- URL url = getClass().getClassLoader().getResource(
- KernelConstants.JAAS_CONFIG);
- System.setProperty("java.security.auth.login.config",
- url.toExternalForm());
+ if (System.getProperty(KernelConstants.JAAS_CONFIG_PROP) == null) {
+ String jaasConfig = KernelConstants.JAAS_CONFIG;
+ URL url = getClass().getClassLoader().getResource(jaasConfig);
+ System.setProperty(KernelConstants.JAAS_CONFIG_PROP, url.toExternalForm());
+ }
+ // explicitly load JAAS configuration
+ Configuration.getConfiguration();