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Home » Newcomers » Newcomers » Building Legacy Mars project(I've been tasked with building a legacy eclipse project and having problems.)
Building Legacy Mars project [message #1811341] Sat, 31 August 2019 16:05 Go to next message
Joseph Keller is currently offline Joseph KellerFriend
Messages: 3
Registered: October 2018
Junior Member
I've been tasked with building a legacy eclipse project and having problems. I'm relatively new to Eclipse development and have done a bit of research. I understand we are using Maven with Tycho, but not all the dependencies are resolving. I was told and saw in our CI build system that we had built correctly several months ago and I compared source and nothing has changed. I think it must be in the Eclipse repos we are using.

We were using "http://download.eclipse.org/eclipse/updates/4.5/" for our Eclipse repo, but this is no longer available. So from my research I found out that we should be using "http://download.eclipse.org/releases/mars". Is this correct?
However when using this repo , it fails with.... What am I doing wrong?

Software being installed: org.eclipse.birt.report.designer.all 0.0.0
Missing requirement: org.eclipse.birt.report.designer.all 0.0.0 requires 'org.eclipse.rcp.configuration.feature.group 0.0.0' but it could not be found

Internal error: java.lang.RuntimeException: No solution found because the problem is unsatisfiable.: [Unable to satisfy dependency from org.eclipse.birt.report.designer.all 0.0.0 to org.eclipse.rcp.configuration.feature.group 0.0.0.; Unable to satisfy dependency from org.eclipse.jdt.core 3.11.0.v_OTDT_r240_201506091717 to org.eclipse.objectteams.otdt.core.patch.feature.group [2.0.0,3.0.0).; Unable to satisfy dependency from org.eclipse.jdt.core 3.11.1.v_OTDT_r241_201509081206 to org.eclipse.objectteams.otdt.core.patch.feature.group [2.0.0,3.0.0).; Unable to satisfy dependency from org.eclipse.jdt.core 3.11.2.v_OTDT_r242_201601310642 to org.eclipse.objectteams.otdt.core.patch.feature.group -> [Help 1]
dt.core 3.11.1.v_OTDT_r241_201509081206 to org.eclipse.objectteams.otdt.core.patch.feature.group [2.0.0,3.0.0).; Unable to satisfy dependency from org.eclipse.jdt.core 3.11.2.v_OTDT_r242_201601310642 to org.eclipse.objectteams.otdt.core.patch.feature.group [2.0.0,3.0.0)

[Updated on: Sat, 31 August 2019 16:07]

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Re: Building Legacy Mars project [message #1814005 is a reply to message #1811341] Sun, 01 September 2019 04:43 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 30685
Registered: July 2009
Senior Member
The repo https://download.eclipse.org/eclipse/updates/4.5/ does still exist and I can load it with the repository explorer though generally I use https://download.eclipse.org/eclipse/updates/4.5/R-4.5-201506032000 because that was the final update release of 4.5. Similarly, I generally use http://download.eclipse.org/releases/mars/201602261000 because that's the final update release of Mars.

But I don't see org.eclipse.birt.report.designer.all anywhere, though your resolution appears to have found it somewhere. Does your project use BIRT?

I generally use this approach to find repositories:

https://wiki.eclipse.org/Eclipse_Oomph_Authoring#How_to_find_a_P2_repository_at_Eclipse_using_the_Repository_Explorer

The failed things appear to be extensions to JDT from ObjectTeams.

https://www.eclipse.org/objectteams/

But somehow I doubt that you need that variant of JDT, though I can't be sure whether you do or not because I don't know what dependencies you're all trying to resolve.


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