query: Get session parameter throws null pointer exception
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 130819
negative_passages.text: Nullpointerexception while setting a bean
negative_passages.docid: 60439
negative_passages.text: Accessing post variables using Java Servlets
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 124773
negative_passages.text: NullPointerException when calling service in onResume
negative_passages.docid: 5721
negative_passages.text: Value passed with request.setAttribute() is not available by request.getParameter()
negative_passages.docid: 89999
negative_passages.text: java.sql.SQLException Parameter index out of range (1 > number of parameters, which is 0)
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 98780
negative_passages.text: Test Method throwing null pointer exception on custom setting
negative_passages.docid: 128903
negative_passages.text: ExecuteScalar throws NullReferenceException
negative_passages.docid: 94342
negative_passages.text: Java - class.getResource returns null
negative_passages.docid: 24836
negative_passages.text: HTTP request parameters are not available by request.getAttribute()
negative_passages.docid: 73034
negative_passages.text: StringBuilder append() and null values
negative_passages.docid: 66337
negative_passages.text: Can I obtain method parameter name using Java reflection?
negative_passages.docid: 139747
negative_passages.text: How can I get the values of the parameters of a calling method?
negative_passages.docid: 8738
negative_passages.text: Should a retrieval method return 'null' or throw an exception when it can't produce the return value?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST