Is WildFly a Web Server?


Scott Campbell

Is WildFly a Web Server?

When it comes to web servers, there are several options available in the market. One such option is WildFly, which is often mistaken for a web server. In this article, we will explore what WildFly is and whether it can be classified as a web server.

What is WildFly?

WildFly, formerly known as JBoss AS (Application Server), is an open-source Java-based application server. It provides a runtime environment for Java applications and supports the Java Enterprise Edition (Java EE) platform. It offers features like support for servlets, JavaServer Pages (JSP), Enterprise JavaBeans (EJB), and more.

Understanding Web Servers

Before determining whether WildFly can be classified as a web server, let’s first understand what exactly a web server is. A web server is software that handles HTTP requests sent by clients (usually web browsers) and responds with the requested data. It primarily serves static content, such as HTML files, images, CSS files, and JavaScript files.

Key Features of Web Servers

  • Serving Static Content: Web servers are designed to efficiently serve static content to clients.
  • HTTP Protocol Support: They understand and respond to HTTP requests from clients.
  • MIME Type Handling: Web servers can determine the appropriate MIME type for requested files based on their file extensions.
  • Caching: They can cache static content to improve performance by reducing server load and response time.

WildFly as an Application Server

Unlike traditional web servers that primarily serve static content, WildFly is an application server. It focuses on providing a runtime environment for Java applications and supports dynamic content generation. While it can handle HTTP requests and serve static files, its main purpose is to execute Java-based applications.

WildFly offers a wide range of features that cater to enterprise-level applications. It supports various Java EE technologies like servlets, JSP, EJB, Java Messaging Service (JMS), and many more. It also provides advanced capabilities such as clustering, load balancing, and high availability.

Key Features of WildFly

  • Java EE Support: WildFly fully supports the Java EE platform and its specifications.
  • Dynamic Content Generation: It enables the execution of server-side logic to generate dynamic content.
  • Distributed Computing: WildFly supports distributed computing environments through clustering and load balancing.
  • Data Persistence: It provides support for Java Persistence API (JPA) for database operations.


In summary, WildFly is not a web server in the traditional sense. While it can handle HTTP requests and serve static content, its primary focus is to provide a runtime environment for Java-based applications.

If you are looking for a web server that specializes in serving static files efficiently, you might want to consider alternatives like Apache HTTP Server or Nginx. However, if your goal is to develop enterprise-level Java applications with advanced features and support for the Java EE platform, WildFly can be an excellent choice.

Note: It’s essential to understand the specific requirements of your project before deciding on the appropriate technology stack.

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