[JDK9+] org.jboss.security.negotiation package is exported by two jars ---------------------------------------------------------------------- Key: SECURITY-986 URL: https://issues.redhat.com/browse/SECURITY-986 Project: PicketBox Issue Type: Bug Components: Negotiation Reporter: Tomaž Cerar Assignee: Darran Lofthouse Priority: Major Currently if you have jboss-negotiation-common-3.0.4.Final.jar and jboss-negotiation-extras-3.0.4.Final.jar on your module path, jvm complains as both jars export package org.jboss.security.negotiation package which violates the modules contract where only one module (jar) can provide single package. example error that jvm prints {noformat} Error: Modules jboss.negotiation.common and jboss.negotiation.extras export package org.jboss.security.negotiation to module wildfly.clustering.common {noformat}