I find that usually points to your PDE Target being messed up. I usually end up doing a dance between Reload-ing it and Edit-ing it before it recovers.
Once cause has been that repos we've been depending on, like nightly builds of ptp, disappear. So a regular refresh of the target is usually prudent.
But, yes, if that doesn't work, a new workspace as Derek suggests gives you a clean start. At least now with our cdt*.target files, you can import all projects and they should build.
Cheers,
Doug.
________________________________________________________________________
From: Derek Morris < dmsubs@xxxxxxxxxxxxx>
Date: Wed Oct 01 2014 03:26:09 GMT-0400 (EDT)
To: CDT General developers list. < cdt-dev@xxxxxxxxxxx>
Subject: Re: [cdt-dev] workspace (for working on CDT code) messed up - org.eclipse.core not resolved
New workspace and Import Existing Projects.
> I accidentally killed the Eclipse instance I use to develop CDT while it was starting up, and now my workspace is quite messed up - all imports that start with 'org.eclipse.core' are unresolved. >
> Any suggestions for recovering from this state, besides starting from scratch (fresh Eclipse installation, fresh repo checkout, etc.)? >
> Thanks,
> Nate
>
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