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Accessing EJBs through firewalls - Java tutorial


Ever try to write a J2EE application accessing EJBs across a firewall? It can be messy, and developers often must resort to all kinds of workarounds, none of them particularly "neat." Developers often write a servlet to intercept HTTP requests and delegate them to EJBs, which is kind of a kludge. Another approach that uses tunneling technologies-such as RMI over HTTP-can entail a big performance hit. But there is a better way. You can solve this problem elegantly by using Java Secure Socket Extension (JSSE).
Category: Java tutorials > EJB - Difficulty:


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Debug iPhone Web applications with Eclipse
Debug iPhone Web applications with Eclipse
Diagnose and repair iPhone Web apps using Eclipse, Aptana's iPhone Development Plug-in, Aptana's Firefox JavaScript debugger, and Firebug. Understand how to configure Aptana Studio for iPhone debugging, how to use the debugger in Aptana Studio and Firebug, and how to profile the execution of your Ajax application.
Category: Java tutorials > XML - Difficulty:
Out of the Sandbox
Out of the Sandbox
Get your applet out of the sandbox. This guide takes you through the steps involved in creating digitally signed applets. These trusted applets can overcome the restrictions placed by the sandbox such accessing local files and folders.
Category: Java tutorials > Applets - Difficulty:
Service Integration Bus Explorer
Service Integration Bus Explorer
Discover the Service Integration Bus Explorer, a stand-alone tool that allows more natural navigation and monitoring of the messaging components of a Service Integration Bus. This tool can aid an administrator of the bus in displaying the resources available and their states and in allowing limited management of the system.
Category: Java tutorials > Development - Difficulty:
2D Java Platform Game
2D Java Platform Game
A step-wise tutorial to make a 2D platform game in Java.

In an object-oriented manner, of course.
Category: Java tutorials > Games - Difficulty:
Counting Active Users on your web site using JSP
Counting Active Users on your web site using JSP
Ever wondered how many users are viewing your website at this moment? well this article seems to answer that. This article will show you how to build a JSP page and a session listener class which will allow you to determine how many users are viewing your site in real time. Online demo available.
Category: Java tutorials > JSP - Difficulty: