What Is WildFly Web Server?


Heather Bennett

WildFly Web Server, formerly known as JBoss AS (Application Server), is a lightweight, fast, and flexible Java-based open-source server solution. It is developed and maintained by the Red Hat community and offers a platform for deploying Java Enterprise Edition (Java EE) applications. With its powerful features and extensive support for Java standards, WildFly Web Server has become a popular choice among developers for building robust and scalable web applications.

Key Features of WildFly Web Server:

WildFly Web Server comes packed with a wide range of features that make it a compelling option for developers. Some of its key features include:

  • Lightweight: WildFly Web Server is designed to be lightweight, providing fast startup times and low memory footprint. This makes it ideal for resource-constrained environments or microservices architectures.
  • Java EE Compatibility: WildFly fully supports the latest Java EE standards, ensuring compatibility with existing enterprise applications. It supports features such as Servlets, JavaServer Pages (JSP), Java Persistence API (JPA), WebSocket, and many more.
  • Ease of Use: The server offers an intuitive management console that allows administrators to easily configure and monitor server instances. It provides a user-friendly interface for managing resources, security settings, and application deployments.
  • Highly Modular: WildFly follows a modular architecture based on the Java Service Provider Interface (SPI).

    This allows developers to customize their server configurations by enabling or disabling specific modules based on their requirements.

  • Fault Tolerance: WildFly supports clustering and load balancing to ensure high availability and fault tolerance. It provides features like session replication, distributed caching, and failover mechanisms that help maintain application uptime.
  • Security: The server offers robust security features, including support for the latest security protocols and authentication mechanisms. It provides fine-grained access control and supports integration with external identity providers.

Getting Started with WildFly Web Server:

If you’re new to WildFly Web Server, here’s a step-by-step guide to help you get started:

1. Download and Install WildFly:

To begin, visit the official WildFly website (https://wildfly.org) and download the latest stable release of the server. Once downloaded, follow the installation instructions provided in the documentation for your specific operating system.

2. Start WildFly:

After installation, navigate to the installation directory and locate the “bin” folder. Open a terminal or command prompt in this directory and run the appropriate startup script (e.g., “standalone.bat” for Windows or “standalone.sh” for Unix-based systems).

3. Access the Management Console:

Once WildFly is up and running, you can access the management console by opening a web browser and entering “http://localhost:9990/console” in the address bar. This will open the administration interface where you can configure server settings and deploy applications.

4. Deploy Your Application:

To deploy your Java EE application, navigate to the management console’s “Deployments” section and click on “Add Content.” Select your application’s deployment file (WAR or EAR) from your local system and click “Upload.” The server will automatically deploy your application and make it available for use.


In summary, WildFly Web Server is a powerful Java-based open-source server solution that offers a lightweight, flexible, and feature-rich platform for developing and deploying Java EE applications. Its extensive support for Java standards, ease of use, and robustness make it an excellent choice for developers looking to build scalable and reliable web applications.

So why wait? Give WildFly Web Server a try and experience the benefits it brings to your Java EE development projects!

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