Get Object Reference Error when trying to use Request.QueryString
289
What is a NullReferenceException, and how do I fix it?
49
What is a NullPointerException, and how do I fix it?
143492
Query-string encoding of a Javascript Object
18116
java.lang.IllegalArgumentException: The servlets named [X] and [Y] are both mapped to the url-pattern [/url] which is not permitted
33438
Using sObject.get() to fetch a field value from a related parent object
91517
Creating a mock HttpServletRequest out of a url string?
49317
The method format(String, Object[]) in the type String is not applicable for the arguments (...)
60439
Accessing post variables using Java Servlets
87814
Is it a bad practice to use a GET parameter (in URL) with no value?
87903
request.getQueryString() seems to need some encoding
3868
Why use the 'ref' keyword when passing an object?
112328
Error: "an object reference is required for the non-static field, method or property..."
10878
What causes "java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'command' available as request attribute"?
53760
Capturing URL parameters in request.GET
64435
How do I reference a JavaScript object property with a hyphen in it?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
76090
How can I share a variable or object between two or more Servlets?