A system restart fixed the problem.0 [main] us 0 open_stackdumpfile: Dumping stack trace to us.stackdump
0 [main] bash 3368 sync_with_child: child 3316(0x240) died before initialization with status code 0xFF
54 [main] bash 3368 sync_with_child: *** child state waiting for longjmp
C:\Program Files\Apache Software Foundation\Tomcat 8.0\temp\hudson9083293572581820881.sh: fork: Resource temporarily unavailable
However, I have no idea what caused that error. Maybe anyone was facing a similar error already and could tell me more?