Thies Rubarth [https://community.jboss.org/people/thies1979] created the discussion "Re: Exception when testing Oracle datasource connections" To view the discussion, visit: https://community.jboss.org/message/778797#778797 -------------------------------------------------------------- Hi, I just found a quiet simple work around for this problem. I simply added the security domain for the jmx-console to the data source: <local-tx-datasource>   <jndi-name>...</jndi-name>   ... *<security-domain>jmx-console</security-domain>* </local-tx-datasource> -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/778797#778797] Start a new discussion in Datasource Configuration at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]