You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@harmony.apache.org by bootjvm <bo...@earthlink.net> on 2006/09/29 16:40:53 UTC
Re: [general] centralization of the NOTICE, COPYRIGHT, etc files
A while back, Geir asked for someone to volunteer to take a
look at his first pass at gathering all of the COPYRIGHT,
LICENSE, NOTICE, and other such files from the top level of
the several Harmony directory trees that he had gathered
them into 'harmony/enhanced/trunk'.
I have taken a look at these and have summarized them below.
Following that is a short proposal as to what to do about
finishing this process that Geir started by eliminating the
redundancies while retaining the unique elements of these
files for each area. From the Harmony SVN repository
https://svn.apache.org/repos/asf/incubator/harmony/enhanced:
trunk/
COPYRIGHT -- contains these declarations:
(C) Copyright 2005 Intel Corporation
(C) Copyright 2005-2006 Intel Corporation
INCUBATOR_NOTICE.txt
"...Incubation is required of all newly accepted projects..."
LICENSE
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses ...
TERMS AND CONDITIONS FOR USE, REPRODUCTION, ...
1. Definitions. ...
NOTICE -- re ASF License 2.0 section 4 d: "Portions of Harmony..."
Intel Corporation
Internet Society RFC 3280 re X.509 Public Key Infrastructure
THIRD_PARTY_NOTICES.txt -- regarding a number of packages:
ICU4C version 3.4:
ICU License - ICU 1.8.1 and later-- IBM 1995-2005
ICU4J version 3.4:
ICU4J 1.3.1 and later-- IBM 1995-2005
ICU4JNI version 3.4:
ICU4JNI 1.3.1 and later-- IBM 1995-2005
FDLIBM version 5.2:
Sun 2004
ZLIB version 1.2.3:
1995-2004 Jean-loup Gailly and Mark Adler
Visual C++ Runtime Files:
The file msvcr71.dll is the Microsoft(R) C Runtime Library.
This file is redistributed from Microsoft(R) Visual
Studio 7.1
Bouncy Castle version 133:
2000 - 2006 The Legion Of The Bouncy Castle
MX4J 3.0.1:
The MX4J License, Version 1.0
Copyright (c) 2001-2004 by the MX4J contributors
The Independent JPEG Group's JPEG software
1991-1998, Thomas G. Lane
Little CMS
1998-2004 Marti Maria
libpng
2004, 2006 Glenn Randers-Pehrson
Unicode Character Database
1991-2005 Unicode, Inc.
classlib/trunk
COPYRIGHT
identical to 'trunk/COPYRIGHT' regarding
"(C) Copyright 2005 Intel Corporation"
LICENSE
identical to 'trunk/LICENSE'
NOTICE
identical to 'trunk/NOTICE'
README.txt
"...Incubation is required of all newly accepted projects..."
same as 'trunk/INCUBATOR_NOTICE.txt', plus additional information
following)
THIRD_PARTY_NOTICES.txt
identical to 'trunk/THIRD_PARTY_NOTICES.txt'
classlib/trunk/modules/rmi
COPYRIGHT
identical to 'trunk/COPYRIGHT' regarding
"(C) Copyright 2005-2006 Intel Corporation"
LICENSE
identical to 'trunk/LICENSE'
NOTICE
identical to 'trunk/NOTICE' portion regarding Intel Corporation
drlvm/trunk
COPYRIGHT
identical to 'trunk/COPYRIGHT' regarding
"(C) Copyright 2005-2006 Intel Corporation"
LICENSE
identical to 'trunk/LICENSE'
NOTICE
identical to 'trunk/NOTICE' portion regarding Intel Corporation
jchevm
LICENSE
identical to 'trunk/LICENSE'
NOTICE
Same as 'trunk/NOTICE' portion regarding portion
regarding, "This product includes software developed by the ASF"
but then adds info about code derived from the SableVM project.
Here is a possible way to meet Geir's original objectives:
(1) Make 'trunk' the focal point where all such files are gathered.
