In accesscontrol.properties, if the combining is
Then creating producer on myqueue with someuser will be denied as expected:
Exception in thread "main" com.sun.messaging.jms.JMSSecurityException: [C4076]: Client does not have permission to create producer on destination: myQueue user=someuser, broker=localhost:7677(53126)
But if the combining is
Then creating producer on myqueue with someuser can succeed, which is unexpected.