It doesn’t take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

Abstract: In this experience paper, we share our experience on enhancing automatic unit test generation to more effectively find Java null pointer exceptions (NPEs). NPEs are among the most common and ...

Please do a quick search on GitHub issues first, there might be already a duplicate issue for the one you are about to create. If the bug is trivial, just go ahead and create the issue. Otherwise, ...

[18:24:16 WARN]: [LevelledMobs] Entity task for LevelledMobs v4.2.0.2 b98 generated an exception java.lang.NullPointerException: null at LevelledMobs-4.2.0.2 b98.jar ...