(2) For files that are completely common between the projects, such
as 'LICENSE', remove the copies in each directory and replace
them in SVN with a symbolic link to the version in 'trunk'.
(3) For files that have significant redundant content, replace the
common portions of these files with statements referencing the
relevant language in a like-named file in 'trunk'. As an
alternative, retain the language but add a reference to
the common file.
(4) In order to protect the integrity of the licensing agreements
for bulk contributions, maintain their existing 'COPYRIGHT'
files as they stand, but add a related file to 'trunk' that
has the same exact contents. Should the original files change,
which is highly unlikely, since it concerns a historical event,
then the 'trunk' version would be updated also. (By keeping these
files as they stand, then there can never be any question as to
the arrangement by which that code came into the ASF, thus
protecting all parties.) The relevant files are:
classlib/trunk/COPYRIGHT: "(C) Copyright 2005 Intel Corporation"
classlib/trunk/modules/rmi/COPYRIGHT:
"(C) Copyright 2005-2006 Intel
Corporation"
drlvm/trunk/COPYRIGHT: "(C) Copyright 2005-2006 Intel
Corporation"
The suggested additions become:
trunk/COPYRIGHT.classlib: "(C) Copyright 2005 Intel Corporation"
trunk/COPYRIGHT.dlrvm: "(C) Copyright 2005-2006 Intel
Corporation"
trunk/COPYRIGHT: remove this file
The existing file 'trunk/COPYRIGHT' would be removed because it only
contains the messages from the two other directories, yet does not
state which copyright notice goes with which contribution.
(5) The LICENSE files may be combined into one central location:
trunk/LICENSE The central focus and target of all
others
classlib/trunk/LICENSE Replaced by symbolic link to
'trunk/LICENSE'
classlib/trunk/modules/rmi/LICENSE
Replaced by symbolic link to
'trunk/LICENSE'
drlvm/trunk/LICENSE Replaced by symbolic link to
'trunk/LICENSE'
jchevm/LICENSE Replaced by symbolic link to
'trunk/LICENSE'
(6) The NOTICE files retain their existing text, but adds a statement
such
as, "This notice also appears in the main
'harmony/enhanced/trunk/NOTICE'
file, where all such notices appear."
trunk/NOTICE Contains a grand union of all NOTICE
files.
classlib/trunk/NOTICE Adds this message at the end of its text
classlib/trunk/modules/rmi/LICENSE
Adds this message at the end of its text
drlvm/trunk/LICENSE Adds this message at the end of its text
jchevm/LICENSE Adds this message at the end of its text
(7) The THIRD_PARTY_NOTICES.txt files may be combined into one
central location:
trunk/THIRD_PARTY_NOTICE.txt The central focus and target of all
others
classlib/trunk/THIRD_PARTY_NOTICE.txt
* Replaced by symbolic link to
'trunk/THIRD_PARTY_NOTICES.txt'
--OR--
* Add language at the end of this file
to
the effect "this list is part of
a project-wide list found in
'trunk/THIRD_PARTY_NOTICES.txt'
(Comments?)
(8) Ad hoc changes to selected files, namely:
classlib/trunk/README.txt Remove language that is identical to
'trunk/INCUBATOR_NOTICE.txt', then
in its place, add reference to that file
for such information.
(9) All other files are unchanged, namely:
trunk/INCUBATOR_NOTICE.txt
(10) In _all_ such files, set 'svn propset svn:eol-style=native' to avoid
white space differences in comparison between them and usage by all
interested parties without wrangling with this issue.
(11) Future bulk contributions 'harmony/enhanced/foo' would then
follow this same general approach:
(a) to gather all common files into 'harmony/enhanced/trunk' and
point symbolic links to them.
(b) Add a 'harmony/enhanced/trunk/COPYRIGHT.foo' file containing
their prior copyright information.
(c) Any NOTICE file would add the appropriate reference to
'trunk/NOTICE' and extend that file with any new language.
(d) Third party notices would be added at the end of
'trunk/THIRD_PARTY_NOTICES.txt' and add a symbolic
link 'foo/THIRD_PARTY_NOTICES.txt' to point to that addition,
or add a file by that name containing _only_ the new
information and language referring to the global one.
