query: Attempt to invoke virtual method null reference object
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 108336
negative_passages.text: Nullable Object must have a value #2
negative_passages.docid: 138618
negative_passages.text: How to resolve NullPointerException error in my below POM code?
negative_passages.docid: 28348
negative_passages.text: How do I handle null or optional DLL struct parameters
negative_passages.docid: 92446
negative_passages.text: C#: How to pass null to a function expecting a ref?
negative_passages.docid: 1605
negative_passages.text: What is the reason behind "non-static method cannot be referenced from a static context"?
negative_passages.docid: 54938
negative_passages.text: Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 33103
negative_passages.text: How come invoking a (static) method on a null reference doesn't throw NullPointerException?
negative_passages.docid: 20239
negative_passages.text: How do I use reflection to invoke a private method?
negative_passages.docid: 49933
negative_passages.text: How can I get a reference to a method?
negative_passages.docid: 131864
negative_passages.text: Member '' cannot be accessed with an instance reference
negative_passages.docid: 45869
negative_passages.text: Why null cast a parameter?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 92187
negative_passages.text: Unable to cast object of type 'System.DBNull' to type 'System.String`
negative_passages.docid: 146379
negative_passages.text: Java method dispatch with null argument
negative_passages.docid: 150853
negative_passages.text: An object reference is required to access non-static member