Cannot remove modcluster subsystem for the first time ----------------------------------------------------- Key: WFLY-9903 URL: https://issues.jboss.org/browse/WFLY-9903 Project: WildFly Issue Type: Bug Components: mod_cluster Affects Versions: 12.0.0.Beta1 Environment: Debian stable, openjdk 8 Reporter: Marcel Šebek Assignee: Radoslav Husar Priority: Critical Fix For: 12.0.0.Final Removal of modcluster subsystem first produces an error, and succeeds for the second time: [standalone@localhost:9990 /] /subsystem=modcluster:remove() { "outcome" => "failed", "failure-description" => "WFLYCTL0441: Operation has resulted in failed or missing services WFLYCTL0184: New missing/unsatisfied dependencies: service org.wildfly.mod_cluster.undertow (unavailable) dependents: [service org.wildfly.undertow.http-invoker.host.default-host.http-invoker] ", "rolled-back" => true } [standalone@localhost:9990 /] /subsystem=modcluster:remove() { "outcome" => "success", "response-headers" => { "operation-requires-reload" => true, "process-state" => "reload-required" } } Error in the wildfly output is 18:35:11,316 INFO [org.jboss.modcluster] (ServerService Thread Pool -- 78) MODCLUSTER000002: Initiating mod_cluster shutdown 18:35:11,319 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 2) WFLYCTL0013: Operation ("remove") failed - address: ([("subsystem" => "modcluster")]) - failure description: "WFLYCTL0441: Operation has resulted in failed or missing services WFLYCTL0184: New missing/unsatisfied dependencies: service org.wildfly.mod_cluster.undertow (unavailable) dependents: [service org.wildfly.undertow.http-invoker.host.default-host.http-invoker] " 18:35:11,321 INFO [org.jboss.as.controller] (management-handler-thread - 2) WFLYCTL0183: Service status report WFLYCTL0184: New missing/unsatisfied dependencies: service org.wildfly.mod_cluster.undertow (unavailable) dependents: [service org.wildfly.undertow.http-invoker.host.default-host.http-invoker] For the second time, it succeeds.