(Comments?)
(12) Suggest replacing the name 'THIRD_PARTY_NOTICES.txt' simply
with 'THIRD_PARTY_NOTICES' (for consistency in naming), perhaps
in 'classlib/trunk' adding a symbolic link with the old name
pointing to the new.
Your comments would be appreciated.
Dan Lydick
> [Original Message]
> From: Geir Magnusson Jr <ge...@pobox.com>
> To: <ha...@incubator.apache.org>
> Date: 7/20/06 9:52:37 PM
> Subject: Re: [general] centralization of the NOTICE, COPYRIGHT, etc files
>
> Well, go for it! See what I have in there now and see what you think...
>
> geir
>
>
> bootjvm wrote:
> > Geir,
> >
> > I have been working off and on with on putting together
> > a contribution for this purpose. It has all the things you
> > mentioned plus some more things. If you like, I would
> > be glad to put it together shortly and submit for The List's
> > inspection and approval. What do you say?
> >
> >
> > Dan Lydick
> >
> >
> >> [Original Message]
> >> From: Geir Magnusson Jr <ge...@pobox.com>
> >> To: <ha...@incubator.apache.org>
> >> Date: 7/20/06 2:07:14 PM
> >> Subject: [general] centralization of the NOTICE, COPYRIGHT, etc files
> >>
> >> If you haven't guessed from my random checkins, questions, and
> >> befuddlement, I'm finishing off a first cut at a federated build.
> >>
> >> The plan is to cut a hdk and a jre snapshot. The HDK will contain the
> >> jre, but I thought it would be more conventional for users to get a
> >> plain jre and not have to figure out what a HDK is.
> >>
> >> Now, I want to coalesce the NOTICE, COPYRIGHT, 3rd party, etc files
into
> >> one project-wide file in
> >>
> >> enhanced/trunk/
> >>
> >> and replace the ones we have in classlib/, drlvm/ etc with a NOTICE,
etc
> >> file that points to the root one.
> >>
> >> Any complaints, suggestions?
> >>
> >> geir
> >>
> >> ---------------------------------------------------------------------
> >> Terms of use : http://incubator.apache.org/harmony/mailing.html
> >> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> >> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
> >>
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> > Terms of use : http://incubator.apache.org/harmony/mailing.html
> > To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> > For additional commands, e-mail: harmony-dev-help@incubator.apache.org
> >
> >
> >
>
> ---------------------------------------------------------------------
> Terms of use : http://incubator.apache.org/harmony/mailing.html
> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>
---------------------------------------------------------------------
Terms of use : http://incubator.apache.org/harmony/mailing.html
To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
For additional commands, e-mail: harmony-dev-help@incubator.apache.org
Re: [general] centralization of the NOTICE, COPYRIGHT, etc files
Posted by Tim Ellison <t....@gmail.com>.
There's a lot to take in here Dan. Some comments in-line.
bootjvm wrote:
> A while back, Geir asked for someone to volunteer to take a
> look at his first pass at gathering all of the COPYRIGHT,
> LICENSE, NOTICE, and other such files from the top level of
> the several Harmony directory trees that he had gathered
> them into 'harmony/enhanced/trunk'.
Ok. There is certainly duplication in places, the challenge is to
ensure that the modular code structure stays intact (so we don't end up
with, say, JCHEVM notices in a build that doesn't contain the code!)
> I have taken a look at these and have summarized them below.
> Following that is a short proposal as to what to do about
> finishing this process that Geir started by eliminating the
> redundancies while retaining the unique elements of these
> files for each area. From the Harmony SVN repository
> https://svn.apache.org/repos/asf/incubator/harmony/enhanced:
>
> trunk/
> COPYRIGHT -- contains these declarations:
> (C) Copyright 2005 Intel Corporation
> (C) Copyright 2005-2006 Intel Corporation
>
> INCUBATOR_NOTICE.txt
> "...Incubation is required of all newly accepted projects..."
>
> LICENSE
> Apache License
> Version 2.0, January 2004
> http://www.apache.org/licenses ...
