[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-517) Upgrade jboss-parent to 21

Upgrade jboss-parent to 21 -------------------------- Key: MODCLUSTER-517 URL: https://issues.jboss.org/browse/MODCLUSTER-517 Project: mod_cluster Issue Type: Component Upgrade Components: Core & Container Integration (Java) Reporter: Radoslav Husar Assignee: Radoslav Husar Fix For: 1.4.0.Alpha1, 2.0.0.Alpha1 Supposedly in preparation for JDK 9 support: https://github.com/jboss/jboss-parent-pom/releases/tag/jboss-parent-21