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Steps from bug 512424 comment 3: I20170220-2000 - import bundles/org.eclipse.equinox.registry from master of git://git.eclipse.org/gitroot/equinox/rt.equinox.bundles.git => There's a wrong compiler warning on the plugin.xml: "A plug-in manifest must contain at least one extension or extension point" The plugin.xml contains an extension-point "org.eclipse.core.runtime.adapters".
Created attachment 266957 [details] Unable to recreate See img attached. Can you provide more details? Does it happen in a fresh workspace with just this plugin or there are other factors too?
Happened in my main workspace, but I could also reproduce in a fresh workspace, and I can still reproduce in a clean runtime workspace. To reproduce, you have to reset the equinox repo to d071f6db6f8663fe86b9a372def46efc5b0bfeb8 (master at the time this bug was filed). The problem could be related to the classpath problems mentioned in bug 512424 comment 3.
I am able to recreate this today.
I noticed the same thing. See animated gif attachment. The project was also installed in the IDE and I was maintaining a newer version in the workspace. After I installed the same version as I have in the workspace, and a restart, the problem went away.
Created attachment 272617 [details] Problem
Eclipse IDE for Eclipse Committers Version: Oxygen.2 Release (4.7.2) Build id: 20171218-0600 OS: Windows 10, v.10.0, x86_64 / win32
I work on a team developing an RCP application. We currently use Oxygen SR3. We also have this problem. For us the problem is intermittent. Sometimes I've had it and at other times I don't (same with other team members). This morning I had the problem and I was discussing it with another team member and he mentioned that if you switch your target platform to the Running Platform the warning goes away. So I switched my target to the Running Platform and after it resolved, I immediately switched it back. The warning went away and did not reappear after switching back. When I've had the problem it seems to be persistent across shutdown and startup.
I'm still seeing this in: Eclipse IDE for Eclipse Committers Version: 2020-03 (4.15.0) Build id: 20200313-1211 Are there chances that someone looks at this for the next release?
Can you share a self-contained project to reproduce the issue? I don't see that warning in equinox.registry.
Who? Unfortunately I can not. All people who reported this problem say it's a flaky phenomenon. It comes and goes and to me it does not seem to be related to any particular condition in a specific project.
Created attachment 287609 [details] Eclipse does not recognize org.eclipse.chemclipse extension points Screenshot made in Version: 2018-09 (4.9) sorry, it is what SUSE ships at the moment. Not really a minimal example, but https://github.com/eclipse/chemclipse has quite a few of those issues. I believe those warnings are displayed pretty constantly.
Is this a reverse duplicate of bug 564927?
(In reply to Matthias Mailänder from comment #11) > Created attachment 287609 [details] > Eclipse does not recognize org.eclipse.chemclipse extension points > > Screenshot made in Version: 2018-09 (4.9) sorry, it is what SUSE ships at > the moment. Not really a minimal example, but > https://github.com/eclipse/chemclipse has quite a few of those issues. I > believe those warnings are displayed pretty constantly. It would be nice if you could upgrade to 4.21/22 and confirm it is still an issue.
This seems to be resolved in Version: 2021-12 (4.22.0) Build id: 20211202-1639
I still get this in Eclipse 2023-03. Problem is thus not solved.
This issue seems related to, or maybe even identical, to bug 564927.
I updated build.properties files, which then spawned many incorrect warnings in version 2024-03 (4.31.0) where the extension point is defined in the same plugin.
