Question

I ve run into trouble that makes me suspect there is a bad index file that needs to be cleared. The symptoms are:

Cmd+N will only find a subset of classes in the project
Trying to run JUnit test on a package won t find the test classes in that package.

Before suspecting a bad index I reinstalled IntelliJ 8.1.3, then I removed and re-checked out the source code. It didn t help. Only after checking out the code into a different folder did IntelliJ start working correctly again, but only for the new project folder. The old project folder is still infected.

So where is that index and how do I clear it?

Answer 1

File | Invalidate Caches, restart. Or manually delete the following folders:

Linux/Windows:

USER_HOME/.IntelliJIdeaXX/system

Mac:

~/Library/Caches/IntelliJIDEAXX

(where XX is your IDEA version).

See the FAQ for more details and folder locations of the other IntelliJ IDEA platform based products.

Answer 2

For mac you can just hover over the project in recent project list, and click fn + del. that s all.

Answer 3

This happens to me occasionally. Under your home directory (~ on Linux/Unix, C:UsersLoginName under Vista/Win7, C:Documents and Settings... under XP) you will find a directory called .IntelijIdea8x. You will want to close down IntelliJ and delete a couple of key directories, most probably:

system/caches
possibly system/js_caches;
possibly system/jsp_caches (although probably not in this case).

Restart it and that should fix it.

Answer 4

You could do the following now via IDE to invalidate cache:

From the main menu, select File | Invalidate Caches.
In the Invalidate Caches dialog, Click Invalidate and Restart.

If you click Just restart, cache files etc. won t be deleted.

In case if the above did not solve your problem, proceed with the manual way.

Locate the following Location and hard delete it.

~/Library/Caches/IntelliJIDEA{version}

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