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 ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

For example, Throwables.getRootCause(Throwable) returns the exception that is often most important (see Tips #2 and #3 in Ten Tips for Using Java Stack Traces) in a chain (the “innermost” or ...