provisioning - How to programmatically update an Eclipse feature and ints plugins -

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how can programmatically update eclipse feature pointing p2 repository?

i can install features using org.eclipse.tycho.p2.facade.internal.p2applicationlauncher class setting application name org.eclipse.equinox.p2.director. however, fails when install newer version of feature exist in eclipse environment.

installing sample.student.mgt.feature.group 4.2.1. installation failed. cannot complete install because of conflicting dependency. software being installed: sample.student.mgt.feature 4.2.1 (sample.student.mgt.feature.group 4.2.1) software installed: sample.student.mgt.feature 4.2.0 (sample.student.mgt.feature.group 4.2.0) 1 of following can installed @ once: sample.student.mgt.feature 4.2.1 (sample.student.mgt.feature.jar 4.2.1) sample.student.mgt.feature 4.2.0 (sample.student.mgt.feature.jar 4.2.0) cannot satisfy dependency: from: sample.student.mgt.feature 4.2.0 (sample.student.mgt.feature.group 4.2.0) to: sample.student.mgt.feature.jar [4.2.0] cannot satisfy dependency: from: sample.student.mgt.feature 4.2.1 (sample.student.mgt.feature.group 4.2.1)

any solution appreciated.


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