BlueJ run started: Sat Jul 13 11:36:30 CEST 2019 BlueJ version 3.1.4 Java version 1.8.0_191 Virtual machine: Java HotSpot(TM) 64-Bit Server VM 25.191-b12 (Oracle Corporation) Running on: Windows 10 10.0 (amd64) Java Home: C:\Program Files\Java\jdk1.8.0_191\jre ---- Opening project: F:\Informatik\Graphenalgorithmen\GraphTester_v6.1 1563010591858: Listening for JDWP connection on address: javadebug Connected to debug VM via dt_shmem transport... Communication with debug VM fully established. Simple GUI Extension terminates