WildFly support in Domibus will be phased out by Q2 2027. After Domibus 5.2, the supported application servers will be Apache Tomcat and WebLogic.

Comparison of the two, highlighting elements that are more relevant for a Domibus installation:

ElementWebLogicApache Tomcat
CostRequires a production licenceFree
SupportCommercial support from the vendorCommercial support from third parties
FeaturesAdvanced features (for example, assisted cluster-wide deployment & configuration)Limited set of features
Administration & configurationMore complex, requires specific expertiseSimpler
JMS brokerDomibus can use WebLogic's embedded JMS brokerClustered deployments require external JMS broker (ActiveMQ)
Framework supportMay delay support for new frameworks (for example, Jakarta EE 10 available in Tomcat, but late 2025 in WebLogic)Faster adoption of new frameworks
MonitoringBetter monitoringLacks some advanced management and monitoring tools available in WebLogic

We advise you to choose Apache Tomcat or WebLogic depending on your circumstances and requirements.