query: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.length()' 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: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 49317
negative_passages.text: The method format(String, Object[]) in the type String is not applicable for the arguments (...)
negative_passages.docid: 5640
negative_passages.text: How to check a string against null in java?
negative_passages.docid: 128903
negative_passages.text: ExecuteScalar throws NullReferenceException
negative_passages.docid: 119573
negative_passages.text: NullPointerException in Java with no StackTrace
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 53319
negative_passages.text: ArgumentException or ArgumentNullException for string parameters?
negative_passages.docid: 146476
negative_passages.text: Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
negative_passages.docid: 10867
negative_passages.text: How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?
negative_passages.docid: 22639
negative_passages.text: Error : Type could not be marshaled because the length of an embedded array instance does not match the declared length in the layout
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 66429
negative_passages.text: length and length() in Java
negative_passages.docid: 7176
negative_passages.text: How to deal with "java.lang.OutOfMemoryError: Java heap space" error?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 130819
negative_passages.text: Nullpointerexception while setting a bean