Hot Deployment of Classes with Eclipse JBoss Plugin Red Hat CodeReady Studio

Install Eclipse Plugin Red Hat CodeReady Studio

Easiest alternative is to do it when online. Follow instruction at https://access.redhat.com/documentation/en-us/red_hat_codeready_studio/12.18/html-single/installation_guide/index#installing-crs-in-eclipse-when-online_installing-crs-in-eclipse.

Configure Hot Deployment Scanner in JBoss EAP 7.3

Get JBoss EAP 7.3 zip and extract it. Then edit standalone.xml and set auto-deploy-exploded="true".

        <subsystem xmlns="urn:jboss:domain:deployment-scanner:2.0">
            <deployment-scanner path="deployments" relative-to="jboss.server.base.dir" scan-interval="5000" auto-deploy-exploded="true" runtime-failure-causes-rollback="${jboss.deployment.scanner.rollback.on.failure:false}"/>
        </subsystem>

Run/Debug

Finally configure JBoss EAP 7.3 server in server window.