query: Not understandable nullpointer exception
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 96453
negative_passages.text: Caught Throwable or Exception is null
negative_passages.docid: 20892
negative_passages.text: C# nullable string error
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 50046
negative_passages.text: java : non-static variable cannot be referenced from a static context Error
negative_passages.docid: 36270
negative_passages.text: Nullable type issue with ?: Conditional Operator
negative_passages.docid: 131864
negative_passages.text: Member '' cannot be accessed with an instance reference
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 56124
negative_passages.text: Why do I get "Exception; must be caught or declared to be thrown" when I try to compile my Java code?
negative_passages.docid: 34172
negative_passages.text: How to parse a string into a nullable int
negative_passages.docid: 128316
negative_passages.text: i found Null pointer exception while executing testng in selenium
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: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 24517
negative_passages.text: MVC Spring Implementation - error: java.lang.NullPointerException
negative_passages.docid: 11537
negative_passages.text: What is IndexOutOfBoundsException? How can I fix it?