Java servlets
When looking to use Java to create dynamic Web content, the servlet can help by extending the applications hosted by Web servers. To do this, the servlet object dynamically receives a request and generates an object based on that request. Servlets are created using the API found in the javax.servlet package. In this section on the Java servlet get news, advice, and tutorials on using the Java servlet to extend Web servers and help you create dynamic Web content. Learn how Java servlets can be used with JavaServer Pages and JavaServer Faces to make dynamic Web content for your organization.
Top Stories
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Tip
15 Feb 2023
Why Java in 2023?
Has there ever been a better time to be a Java programmer? From new Spring releases to active JUGs, the Java platform is experiencing a renaissance. Continue Reading
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Feature
06 Nov 2017
Owning the Java Platform is more of a burden or a blessing
Oracle became stewards of the Java platform as a by-product of their acquisition of Sun Microsystems. But looking back, it seems that the Java Platform has been more of a burden than a blessing. Continue Reading
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Blog Post
29 Nov 2021
The 5 things devs should know about the Jakarta Servlet 6.0 API release
Jakarta EE 10 includes a full increment release of the Servlet API. Here are the top 5 features Java devs will enjoy when the Jakarta Servlet 6.0 API arrives. Continue Reading
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Blog Post
18 Dec 2019
How to deploy a WAR file to Tomcat 5 different ways
Tomcat WAR deployment example If you want to develop web applications and Apache Tomcat is your target web server, you need to know how to deploy WAR files to Tomcat so you can see if your ... Continue Reading
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Feature
06 Nov 2017
Owning the Java Platform is more of a burden or a blessing
Oracle became stewards of the Java platform as a by-product of their acquisition of Sun Microsystems. But looking back, it seems that the Java Platform has been more of a burden than a blessing. Continue Reading
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Opinion
30 Mar 2017
Stop adding web UI frameworks like JSR-371 to the Java EE spec
Java EE's Servlet and JSP API provide a fine foundation for handling a web-based request-response cycle. Adding UI frameworks like JSR-371 to the spec only causes problems. Continue Reading
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Opinion
24 Mar 2017
Does reading XML while writing JSON make me a bad person?
I'm always writing JSON code, loving its flexibility and forgiveness. But when I call an external service, I want to be reading XML. Does that make me a bad person? Continue Reading
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Tutorial
23 May 2016
Portlet filters and Spring tutorial
Working with a complex product like WebSphere, it helps to integrate a lightweight framework. This portal and Spring tutorial demonstrates how to use portal filters with Spring. Continue Reading
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Tutorial
04 May 2015
How to invoke a JSF managed bean asynchronously through JavaScript
Sometimes great frameworks like JSF, Wicket or Spring MVC make simple tasks surprisingly difficult to do. With JavaServer Faces, the simple task of invoking a method on a managed bean is actually a bit of a chore. In this tutorial, we tackle that chore together. Continue Reading
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Feature
30 Jan 2015
AngularJS: A JavaScript framework built with software testing in mind
Modern development methodologies rely heavily on testing and testing frameworks. Of course, testing frameworks are quite mature in the Java and .NET world, but they have been nascent in terms of JavaScript. Here's what's new in the world of JavaScript testing. Continue Reading
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Tutorial
20 Jul 2014
Template based web design with JSF Facelets: ui:insert versus ui:include
When creating a web page template with JSF, a developer needs to know the difference between ui:insert and ui:include. They're actually quite different, but the similar sounding names can create confusion. Here's a great example of when to use ui:insert and how to properly use ui:include. Continue Reading
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Tutorial
20 Jul 2014
Creating pages based on a JSF template: Using the Facelets ui:define tag
What do you do once you've set up a handsome page template using the Facelets functions that come with JSF 2.x? Well, you start creating new pages, meshing those ui:define tags in with ui:composition and ui:insert. It's easier than it sounds, trust me. Continue Reading
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Tip
29 Apr 2014
How to define a portlet namespace and context paths using JSTL and JSP
Learn how to define portlet namespaces and context paths using JSTL and the JSP expression language. Continue Reading
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Tutorial
18 Feb 2014
How to animate your web pages using JavaScript, HTML and CSS: A tutorial
One of the great benefits to using JavaScript is the fact that it allows you to animate your web pages in simple yet creative ways. Here we look at a simple example that animates the result of a game or rock-paper-scissors. Continue Reading
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Tutorial
17 Feb 2014
Tutorial: Coding a simple Rock Paper Scissors application in JavaScript
Rock, paper scissors, or Rashambo as it is called in some circles, is a simple game that most people understand, which makes it a great scenario for learning how to program in JavaScript. Continue Reading
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Tutorial
17 Feb 2014
A simple tutorial on using the JavaScript event model
To be great at JavaScript languages like JQuery, Dojo and YUI, you must master the basics of JavaScript. Here we look at implementing a simple Roshambo application using the JavaScript event model. Continue Reading
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Tip
04 Oct 2013
Annotation versus XML configuration: Which JPA option to choose?
