What is a JSP Context??

I was wondering what exactly this java object is and what its main purpose is. I have looked java documentation, but...

RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()?

What is the conceptual difference between forward() and sendRedirect()? ...

The import org.apache.commons cannot be resolved in eclipse juno?

I having the problem while compiling the my project in eclipse. It was shoving the error The import org.apache.commo...

Getting “java.net.ProtocolException: Server redirected too many times” Error?

I'm making a simple URL request with code like this: URL url = new URL(webpage); URLConnection urlConnection = url....

JSP link to another JSP?

In my JSP page I want the links to forward to another JSP page. When the user is on the home.jsp I want them to go t...

java-servlet request.getParameterValues()?

I have an array which holds other arrays I am passing as a parameter. I am using request.getParameterValues() to get...

Get full URL and query string in Servlet for both HTTP and HTTPS requests?

I am writing a code which task is to retrieve a requested URL or full path. I've written this code: HttpServletReq...

What is WEB-INF used for in a Java EE web application??

I'm working on a Java EE web application with the following source code structure: src/main/java &l...

What is the exact uses of REALM term in security??

The term REALM has an overloaded & confusing using in security, what is the exact uses of this term in security?...

How do I import the javax.servlet API in my Eclipse project??

I want to develop with Servlets in Eclipse, but it says that the package javax.servlet cannot be resolved. How can I...

java.lang.NumberFormatException: null i?

Here i come up with problem while performing some operation like update,delete and insert but its return some null ...