We are building an Eclipse RCP
based application. It consists of several features. Our
team is developing one of them. Let’s call this feature
‘update’. It consists of three bundles: ‘util’, ‘ws’ and
‘ui’.
My current task is to trigger
an update with p2 of this ‘update’ feature. For that purpose
I have a repository with the new version of my feature and
its plugins uploaded on a web server.
Within one of the above bundles (
the ‘ui’ bundle to be precise) I have the following code
snippet:
import
org.eclipse.equinox.internal.p2.director.app.DirectorApplication;
…
URL
guiRepositoryLocation = getGuiRepository();
DirectorApplication director = new DirectorApplication();
director.run(new String[] { "-repository",
guiRepositoryLocation.toString(), "-installIU",
"update.feature.group", "-uninstallIU",
"update.feature.group", "-destination", ".", "-profile",
"profile" });
The director application loads the
profile and the repository, finds the features in both
locations, but at the end fails with the following error:
Installing
update.feature.group
1.50.0.201107141712-49L-7B5885Q8H8Q8B.
Uninstalling
update.feature.group 1.0.12.201107012042-4-7Z7B5885Q58B5HB.
Installation failed.
Cannot complete the
install because of a conflicting dependency.
Software being
installed: Feature 1.50.0.201107141712-49L-7B5885Q8H8Q8B
(update.feature.group 1.50.0.201107141712-49L-7B5885Q8H8Q8B)
Software currently
installed: Product 1.0.12.201107012042 (product
1.0.12.201107012042)
Only one of the
following can be installed at once:
Product -
Update Web Service Client 1.0.12.201107012042 (ws
1.0.12.201107012042)
Product -
Update Web Service Client 1.50.0.201107141712 (ws
1.50.0.201107141712)
Cannot satisfy
dependency:
From: Feature
1.0.12.201107012042-4-7Z7B5885Q58B5HB (update.feature.group
1.0.12.201107012042-4-7Z7B5885Q58B5HB)
To: ws
[1.0.12.201107012042]
Cannot satisfy
dependency:
From: Feature
1.50.0.201107141712-49L-7B5885Q8H8Q8B (update.feature.group
1.50.0.201107141712-49L-7B5885Q
8H8Q8B)
To: ws
[1.50.0.201107141712]
Cannot satisfy
dependency:
From:
Product 1.0.12.201107012042 (product 1.0.12.201107012042)
To:
update.feature.group [1.0.12.201107012042-4-7Z7B5885Q58B5HB]
Indeed the ‘ws’ plugin is singleton
(actually all three plugins are). I can easily change it not
to be singleton, but I’m afraid I cannot do it with the ‘ui’
plugin. As its name implies, it contains the UI controls of
our feature. They are described in plugin.xml. So when I
tried to change the ‘ui’ plugin to be non-singleton, my IDE
complained that it was not possible.
Anyway, I would expect that p2
handles both singleton and non-singleton plugins.
Could you please advise me how to
trigger the update?
Thanks,
Ivan