> TERMS AND CONDITIONS FOR USE, REPRODUCTION, ...
> 1. Definitions. ...
>
> NOTICE -- re ASF License 2.0 section 4 d: "Portions of Harmony..."
> Intel Corporation
> Internet Society RFC 3280 re X.509 Public Key Infrastructure
Currently, I take the NOTICE file to be our (Apache's) notices to the
recipient, such as the copyright statement and arguably the incubator
notice, and...
> THIRD_PARTY_NOTICES.txt -- regarding a number of packages:
THIRD_PARTY_NOTICES is the notices that we pass on from code/resources
we have used in our implementation. In principle we can roll them all
into a single NOTICE file if that helps.
> ICU4C version 3.4:
> ICU License - ICU 1.8.1 and later-- IBM 1995-2005
> ICU4J version 3.4:
> ICU4J 1.3.1 and later-- IBM 1995-2005
> ICU4JNI version 3.4:
> ICU4JNI 1.3.1 and later-- IBM 1995-2005
> FDLIBM version 5.2:
> Sun 2004
> ZLIB version 1.2.3:
> 1995-2004 Jean-loup Gailly and Mark Adler
> Visual C++ Runtime Files:
> The file msvcr71.dll is the Microsoft(R) C Runtime Library.
> This file is redistributed from Microsoft(R) Visual
> Studio 7.1
> Bouncy Castle version 133:
> 2000 - 2006 The Legion Of The Bouncy Castle
> MX4J 3.0.1:
> The MX4J License, Version 1.0
> Copyright (c) 2001-2004 by the MX4J contributors
> The Independent JPEG Group's JPEG software
> 1991-1998, Thomas G. Lane
> Little CMS
> 1998-2004 Marti Maria
> libpng
> 2004, 2006 Glenn Randers-Pehrson
> Unicode Character Database
> 1991-2005 Unicode, Inc.
Yep. Some of these are required notices and some are courtesy notices.
> classlib/trunk
> COPYRIGHT
> identical to 'trunk/COPYRIGHT' regarding
> "(C) Copyright 2005 Intel Corporation"
>
> LICENSE
> identical to 'trunk/LICENSE'
>
> NOTICE
> identical to 'trunk/NOTICE'
>
> README.txt
> "...Incubation is required of all newly accepted projects..."
> same as 'trunk/INCUBATOR_NOTICE.txt', plus additional information
> following)
>
> THIRD_PARTY_NOTICES.txt
> identical to 'trunk/THIRD_PARTY_NOTICES.txt'
I expect that many of these were copied-up (rather than moved), hence
the duplication.
> classlib/trunk/modules/rmi
> COPYRIGHT
> identical to 'trunk/COPYRIGHT' regarding
> "(C) Copyright 2005-2006 Intel Corporation"
>
> LICENSE
> identical to 'trunk/LICENSE'
>
> NOTICE
> identical to 'trunk/NOTICE' portion regarding Intel Corporation
A hang-over from the original contribution -- I think these can be
merged-up now.
> drlvm/trunk
> COPYRIGHT
> identical to 'trunk/COPYRIGHT' regarding
> "(C) Copyright 2005-2006 Intel Corporation"
>
> LICENSE
> identical to 'trunk/LICENSE'
>
> NOTICE
> identical to 'trunk/NOTICE' portion regarding Intel Corporation
>
> jchevm
> LICENSE
> identical to 'trunk/LICENSE'
>
> NOTICE
> Same as 'trunk/NOTICE' portion regarding portion
> regarding, "This product includes software developed by the ASF"
> but then adds info about code derived from the SableVM project.
>
>
> Here is a possible way to meet Geir's original objectives:
>
> (1) Make 'trunk' the focal point where all such files are gathered.
which trunk <g>?
> (2) For files that are completely common between the projects, such
> as 'LICENSE', remove the copies in each directory and replace
> them in SVN with a symbolic link to the version in 'trunk'.
'the projects'? and what do you mean by symbolic link? more
svn:externals :-( ?
