The answer is no. None of the code within Lucene.Net is GPL. All Apache products are under the Apache License.
> -----Original Message----- > From: Ron Grabowski [mailto:rongrabow...@yahoo.com] > Sent: Thursday, October 06, 2011 12:11 AM > To: lucene-net-...@lucene.apache.org > Subject: Re: [Lucene.Net] Asking about Lucene.net License > > I think he was asking if any of the code within Lucene.Net is GPL. > > > ________________________________ > From: Scott Lombard <lombardena...@gmail.com> > To: lucene-net-...@lucene.apache.org > Sent: Wednesday, October 5, 2011 5:08 PM > Subject: RE: [Lucene.Net] Asking about Lucene.net License > > Asha, > > Lucene.net is an Apache Incubator project and is only distributed under an > Apache License version 2. If you are using a GPL 3 License then there is > documented compatibility between the licenses as described on the page > http://www.apache.org/licenses/GPL-compatibility.html. Give this > compatibility you can include Lucene.net in a GPL 3 project. I am not > sure > how on all of the mechanics of this inclusion but it can be done. > > Scott > > > -----Original Message----- > > From: Asha Kang [mailto:stereo...@gmail.com] > > Sent: Tuesday, October 04, 2011 8:57 PM > > To: lucene-net-...@lucene.apache.org > > Subject: [Lucene.Net] Asking about Lucene.net License > > > > Hi this is Asha Kang from Korea. > > > > the reason i`m writing this email is that I`d like to make sure which > > license Lucene.net is following. > > Now I`m developing Search Engine by using Lucene.net. > > As I know, Lucene.net follows apache licene 2.0. > > but my co-woker told me that some classes included in lucene.net`s dll > > could follow GPL License. > > So now I`m confused. > > Are there any classes following GPL LICENSE? > > Do I need to follow two license apache license 2.0 and GPL LICENSE? > > > > I'm looking forward to replying from you. > > > > bset regards > > > > Asha Kang.
