Compatibility on
> I'd say yes. Anyway I prefer to have an answer from the community.
> The datastax java driver use the following compressor: LZ4Compressor, SnappyCompressor
> and DeflateCompressor as documentation reports.
> Anyway this compressors use different licenses: LZ4Compressor have a new BSD license,
> while Snappy compressor use Apache License 2.0. At this moment I'm not including these
> libraries in the pom.xml, the only evidence of this is a Warning. Do you have any ideas
> on how to manage this situation?
> Thanks a lot,Bye,Andrea Cosentino

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