query: Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 139395
negative_passages.text: com.sun.istack.SAXException2 : Instance ... is substituting "java.lang.Object", but ... is bound to an anonymous type
negative_passages.docid: 15113
negative_passages.text: How to use an array list in Java?
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 80018
negative_passages.text: Accessing class members on a NULL pointer
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 144658
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object ,sravn
negative_passages.docid: 111535
negative_passages.text: Why does the ArrayList implementation use Object[]?
negative_passages.docid: 11537
negative_passages.text: What is IndexOutOfBoundsException? How can I fix it?
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 79586
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object
negative_passages.docid: 30763
negative_passages.text: Having trouble making a list of lists of a designated size
negative_passages.docid: 79477
negative_passages.text: Why is "null" present in C# and Java?