query: NullPointerException after validating
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 140738
negative_passages.text: Does setting Java objects to null do anything anymore?
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 137692
negative_passages.text: NullPointerException when working with arrays
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 107423
negative_passages.text: After ExecuteScalar: Object reference not set etc
negative_passages.docid: 98080
negative_passages.text: Android: Cannot invoke toString() on the primitive type int
negative_passages.docid: 480
negative_passages.text: What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 110077
negative_passages.text: Is it good practice to NULL a pointer after deleting it?
negative_passages.docid: 112328
negative_passages.text: Error: "an object reference is required for the non-static field, method or property..."
negative_passages.docid: 24887
negative_passages.text: java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
negative_passages.docid: 81518
negative_passages.text: Find out what variable is throwing a NullPointerException programmatically
negative_passages.docid: 97325
negative_passages.text: DialogFragment causing nullpointer crash
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 128142
negative_passages.text: java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
negative_passages.docid: 73034
negative_passages.text: StringBuilder append() and null values