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Posted to users@jackrabbit.apache.org by sa...@oocl.com on 2013/03/04 20:25:40 UTC

Licensing of JCR in Jackrabbit

Hello,

We are evaluating Jackrabbit solution in a project that we are working on. It looks like the JCR 1.0 or JCR 2.0 jars, which contain the JCR APIs, are not part of the non-standalone distribution and so has to be downloaded separately. Question is if the JCR APIs found in the separate binary, javax.jcr.* falls under the Apache license as well. If not, how does Jackrabbit have access to the JCR API ?

Based on the text in the Jackrabbit project page (http://jackrabbit.apache.org/downloads.html)

Apache Jackrabbit releases are available under the Apache License, Version 2.0<http://www.apache.org/licenses/LICENSE-2.0>. See the NOTICE.txt file contained in each release artifact for applicable copyright attribution notices. Some Jackrabbit components contain external code with licenses that meet Apache licensing policies<http://www.apache.org/legal/resolved.html>. See the LICENSE.txt file contained in each release artifact for applicable licenses.

Here's another link that says that Apache Jackrabbit is licensed under Apache License 2.0 http://projects.apache.org/projects/jackrabbit.html

Thanks
Sara

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Re: Licensing of JCR in Jackrabbit

Posted by Ian Boston <ie...@tfd.co.uk>.

Hi,
The jcr license is compatible with the apache license to use. The only restriction on the jcr license is if you want to implement your own jcr implementation. If you do that you will need to read up the conditions which iirc are available on the java specification website. 

From the sound of it, you only want to use jackrabbit and build on top of it which means your good to go.

Hth
Ian

Sent from my iPhone

On 05/03/2013, at 6:25, <sa...@oocl.com> wrote:

> Hello,
> 
> We are evaluating Jackrabbit solution in a project that we are working on. It looks like the JCR 1.0 or JCR 2.0 jars, which contain the JCR APIs, are not part of the non-standalone distribution and so has to be downloaded separately. Question is if the JCR APIs found in the separate binary, javax.jcr.* falls under the Apache license as well.  If not, how does Jackrabbit have access to the JCR API ?
> 
> Based on the text in the Jackrabbit project page (http://jackrabbit.apache.org/downloads.html)
> 
> Apache Jackrabbit releases are available under the Apache License, Version 2.0<http://www.apache.org/licenses/LICENSE-2.0>. See the NOTICE.txt file contained in each release artifact for applicable copyright attribution notices. Some Jackrabbit components contain external code with licenses that meet Apache licensing policies<http://www.apache.org/legal/resolved.html>. See the LICENSE.txt file contained in each release artifact for applicable licenses.
> 
> Here's another link that says that Apache Jackrabbit is licensed under Apache License 2.0  http://projects.apache.org/projects/jackrabbit.html
> 
> Thanks
> Sara
> 
> IMPORTANT NOTICE
> Email from OOCL is confidential and may be legally privileged.  If it is not
> intended for you, please delete it immediately unread.  The internet
> cannot guarantee that this communication is free of viruses, interception
> or interference and anyone who communicates with us by email is taken
> to accept the risks in doing so.  Without limitation, OOCL and its affiliates
> accept no liability whatsoever and howsoever arising in connection with
> the use of this email.  Under no circumstances shall this email constitute
> a binding agreement to carry or for provision of carriage services by OOCL,
> which is subject to the availability of carrier's equipment and vessels and
> the terms and conditions of OOCL's standard bill of lading which is also
> available at http://www.oocl.com.

Concurrent checkin in Jackrabbit

Posted by "De Georges, Adrien" <Ad...@experian.com>.

Hello everyone,

I have a question about how JackRabbit is managing concurrent checkin. I am quite sure that no method is synchronized in VersionManager source code.
I am experiencing a strange scenario where a branch is created during a checkin (I mean the version of the checkin is X.X.X and not just X.X). I am thinking about 2 different sessions (in XA transactions) accessing to the same node for checkin almost at the same time. The first one calls checkin on the node. The second one call checkin and the version name is calculated. And the VersionManager appends a ".O" at the end of the version name because the predecessor already have a successor.
Is it the normal behaviour? Does somebody already experience this scenario?
Thanks a lot

Regards,
Adrien

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AW: Licensing of JCR in Jackrabbit

Posted by "Seidel. Robert" <Ro...@aeb.de>.

Hi,

javax.jcr.* is the API interface of JSR 170 & JSR 283. It is licensed under a license equal to Apache 2.0 license (http://tech.groups.yahoo.com/group/jcr-crx/message/7).

Jackrabbit is an implementation of this API interface.

Regards, Robert

-----Ursprüngliche Nachricht-----
Von: sara.krishnan@oocl.com [mailto:sara.krishnan@oocl.com]
Gesendet: Montag, 4. März 2013 20:26
An: users@jackrabbit.apache.org
Betreff: Licensing of JCR in Jackrabbit
Wichtigkeit: Hoch

Hello,

Based on the text in the Jackrabbit project page (http://jackrabbit.apache.org/downloads.html)

Here's another link that says that Apache Jackrabbit is licensed under Apache License 2.0 http://projects.apache.org/projects/jackrabbit.html

Thanks
Sara

IMPORTANT NOTICE
Email from OOCL is confidential and may be legally privileged. If it is not intended for you, please delete it immediately unread. The internet cannot guarantee that this communication is free of viruses, interception or interference and anyone who communicates with us by email is taken to accept the risks in doing so. Without limitation, OOCL and its affiliates accept no liability whatsoever and howsoever arising in connection with the use of this email. Under no circumstances shall this email constitute a binding agreement to carry or for provision of carriage services by OOCL, which is subject to the availability of carrier's equipment and vessels and the terms and conditions of OOCL's standard bill of lading which is also available at http://www.oocl.com.