[ https://issues.jboss.org/browse/WFLY-9626?page=com.atlassian.jira.plugin.... ] Guido Jäkel commented on WFLY-9626: ----------------------------------- For reference, here some declaration of the deployment where the problem was discovered {code:title=jboss-app.xml} <!-- generated 20171206-095642 by _genoverlayfiles for "api.nbn-resolving.org/ROOT.ear" --> <jboss-app xmlns="http://java.sun.com/xml/ns/javaee" <<---- this NS is need to have access to the resource-ref tag xmlns:jboss="http://www.jboss.com/xml/ns/javaee" <<---- this NS is need to have access to the security-domain tag xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://www.jboss.org/j2ee/schema/jboss-app_7_0.xsd" version="7.0"> <module> <web> <web-uri> urnadministration-api-impl-1.0.3-SNAPSHOT.war </web-uri> <context-root> / </context-root> </web> </module> <resource-ref> <res-ref-name>java:/jdbc/urn</res-ref-name> <jndi-name>java:jboss/datasources/epicur</jndi-name> </resource-ref> <!-- jboss:security-domain> <<---- if enabled here, the applications throws the exception api.nbn-resolving.org/ROOT </jboss:security-domain --> </jboss-app> {code} {code:title=urnadministration-api-impl-*.war/WEB-INF/jboss-web.xml} <?xml version="1.0" encoding="UTF-8"?<!-- generated 20171206-095642 by _genoverlayfiles for "api.nbn-resolving.org/ROOT.ear" --> <jboss-web xmlns="http://www.jboss.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.jboss.com/xml/ns/javaee http://www.jboss.org/j2ee/schema/jboss-web_10_0.xsd" <virtual-host> api.nbn-resolving.org </virtual-host> <security-domain> <<--- if disabled here, the app can't authorize api.nbn-resolving.org/ROOT </security-domain> </jboss-web> {code} -- This message was sent by Atlassian JIRA (v7.5.0#75005)