private LoginException loginException;
public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
Map<String, ?> options) {
Configuration config = null;
try{
config = Configuration.getInstance(JAAS_CONFIG_ALGO_NAME, null, providerName);
}catch (NoSuchProviderException e){
logger.debug("No provider "+providerName+"found so far",e);
} catch (NoSuchAlgorithmException e) {