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.