query: error while validatingjava.lang.NullPointerException
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 11458
negative_passages.text: NullReferenceException in Unity
negative_passages.docid: 46944
negative_passages.text: Null pointer Exception - findViewById()
negative_passages.docid: 94946
negative_passages.text: The method format(String, Object[]) in the type String is not applicable for the arguments (String, int, int)
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 65355
negative_passages.text: Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 80631
negative_passages.text: NullPointerException but compiling?
negative_passages.docid: 128142
negative_passages.text: java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
negative_passages.docid: 90909
negative_passages.text: Getting error while running jsp file
negative_passages.docid: 22218
negative_passages.text: What causes java.lang.IncompatibleClassChangeError?
negative_passages.docid: 24887
negative_passages.text: java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
negative_passages.docid: 157952
negative_passages.text: java.lang.ClassNotFoundException: org.hibernate.HibernateException
negative_passages.docid: 132398
negative_passages.text: What is null in Java?
negative_passages.docid: 36270
negative_passages.text: Nullable type issue with ?: Conditional Operator