'on a null object reference' error logged
49
What is a NullPointerException, and how do I fix it?
35590
How to fix NullPointerException in Java?
10818
NullPointerException : println needs a message in android
33103
How come invoking a (static) method on a null reference doesn't throw NullPointerException?
96046
Static fields on a null reference in Java
19989
Apex JSON.serialize() with null values (RELOADED)
128903
ExecuteScalar throws NullReferenceException
70532
NullReferenceException after POST
110077
Is it good practice to NULL a pointer after deleting it?
107423
After ExecuteScalar: Object reference not set etc
35129
Why does String.valueOf(null) throw a NullPointerException?
18925
Why are my fields initialized to null or to the default value of zero when I've declared and initialized them in my class' constructor?
31537
Checking for null before event dispatching... thread safe?
112328
Error: "an object reference is required for the non-static field, method or property..."
42958
Method Overloading for null argument
156400
NullReferenceException when using NUnit
97325
DialogFragment causing nullpointer crash