> (3) For files that have significant redundant content, replace the
> common portions of these files with statements referencing the
> relevant language in a like-named file in 'trunk'. As an
> alternative, retain the language but add a reference to
> the common file.
I would imagine that the duplication is in boilerplate files like the
ASL file, but is there duplication in third party notices between
'classlib', 'drlvm', 'jchevm', etc.?
> (4) In order to protect the integrity of the licensing agreements
> for bulk contributions, maintain their existing 'COPYRIGHT'
> files as they stand, but add a related file to 'trunk' that
> has the same exact contents. Should the original files change,
> which is highly unlikely, since it concerns a historical event,
> then the 'trunk' version would be updated also. (By keeping these
> files as they stand, then there can never be any question as to
> the arrangement by which that code came into the ASF, thus
> protecting all parties.) The relevant files are:
>
> classlib/trunk/COPYRIGHT: "(C) Copyright 2005 Intel Corporation"
>
> classlib/trunk/modules/rmi/COPYRIGHT:
> "(C) Copyright 2005-2006 Intel
> Corporation"
>
> drlvm/trunk/COPYRIGHT: "(C) Copyright 2005-2006 Intel
> Corporation"
>
> The suggested additions become:
>
> trunk/COPYRIGHT.classlib: "(C) Copyright 2005 Intel Corporation"
>
> trunk/COPYRIGHT.dlrvm: "(C) Copyright 2005-2006 Intel
> Corporation"
>
> trunk/COPYRIGHT: remove this file
>
> The existing file 'trunk/COPYRIGHT' would be removed because it only
> contains the messages from the two other directories, yet does not
> state which copyright notice goes with which contribution.
What is the difference, therefore, between having
classlib/trunk/COPYRIGHT
drlvm/trunk/COPYRIGHT
and
trunk/COPYRIGHT.classlib
trunk/COPYRIGHT.dlrvm
> (5) The LICENSE files may be combined into one central location:
>
> trunk/LICENSE The central focus and target of all
> others
>
> classlib/trunk/LICENSE Replaced by symbolic link to
> 'trunk/LICENSE'
>
> classlib/trunk/modules/rmi/LICENSE
Not sure that we need to call out RMI as a special case.
> Replaced by symbolic link to
> 'trunk/LICENSE'
>
> drlvm/trunk/LICENSE Replaced by symbolic link to
> 'trunk/LICENSE'
>
> jchevm/LICENSE Replaced by symbolic link to
> 'trunk/LICENSE'
>
>
> (6) The NOTICE files retain their existing text, but adds a statement
> such
> as, "This notice also appears in the main
> 'harmony/enhanced/trunk/NOTICE'
> file, where all such notices appear."
That won't mean much to the recipient of a build though.
>
> trunk/NOTICE Contains a grand union of all NOTICE
> files.
>
> classlib/trunk/NOTICE Adds this message at the end of its text
>
> classlib/trunk/modules/rmi/LICENSE
> Adds this message at the end of its text
>
> drlvm/trunk/LICENSE Adds this message at the end of its text
>
> jchevm/LICENSE Adds this message at the end of its text
>
>
> (7) The THIRD_PARTY_NOTICES.txt files may be combined into one
> central location:
>
> trunk/THIRD_PARTY_NOTICE.txt The central focus and target of all
> others
>
> classlib/trunk/THIRD_PARTY_NOTICE.txt
> * Replaced by symbolic link to
> 'trunk/THIRD_PARTY_NOTICES.txt'
> --OR--
> * Add language at the end of this file
> to
> the effect "this list is part of
> a project-wide list found in
> 'trunk/THIRD_PARTY_NOTICES.txt'
> (Comments?)
As above, is there overlap here?
> (8) Ad hoc changes to selected files, namely:
>
> classlib/trunk/README.txt Remove language that is identical to
> 'trunk/INCUBATOR_NOTICE.txt', then
> in its place, add reference to that file
> for such information.
Do you need to cross-reference like this?
