projects in workspace not showing up under project -> clean

Question

Sometimes when launching eclipse my projects in my workspace do not show up in project -> clean. How can i fix this problem?

Things i have tried:

1. Closing projects and re-opening
2. deleting projects and re-importing
3. closing and re-launching eclipse
4. restarting computer
5. refreshing workspace and repeating any of those steps

Sometimes number 2 will work and sometimes it will not. This is a really annoying problem any assistance is greatly appreciated!

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I have defined custom ant builds for all the projects. I unselected all the other builders besides my custom builder. Some projects are are showing up and some are not.

Answer 1

A project only shows up in the Clean dialog, if it has some kind of builder registered. You can check this by opening the project properties, and look for the Builders tab. If there are no builders, then it should not be visible.

If that is the problem, then you should try to identify at what point does your .project file in the project folder changed; that might give a hint about the culprit.

Answer 2

Closing eclipse and re-opening eclipse a few times solves the problem. It also seems that turning build automatically on and then closing eclipse and re-opening seems to help.

Eclipse... =)