What Web Server Does JBoss Use?


Scott Campbell

What Web Server Does JBoss Use?

When it comes to deploying Java applications, JBoss is a popular choice among developers. But have you ever wondered what web server JBoss uses? In this article, we will explore the web server options available for JBoss and discuss their features and advantages.

What is JBoss?

JBoss is an open-source Java application server that provides a platform for developing and deploying enterprise-level Java applications. It offers a wide range of features such as clustering, load balancing, and high availability, making it a preferred choice for many organizations.

The Built-in Web Server: Undertow

Undertow is the default web server used by JBoss. It is lightweight, fast, and designed to be flexible enough to handle various types of applications. Undertow supports both HTTP and HTTPS protocols, making it suitable for secure communication.

With Undertow, you can easily configure virtual hosts, SSL/TLS encryption, and fine-grained access controls. It also provides support for servlets, websockets, and HTTP/2 protocol. Undertow’s modular architecture allows you to customize its behavior by adding or removing modules according to your application’s requirements.

Advantages of Undertow:

  • Lightweight: Undertow has a small memory footprint compared to other web servers.
  • High Performance: It is designed to handle high traffic loads efficiently.
  • Ease of Configuration: Undertow provides intuitive configuration options.
  • Built-in Security Features: It offers support for SSL/TLS encryption and access controls.
  • Modular Architecture: Undertow allows you to add or remove modules as needed.

Alternative Web Servers

Although Undertow is the default web server for JBoss, you have the flexibility to use other web servers if required. Some popular alternatives include:

  • Apache Tomcat: Tomcat is a widely used web server that supports Java Servlet and JavaServer Pages (JSP) technologies. It is known for its simplicity and ease of use.
  • Apache HTTP Server (httpd): The Apache HTTP Server is a powerful and feature-rich web server that can be used with JBoss.

    It offers excellent performance and scalability.

  • Nginx: Nginx is a lightweight, high-performance web server that can also act as a reverse proxy. It is often used in conjunction with JBoss to improve performance and handle high traffic loads.

If you decide to use an alternative web server with JBoss, you may need to configure it accordingly and ensure compatibility with your Java applications.


In summary, JBoss uses Undertow as its default web server. Undertow offers a lightweight, high-performance solution for deploying Java applications.

However, you also have the option to use alternative web servers like Apache Tomcat or Nginx based on your specific requirements. Consider factors such as performance, scalability, ease of configuration, and security when choosing the right web server for your JBoss deployment.

Remember: The choice of web server depends on your application’s needs and the level of customization required. Take time to evaluate different options before making a decision.

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