query: java.lang.NullPointerException: Attempt to invoke virtual method error in Fragement
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 88620
negative_passages.text: What are Virtual Methods?
negative_passages.docid: 23317
negative_passages.text: How do I fix a NoSuchMethodError?
negative_passages.docid: 66856
negative_passages.text: Method does not exist or incorrect signature?
negative_passages.docid: 58054
negative_passages.text: When is it OK to catch NullPointerException?
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 64200
negative_passages.text: Can Java's NullPointerException be changed to report on which variable was null?
negative_passages.docid: 53304
negative_passages.text: java.rmi.ServerException: RemoteException occurred in server thread (ClassNotFoundException)
negative_passages.docid: 35448
negative_passages.text: Virtual multiple inheritance - final overrider
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: 98780
negative_passages.text: Test Method throwing null pointer exception on custom setting
negative_passages.docid: 122276
negative_passages.text: Error: Unable to generate a temporary class (result=1) ... When Invoking Methods on a Web Service
negative_passages.docid: 62797
negative_passages.text: Calling virtual method in base class constructor
negative_passages.docid: 96311
negative_passages.text: NullPointerException when installing the Android SDK on Mac OS X
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: 42958
negative_passages.text: Method Overloading for null argument
negative_passages.docid: 130819
negative_passages.text: Nullpointerexception while setting a bean