I'm trying to create a method to find the parent and grandparent node in a tree, but I keep getting a nullptr exception
49
What is a NullPointerException, and how do I fix it?
70699
Is there a way to select the children of a parent object?
134010
Can Visual Studio tell me which reference threw a NullReferenceException?
45196
Calling class method through NULL class pointer
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
88920
Is using NULL references OK?
62788
Calling methods of "parent" component in Java
64332
avoiding null reference exceptions
37988
System.NullPointerException: Attempt to de-reference a null object:
68222
Reference to undeclared entity exception while working with XML
87189
System.NullPointerException
40523
Component.find() Called From Child Extending an Abstract Component Fails
10000
cat_is_ancestor_of() for custom taxonomies
119573
NullPointerException in Java with no StackTrace
133340
Why does __r result in a null value?
101732
how to Query parent to child
55274
Java: Exception itself is null