Clean out Eclipse workspace metadata

Question

I use multiple workspaces with Eclipse. I recently noticed that some of my workspaces have a lot of cruft in them from software packages that I installed and then later remo

Answer 1

In some cases, I could prevent Eclipse from crashing during startup by deleting a .snap file in your workspace meta-data (.metadata/.plugins/org.eclipse.core.resources/.snap).

See also https://bugs.eclipse.org/bugs/show_bug.cgi?id=149121 (the bug has been closed, but happened to me recently)