JBossAS Archives - Page 4 of 36

Configuring a Datasource with MySQL on WildFly

14 January 202417 October 2023 by F.Marchioni

In this tutorial we will learn how to install and configure a Datasource on WildFly which uses MySQL or MariaDB as Database. We will show how to set up MySQL database using Docker. Then, we will show the Datasource configuration in both standalone mode and domain mode. Step 1: Set up MySQL Database In order to … Read more

How to solve java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY

11 December 202311 October 2023 by F.Marchioni

When deploying applications on WildFly, encountering a log4j2 core libs and log4j2 API mismatch issue is not uncommon. This issue, presented as java.lang.NoSuchFieldError: EMPTY_BYTE_ARRAY, arises due to discrepancies between the Log4j2 core libraries used within the application and the Log4j2 API provided by WildFly’s modules. Cause: Firstly, the mismatch occurs when the application uses a … Read more

Migrate JBoss applications from Log4j1 to Log4j2

11 December 202311 October 2023 by F.Marchioni

This is a short article explaining how to migrate your Java applications running with Log4j 1.x to Log4j 2.x with special focus on WildFly / JBoss EAP.

Solving “Handler java.util.logging.ConsoleHandler is not defined” on Wildlfy

10 December 202310 October 2023 by F.Marchioni

This article will explain how to solve the issue “Handler java.util.logging.ConsoleHandler is not defined” when deploying a Spring Boot Web application on WildFly.

allowPublicKeyRetrieval option in the MySQL JDBC connector

18 December 202318 September 2023 by F.Marchioni

The allowPublicKeyRetrieval option in the MySQL JDBC connector is used to control whether the client is allowed to request the public key of the server during an SSL connection. By default, this option is set to false to enhance security and prevent potential man-in-the-middle attacks. However, in some cases, it may be necessary to set this option to true to enable certain features or compatibility with older applications.

How to connect to PostgreSQL from Java over SSL

12 December 202312 September 2023 by F.Marchioni

Configuring JDBC connectivity to PostgreSQL over SSL involves a few steps, especially when setting up SSL validation or opting for a non-validating SSL connection. Below is a tutorial demonstrating both options.

Is JBoss EAP free to use ?

21 December 202312 September 2023 by F.Marchioni

Navigating the landscape of JBoss EAP’s accessibility often sparks the common query, “Is JBoss EAP free?” In this comprehensive discussion, we aim to shed light on this frequently debated topic, offering insights and clarifications for your consideration.

Please note that the information provided here reflects the available options at the time of writing. To access the most current details, we strongly advise consulting Red Hat’s official website through the links provided in this article.

Configuring WildFly Batch Job Repository

19 January 202425 August 2023 by F.Marchioni

WildFly ships with the subsystem batch-jberet which is the administration side of JSR 352, also known as Batch API for Java applications. This JSR specifies a programming model for batch applications and a runtime for scheduling and executing jobs. WildFly Batch Job Repository configuration Out of the box, the following configuration defines the batch-jberet subsystem: … Read more

How to configure Logging Profiles in WildFly

31 October 202314 July 2023 by F.Marchioni

A logging profile allows you to define and configure logging specific to that particular application. This includes specifying the log levels, log handlers, and formatting for the logs generated by your application. In this article we will learn how to define a Logging Profile and the key differences with Standard Loggers.

How to use Log4j2 in your WildFly applications

11 September 202317 June 2023 by F.Marchioni

Log4j2 is the latest major release of the popular Logging Framework. In this tutorial we will learn how to include Log4j2 configuration file and use it in your deployments running on WildFly.