query: NullPointerException during nested copy construction
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 111465
negative_passages.text: Why aren't copy constructors "chained" like default constructors and destructors?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 88459
negative_passages.text: XmlSerializer giving FileNotFoundException at constructor
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 13711
negative_passages.text: java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
negative_passages.docid: 89550
negative_passages.text: Crockford's Prototypal inheritance - Issues with nested objects
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 142524
negative_passages.text: Copying Java ResultSet
negative_passages.docid: 15836
negative_passages.text: Cannot refer to a non-final variable inside an inner class defined in a different method
negative_passages.docid: 65281
negative_passages.text: clone() vs copy constructor vs factory method?
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 68713
negative_passages.text: Why is it Valid to Concatenate Null Strings but not to Call "null.ToString()"?
negative_passages.docid: 45869
negative_passages.text: Why null cast a parameter?
negative_passages.docid: 67597
negative_passages.text: Can constructor return a null object?
negative_passages.docid: 95776
negative_passages.text: Why copy constructor not invoked here