query: NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equalsIgnoreCase(java.lang.String)' 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: 87189
negative_passages.text: System.NullPointerException
negative_passages.docid: 23999
negative_passages.text: NullPointerException while parsing XML callout response
negative_passages.docid: 156400
negative_passages.text: NullReferenceException when using NUnit
negative_passages.docid: 36270
negative_passages.text: Nullable type issue with ?: Conditional Operator
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 114816
negative_passages.text: Is null reference possible?
negative_passages.docid: 43446
negative_passages.text: JSONException: Value of type java.lang.String cannot be converted to JSONObject
negative_passages.docid: 20892
negative_passages.text: C# nullable string error
negative_passages.docid: 53319
negative_passages.text: ArgumentException or ArgumentNullException for string parameters?
negative_passages.docid: 128903
negative_passages.text: ExecuteScalar throws NullReferenceException
negative_passages.docid: 82423
negative_passages.text: java.lang.StringIndexOutOfBoundsException: String index out of range
negative_passages.docid: 157952
negative_passages.text: java.lang.ClassNotFoundException: org.hibernate.HibernateException
negative_passages.docid: 128316
negative_passages.text: i found Null pointer exception while executing testng in selenium
negative_passages.docid: 24517
negative_passages.text: MVC Spring Implementation - error: java.lang.NullPointerException
negative_passages.docid: 13711
negative_passages.text: java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
negative_passages.docid: 98080
negative_passages.text: Android: Cannot invoke toString() on the primitive type int