> (9) All other files are unchanged, namely:
>
> trunk/INCUBATOR_NOTICE.txt
>
>
> (10) In _all_ such files, set 'svn propset svn:eol-style=native' to avoid
> white space differences in comparison between them and usage by all
> interested parties without wrangling with this issue.
Sure.
> (11) Future bulk contributions 'harmony/enhanced/foo' would then
> follow this same general approach:
>
> (a) to gather all common files into 'harmony/enhanced/trunk' and
> point symbolic links to them.
>
> (b) Add a 'harmony/enhanced/trunk/COPYRIGHT.foo' file containing
> their prior copyright information.
>
> (c) Any NOTICE file would add the appropriate reference to
> 'trunk/NOTICE' and extend that file with any new language.
>
> (d) Third party notices would be added at the end of
> 'trunk/THIRD_PARTY_NOTICES.txt' and add a symbolic
> link 'foo/THIRD_PARTY_NOTICES.txt' to point to that addition,
> or add a file by that name containing _only_ the new
> information and language referring to the global one.
> (Comments?)
Hopefully covered by comments above.
> (12) Suggest replacing the name 'THIRD_PARTY_NOTICES.txt' simply
> with 'THIRD_PARTY_NOTICES' (for consistency in naming), perhaps
> in 'classlib/trunk' adding a symbolic link with the old name
> pointing to the new.
Sure
> Your comments would be appreciated.
Thanks for tackling it Dan.
Regards,
Tim
> Dan Lydick
>
>> [Original Message]
>> From: Geir Magnusson Jr <ge...@pobox.com>
>> To: <ha...@incubator.apache.org>
>> Date: 7/20/06 9:52:37 PM
>> Subject: Re: [general] centralization of the NOTICE, COPYRIGHT, etc files
>>
>> Well, go for it! See what I have in there now and see what you think...
>>
>> geir
>>
>>
>> bootjvm wrote:
>>> Geir,
>>>
>>> I have been working off and on with on putting together
>>> a contribution for this purpose. It has all the things you
>>> mentioned plus some more things. If you like, I would
>>> be glad to put it together shortly and submit for The List's
>>> inspection and approval. What do you say?
>>>
>>>
>>> Dan Lydick
>>>
>>>
>>>> [Original Message]
>>>> From: Geir Magnusson Jr <ge...@pobox.com>
>>>> To: <ha...@incubator.apache.org>
>>>> Date: 7/20/06 2:07:14 PM
>>>> Subject: [general] centralization of the NOTICE, COPYRIGHT, etc files
>>>>
>>>> If you haven't guessed from my random checkins, questions, and
>>>> befuddlement, I'm finishing off a first cut at a federated build.
>>>>
>>>> The plan is to cut a hdk and a jre snapshot. The HDK will contain the
>>>> jre, but I thought it would be more conventional for users to get a
>>>> plain jre and not have to figure out what a HDK is.
>>>>
>>>> Now, I want to coalesce the NOTICE, COPYRIGHT, 3rd party, etc files
> into
>>>> one project-wide file in
>>>>
>>>> enhanced/trunk/
>>>>
>>>> and replace the ones we have in classlib/, drlvm/ etc with a NOTICE,
> etc
>>>> file that points to the root one.
>>>>
>>>> Any complaints, suggestions?
>>>>
>>>> geir
>>>>
>>>> ---------------------------------------------------------------------
>>>> Terms of use : http://incubator.apache.org/harmony/mailing.html
>>>> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
>>>> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>>>>
>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> Terms of use : http://incubator.apache.org/harmony/mailing.html
>>> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
>>> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>>>
>>>
>>>
>> ---------------------------------------------------------------------
>> Terms of use : http://incubator.apache.org/harmony/mailing.html
>> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
>> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>>
>
>
>
>
> ---------------------------------------------------------------------
> Terms of use : http://incubator.apache.org/harmony/mailing.html
> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>
>
--
Tim Ellison (t.p.ellison@gmail.com)
IBM Java technology centre, UK.
---------------------------------------------------------------------
Terms of use : http://incubator.apache.org/harmony/mailing.html
To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
For additional commands, e-mail: harmony-dev-help@incubator.apache.org