How to recover corrupted Eclipse workspace?

Question

I just managed to corrupt contents of my Eclipse .metadata directory. Starting up with eclipse -clean did not work out. Deleting .metadata and then importing all projects, p

Answer 1

Remove a file with .dat extension in workspace/.metadata/.plugins/org.eclipse.wst.jsdt.core/ and then close eand open eclipse, maybe you cannot close eclipse, force it, with pkill -f eclipse if you are on linux or similar.

This solution avoid to import all of existents projects.