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Re: [equinox-dev] optional dependencies for weaving.aspectj


Ah, I think I found the problem. I used a hand-crafted config.ini which listed org.eclipse.equinox.weaving.aspectj but not org.aspectj.weaver (the exporting bundle). That caused the optional dependency of weaving.aspectj to not get wired, even if the update.configurator installed the exporter later on. But that sounds correct, right?


-Martin





Thomas Watson wrote:
When you double check and find this strange behavior then please open a bug
report against Equinox->Framework and give steps to reproduce.

Thanks.

Tom




|------------> | From: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |Martin Lippert <lippert@xxxxxxx> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | To: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |Equinox development mailing list <equinox-dev@xxxxxxxxxxx> | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Date: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |09/15/2009 03:03 PM | >--------------------------------------------------------------------------------------------------------------------------------------------------| |------------> | Subject: | |------------> >--------------------------------------------------------------------------------------------------------------------------------------------------| |Re: [equinox-dev] optional dependencies for weaving.aspectj | >--------------------------------------------------------------------------------------------------------------------------------------------------|






I expected exactly what you describe, but observed something else... :-(

What I observe is:

- org.aspectj.weaver package is available in version 1.6.4 (its the only
available version)
- org.eclipse.equinox.weaving.aspectj defines an import on
org.aspectj.weaver for the minimum version 1.6.3

What seems to happen is:

- if there *IS NO* optional flag for the import,
org.eclipse.equinox.weaving.aspectj gets wired to version 1.6.4
(correct)

- if there *IS* an optional flag for the import,
org.eclipse.equinox.weaving.aspecjt doesn't get wired to
org.aspectj.weaver at all, even that there is version 1.6.4 available
(not correct, I think)

I will check again, but this seems to be what I observe...

-Martin


Thomas Watson wrote:
I'm not sure I understand why the fact that these constraints are
optional
is causing you an issue. I would expect the same behavior for
non-optional
imports.

If a bundle imports a lower version of a package and gets wired to that
lower version, then later a new bundle is installed which exports a
higher
version of the package, I would not expect the importer to automatically
get wired to the new package.  This should only happen if you uninstall
the
old version of the exporter and refresh the importing bundle or you
refresh
the importing bundle to force it to re-resolve.  At that point I would
expect it to get wired to the higher version regardless of if the import
was optional or not.

Tom




|------------> | From: | |------------>

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|Martin Lippert <lippert@xxxxxxx>
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| To:        |
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|Equinox Project <equinox-dev@xxxxxxxxxxx>
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| Date:      |
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|09/15/2009 11:52 AM
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|[equinox-dev] optional dependencies for weaving.aspectj
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Hi!

I am observing a problem with the optional dependencies for
org.eclipse.equinox.weaving.aspectj. We made the dependencies to some
aspectj stuff optional (which is good and works fine). But I also added
a version constraint to the import (which should be the minimal
version). But since the optional flag is set, the runtime doesn't wire
this optional dependency to available higher versions of the package.

Any idea how to resolve this?

Thanks!!!

Cheers,
-Martin

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