A common debate in the JPA community is whether to configure applications using an XML or annotations based approach. Here are some reasons why you might want to choose XML instead. Continue Reading
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Tip
04 Oct 2013
Simplified ORM configuration with Spring, JPA and Hibernate path scanning
Configuring Spring, JPA, Hibernate or other ORM technologies can be a challenge. One way to simplify ORM configuration is to configure package scanning for entity classes. Continue Reading
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Tutorial
11 Aug 2013
Application_Scope versus Portlet_Scope: Understanding the JSR 286 PortletSession
Managing state through the PortletSession is a supremely important job for the portal developer, and knowing how to manage the session means understanding the difference between the PortletSession scopes: APPLICATION_SCOPE and PORTLET_SCOPE. Continue Reading
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Feature
21 Jul 2013
JSR-286 portlet development tutorial and technology guide
This JSR-286 Portlet Development Tutorial and Technology Guide is designed to help enterprise Java professionals gain the knowledge they need to excel in the emerging portal and portlet development space. Continue Reading
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Tutorial
30 May 2013
JSR-286 Development Tutorial: JSPs, MVC and the portlet tag library
This JSR-286 tutorial demonstrates how to develop JSPs, using the portlet tag library, that comply to the MVC design pattern. Continue Reading
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Tutorial
17 May 2013
JSR-286 development tutorial: Mastering request-response programming
This portlet programming tutorial shows how the PortletRequest and Portlet Response are used when developing JSR-286, request-response based apps. Continue Reading
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Tutorial
16 May 2013
JSR-286 development tutorial: An introduction to portlet programming
This portlet programming tutorial is an introduction to developing JSR-286 applications that can be deployed to any standards-based portal server. Continue Reading
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Tip
05 May 2013
Two most commonly misconfigured Tomcat performance settings
Tomcat on the server is different from Tomcat on the desktop, but too many system admins fail to optimize their production servers for performance. Continue Reading
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Tip
05 May 2013
Tomcat performance optimization through consolidated log file handlers
By default Tomcat uses several log file handlers, but performance can easily be optimized by configuring the server to use only one. Continue Reading
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Feature
10 Jan 2013
How NoSQL, MySQL and MongoDB worked together to solve a big-data problem
Choosing between schemaless NoSQL databases and strong-schema relational designs isn't an either-or decision, as this case study points out. When dealing with their big data problem, Craigslist decided that their MySQL servers could use a little help from MongoDB, and putting the two technologies together created a better system with greater availability, scalability and performance. Continue Reading
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Feature
30 May 2012
Java EE 7 migration: Risk mitigation strategies
Some enterprise Java shops are weighing the risks of a migration to Java EE 7 against the potential benefits, which are incremental and cloud focused. Continue Reading
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Tutorial
24 Feb 2012
Convert server-side Java to client-side HTML
This brief video tutorial uses Java code on the server side to push an HTML link to the client in simple html. Continue Reading
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Tip
23 Feb 2012
Five Neat Things You Can Do Out of the Box with Liferay Portal
If you've ever run a competitive portal, you know that so many of them have little more than the "weather portlet" or "bookmarks" portlet after installation. Liferay is amazing because it has such full featured functionality 'out of the box.' Here's just five featuers I love about Liferay Portal 6.1. Continue Reading
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Tutorial
12 Jan 2012
New Java 7 Features: How to Use a More Precise Rethrow in Exceptions from Project Coin
Afficionados of other languages such as Scala or Clojure are always slagging the fact that Java is too verbose and cumbersome. So, it's not too surprising to find out that Java 7 introduced a number of new facilities that can help to trim down the code an application developer is required to write. Continue Reading
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News
07 Oct 2011
JavaOne 2011: Mark it up as a success
Last year a cloud of gloom hung over the three or four San Francisco hotels in which Oracle had sliced, diced and distributed all of the JavaOne sessions. There was a clear and palpable feeling of distrust and uncertainty that permeated the on-goings, and a typical sentiment was 'JavaOne was a lot better when Sun was running it.' Continue Reading
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Tip
02 Oct 2011
Include vs. Forward of the Servlet RequestDispatcher
The key difference between the two is the fact that the forward method will close the output stream after it has been invoked, whereas the include method leaves the output stream open. Continue Reading
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News
11 Aug 2011
Mobicents Sip Servlets 1.6.0.FINAL is out
The release comes with the following new features: SNMP support, support for SIP servers, support for ENUM, Mobicents Sip Servlets, DoS attack protection, JSR 289 Extension, Simple Global Logging Configuration, and IPv6 support. Also of note in the new release are the move to Apache Tomcat 6.0.32 and numerous bug fixes. Continue Reading
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Tip
02 Jun 2011
HTML5, Java and the future of Web development
The new mobile Web may feature a clear separation between the front-end HTML5 UI and the back-end Java applications. Continue Reading
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Tutorial
02 Mar 2011
Working with CDI and JSF 2.0 on Tomcat 7: Configuring Weld
By default, you can't use CDI in your JSF 2.0 applications when they are simply deployed to a standard servlet engine such as Tomcat 7. But, with Weld, you can make it work. Continue Reading
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Feature
08 Feb 2011
Top 5 reasons that JSP scriptlets suck
Learn the top 5 reasons why scriplets and Java code aren't optimal in JSP pages. Continue Reading
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News
11 May 2006
Free Book: Servlets and JavaServer Pages: The J2EE Technology Web Tier
Addison-Wesley and Developmentor have provided TheServerSide.com with the entire book of Servlets and JSP the J2EE Web Tier for free download. Servlets and JSP the J2EE Web Tier is a book authored by Jayson Falkner and Kevin Jones about the latest in Servlets and JSP. The current version of the book covers Servlets 2.4, JSP 2.0, and the JSTL 1.0. Both Kevin and Jayson helped directly make the specifications and are proud to publish one of the first books covering the technologies. Continue Reading