Not able to undefine initial-pool-size attribute of datasource -------------------------------------------------------------- Key: WFLY-8298 URL: https://issues.jboss.org/browse/WFLY-8298 Project: WildFly Issue Type: Bug Components: JCA Affects Versions: 10.1.0.Final Reporter: Dmitrii Tikhomirov Assignee: Dmitrii Tikhomirov Priority: Blocker {code} /subsystem=datasources/data-source=ExampleDS:undefine-attribute(name=initial-pool-size) { "outcome" => "failed", "failure-description" => "WFLYJCA0045: failed to set attribute: null", "rolled-back" => true } {code} This is regression compared to EAP 7.0.0.GA as well as 7.1.0.DR12.