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Plugin Development unresolved 'org.eclipse.ui' [message #1838952] Wed, 10 March 2021 10:45 Go to next message
Pelle Svensson is currently offline Pelle SvenssonFriend
Messages: 4
Registered: May 2013
Junior Member
Hi!
I Can't move a plugin project from Eclipse 2019-06(4.12 w. openjdk 1.8.0) to Eclipse 2020-12 (4.18 w. openjdk 11.0.10).
Going into Windows/Preferences/Plug-in Development/Target Platform/Running Platform/Edit: I can't find 'org.eclipse.ui'.
It is listed in 2019-06.
I tried creating a new Platform but none of the populating alternative gave me more plugins.

I have 5501 plugins in my old system but only 574 in my new system (not so populated jet...)

Any idea what's next to do?
Running on Fedora 33

-----------------------------------------

Here is an example
1. Start Eclipse
2. Open a new empty Workspace.
3. Create a project: Plug-in Development/Plug-in Project, Next, <Name>, Next, Next
4. Create a plug-in using a template: Hello, World Command, Finish.
5. Open Perspective.

In MANIFEST.MF/Dependencies 'org.eclipse.ui' unresolved (red x)

Errors (17 items)
Description Resource Path Location Type
AbstractHandler cannot be resolved to a type SampleHandler.java /Test/src/test/handlers line 10 Java Problem
Bundle 'org.eclipse.ui' cannot be resolved MANIFEST.MF /Test/META-INF line 6 Plug-in Problem
ExecutionEvent cannot be resolved to a type SampleHandler.java /Test/src/test/handlers line 13 Java Problem
ExecutionException cannot be resolved to a type SampleHandler.java /Test/src/test/handlers line 13 Java Problem
HandlerUtil cannot be resolved SampleHandler.java /Test/src/test/handlers line 14 Java Problem
IWorkbenchWindow cannot be resolved to a type SampleHandler.java /Test/src/test/handlers line 14 Java Problem
MessageDialog cannot be resolved SampleHandler.java /Test/src/test/handlers line 15 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 3 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 4 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 5 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 6 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 7 Java Problem
The import org.eclipse cannot be resolved SampleHandler.java /Test/src/test/handlers line 8 Java Problem
Unknown extension point: 'org.eclipse.ui.bindings' plugin.xml /Test line 25 Plug-in Problem
Unknown extension point: 'org.eclipse.ui.commands' plugin.xml /Test line 6 Plug-in Problem
Unknown extension point: 'org.eclipse.ui.handlers' plugin.xml /Test line 18 Plug-in Problem
Unknown extension point: 'org.eclipse.ui.menus' plugin.xml /Test line 34 Plug-in Problem

-----------------------------------------

/Thanks

[Updated on: Wed, 10 March 2021 16:21]

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Re: Plugin Development unresolved 'org.eclipse.ui' [message #1839064 is a reply to message #1838952] Fri, 12 March 2021 09:07 Go to previous message
Pelle Svensson is currently offline Pelle SvenssonFriend
Messages: 4
Registered: May 2013
Junior Member
This is not happening in Eclipse' build, it's something with Fedora.

Dose anyone know how 'Target Definitions' gets populate?
In the Windows/Preferences/Plug-in Development/Target Platform/Running Platform/Add: there are 4 options.
Two of them "Default: Default target for the running plattform" and "Template:" will build a new list.
But how is this put together and what could be wrong with Fedora.
Is the list built by scanning or is it predefined in a file and if so which one?
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