> So far, I've got an IApplication implementation that successfully works
> through Step #5. However, everything after Step 5 is giving me problems. As
> you know, the p2 logic only installs the IUs. It doesn't start the plugins,
> much less make their extension points available for creating executable
> extensions.
>
> I tried to mimic the p2 UI logic by looking up the SimpleConfigurator and
> invoking its applyConfiguration() method. However, it caused the
> org.eclipse.core.runtime plugin to stop, kill the running Platform, and stop
> my IApplication instance and its plugin.
For this to happens means that the bundles you are installing are not the
same than those that you have been running since step #2.
I understand that the point is to try to have a new application running, but
what I'm getting at is that the installation of your application is causing a
new version of the runtime (and maybe other bundles) to be brought in.
Consequently, when you invoke applyConfiguration() on simpleconfigurator, the
runtime bundles are stopped and uninstalled to get the new ones to run.
The easiest way to know if this is really the problem is to look at the
content of the bundles.info before and after the install and see if some key
bundles like runtime, osgi, equinox.app, and friends have not changed.
simpleconfigurator does not do anything fancy, it just makes sure that all the
bundles and only those listed in this file are indeed installed in the fwk and
started accordingly.
One side note, from what I understand or your system, I would say that you may
even want to ensure that the "management" application (the one that installs
the other apps) and all its dependencies are not changeable since otherwise the
install of an app could actually cause your management to be restarted while it
is installing the new one :)
HTH
Pascal
>
> After that I tried to initialize my installed plugins manually, such as using
> the PlatformAdmin to set start levels, resolve, etc. However, I kept running
> into NoClassDefFound errors since some plugins didn't lazily initialize as
> expected.
>
> I also tried to set up a separate profile, install my "heavyweight" features
> to the dropins directory, and use the reconciler APIs to initialize my
> plugins. Unfortunately, the app still tried to restart the
> org.eclipse.core.runtime plugin and kill the running Platform.
>
> Any advice? This is a crucial step in making my RCP app lightweight and
> easier to deploy and update.
>
> Thanks,
> Chip
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