In order to try our remote aut launch configuration I have installed q7 platform into my Eclipse with F4 sources. Unexpectedly Q7 builder started on the f4tests project and hung. After about 1 hour I have connected to it with Yourkit and found that there are 10 threads hanging in File.refreshLocal in Q7. Probably this happened because there's also a dltk here, but we need to understand. See jstack output attached. If necessary, I can provide memory snapshot.