GitHub

[Bug] java.lang.NullPointerException: Attempt to read from field 'int android.view.View.mPrivateFlags' on a null object reference

at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:414) at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow ...
InfoWorld

Effective Java NullPointerException Handling

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 ...
GitHub

java.lang.NullPointerException when refactoring in Eclipse (STS)

I'm using Spring Tool Suite (Version: 3.7.2.RELEASE) - Platform: Eclipse Mars.1 (4.5.1) and at most refactoring tasks I do get a NullPointerException at at ...