query: servlet always showing null while execution
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 9329
negative_passages.text: Using special auto start servlet to initialize on startup and share application data
negative_passages.docid: 73285
negative_passages.text: Null Pointer Exception in XMl Parsing
negative_passages.docid: 23918
negative_passages.text: HTTP Status 404 - Servlet [ServletName] is not available
negative_passages.docid: 87728
negative_passages.text: ArgumentNullException or NullReferenceException from extension method?
negative_passages.docid: 72332
negative_passages.text: How to Properly Handle Exceptions in a JSP/Servlet App?
negative_passages.docid: 2116
negative_passages.text: IllegalArgumentException or NullPointerException for a null parameter?
negative_passages.docid: 98426
negative_passages.text: Using org.json in Servlet causes java.lang.ClassNotFoundException: org.json.JSONException
negative_passages.docid: 81703
negative_passages.text: The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory
negative_passages.docid: 8808
negative_passages.text: Strange Java null behavior in Method Overloading
negative_passages.docid: 6882
negative_passages.text: try catch exception always returns null
negative_passages.docid: 79477
negative_passages.text: Why is "null" present in C# and Java?
negative_passages.docid: 69771
negative_passages.text: NullPointerException when setting attribute?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 37988
negative_passages.text: System.NullPointerException: Attempt to de-reference a null object:
negative_passages.docid: 35129
negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 33474
negative_passages.text: I can read from /dev/null; how to fix it?