Supported Environments

Application/Web Server

  • Eclipse Jetty 12.0
  • Apache Tomcat 10.1

Operating System

  • Ubuntu 24.04 LTS
  • macOS 15
  • Windows 11
  • Windows Server 2022

Container OS/ARCH

  • linux/amd64
  • linux/arm64

Web Browser

  • Firefox 140 ESR
  • Chrome 145
  • Edge 145

Database

  • PostgreSQL 16.1
  • MariaDB 10.6
  • SQL Server 2019
  • Azure SQL Database
  • MySQL 8.0
  • Oracle 19c

Requirements

OpenL Rule Services

Resource Minimum Recommended
Memory 512 MB 1 GB
CPU 1 2
Disk Space 100 MB 500 MB
Network 1 Mbps 10 Mbps

OpenL Studio

The following are the minimum and recommended system requirements for running OpenL Studio, the integrated development environment (IDE) for OpenL Tablets. The recommended requirements are based on typical usage scenarios and may vary depending on the size and complexity of the projects being developed, on the count of concurrent users.

Resource Minimum Recommended
Memory 2 GB 16 GB
CPU 2 cores 4 cores
Disk Space 100 MB 1 GB
Network 1 Mbps 10 Mbps

Specifications, APIs, and Frameworks

  • Jakarta EE 10.0
  • Spring Framework 6.2
  • SAML 2.0
  • OAuth 2.0
  • OpenID Connect 1.0
  • OpenAPI 3.0
  • Java 21
  • Groovy 4.0
  • JavaScript ES2023

Java Version Compatibility Matrix

OpenL Version Java 6 Java 7 Java 8 Java 11 Java 17 Java 21 Java 25 Java 29
5.10.0 Y Y            
5.16.0 Y Y Y          
5.20.0   Y Y          
5.22.0     Y Y        
5.26.0       Y        
5.27.8       Y Y Y    
5.27.12       Y Y Y Y  
6.0.0           Y Y  
7.0.0             Y  
8.0.0             Y Y

Support References