getApplicationContext() on a null object reference
49
What is a NullPointerException, and how do I fix it?
98519
How do you get the contextPath from JavaScript, the right way?
58054
When is it OK to catch NullPointerException?
80018
Accessing class members on a NULL pointer
289
What is a NullReferenceException, and how do I fix it?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
149666
Why can't a null-reference exception name the object that has a null reference?
98908
Is it good practice to set variables to null when they are no longer needed?
134524
Spring's SecurityContextHolder.getContext().getAuthentication() returns null after RedirectView is used in HTTPS/SSL
7935
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
56361
Site.createPortalUser() returning null in test context
8808
Strange Java null behavior in Method Overloading
112249
My Application Could not open ServletContext resource
29684
How to check if an object is nullable?
40308
Is it possible to initialize a Singleton from a specific method and not when application is executed?
37988
System.NullPointerException: Attempt to de-reference a null object:
108542
DelegateCommand is not invoked in context menu