Eclipse Upgrade Not Working

Question

My Eclipse out of the blue stopped building my Android so I removed the old version and have installed Indigo. When I try to import an Android project in I get this error:<

Answer 1

I had the same issue and fixed it by following comment number 6 in this page: Issue 42051: Subversion folder causes NPE in PreCompilerBuilder

Let me quote the comment:

Solved it by installing subversion support packages for eclipse:

http://gan.so/VgYT

It's still a bug but...