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Re: [equinox-dev] [orbit-dev] [e4-dev] Resolver Problem with guava and e4 (javax.annotation)
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Hi,
With Mars (whether this is a regression in the Equinox-Resolver) needs
to be discussed but I'd really like us to start a discussion if we can
get rid of the javax.annotation bundle itself.
For the reference if I install e(fx)clipse tooling into Mars M3 I get:
> osgi> diag 317
> org.eclipse.fx.ide.css [317]
> Bundle was not resolved because of a uses contraint violation.
> org.osgi.service.resolver.ResolutionException: Uses constraint violation. Unable to resolve resource org.eclipse.fx.ide.css [osgi.identity; osgi.identity="org.eclipse.fx.ide.css"; type="osgi.bundle"; version:Version="1.1.0.201411050807"; singleton:="true"] because it is exposed to package 'javax.annotation' from resources org.eclipse.osgi [osgi.identity; osgi.identity="org.eclipse.osgi"; type="osgi.bundle"; version:Version="3.10.100.v20141020-1414"; singleton:="true"] and javax.annotation [osgi.identity; osgi.identity="javax.annotation"; type="osgi.bundle"; version:Version="1.2.0.v201401042248"] via two dependency chains.
>
> Chain 1:
> org.eclipse.fx.ide.css [osgi.identity; osgi.identity="org.eclipse.fx.ide.css"; type="osgi.bundle"; version:Version="1.1.0.201411050807"; singleton:="true"]
> require: (&(osgi.wiring.bundle=org.eclipse.osgi)(bundle-version>=3.7.0))
> |
> provide: osgi.wiring.bundle: [org.eclipse.osgi, system.bundle]
> org.eclipse.osgi [osgi.identity; osgi.identity="org.eclipse.osgi"; type="osgi.bundle"; version:Version="3.10.100.v20141020-1414"; singleton:="true"]
>
> Chain 2:
> org.eclipse.fx.ide.css [osgi.identity; osgi.identity="org.eclipse.fx.ide.css"; type="osgi.bundle"; version:Version="1.1.0.201411050807"; singleton:="true"]
> require: (&(osgi.wiring.bundle=org.eclipse.xtext)(bundle-version>=2.0.0))
> |
> provide: osgi.wiring.bundle; bundle-version:Version="2.8.0.v201409300608"; osgi.wiring.bundle="org.eclipse.xtext"; singleton:="true"
> com.google.guava [osgi.identity; osgi.identity="com.google.guava"; type="osgi.bundle"; version:Version="15.0.0.v201403281430"]
> import: (osgi.wiring.package=javax.annotation)
> |
> export: osgi.wiring.package: javax.annotation
> javax.annotation [osgi.identity; osgi.identity="javax.annotation"; type="osgi.bundle"; version:Version="1.2.0.v201401042248"]
Eclipse 4 IDE and Eclipse 4 Application Platform already has Java6 as a
prerequisit so technically we don't need javax.annotation because it is
provided by the JRE.
The problem is that all client bundles who use the e4 DI container do
versioned imports whereas e.g. external bundles like guava do a version
less import, so if we'd modify our own bundles to use the JRE version
they would all fail.
Do we need a boarder forum like cross-platform?
Tom
On 15.06.14 06:55, David M Williams wrote:
> I don't know if this problem was solved ... or worked around .... but
> didn't want the issue to get lost, so I opened a bug in Orbit,
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=437470
> to make sure the issue isn't "lost" (thought not sure it's a true "Orbit
> Bug" ... seemed as good a place as any).
>
> Thanks,
>
>
>
>
> From: David M Williams/Raleigh/IBM@IBMUS
> To: E4 Project developer mailing list <e4-dev@xxxxxxxxxxx>,
> Cc: orbit-dev@xxxxxxxxxxx, Equinox development mailing list
> <equinox-dev@xxxxxxxxxxx>
> Date: 06/11/2014 02:55 AM
> Subject: Re: [equinox-dev] [e4-dev] Resolver Problem with guava
> and e4 (javax.annotation)
> Sent by: equinox-dev-bounces@xxxxxxxxxxx
> ------------------------------------------------------------------------
>
>
>
>> I don't think so because from their point of view they are requireing
>> JavaSE-1.6 and so they can wire to javax.annotation without packages.
>>
>> They could remove the javax.annotation import completely because they
>> anyways require JavaSE-1.6
>
> Well, not quite.
>
> javax.annotation 1.0.0 has a BREE of 1.5 (but is "native" to only 1.6,
> according to_https://bugs.eclipse.org/bugs/show_bug.cgi?id=422981#c5_ )
> javax.annotation 1.1.0 has a BREE of 1.5 (but is "native" to only 1.7,
> according to '')
> javax.annotation 1.2.0 has a BREE of 1.6 (but is "native" to only 1.8,
> according to '' -- I think -- assuming it "made it in", but I do not
> know for sure)
>
> The idea being that projects could use annotations, as the specs came
> out, even on an "older" VM, rather than have to wait for the JRE that
> first contained it.
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>
>
>
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> orbit-dev@xxxxxxxxxxx
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>
--
Thomas Schindl, CTO
BestSolution.at EDV Systemhaus GmbH
Eduard-Bodem-Gasse 5-7, A-6020 Innsbruck
http://www.bestsolution.at/
Reg. Nr. FN 222302s am Firmenbuchgericht Innsbruck
