for(int i = 0; i < machines.length; i++) {
OracleAgent oracleAgent = (OracleAgent) allAgents.get(machines[i]);
if (oracleAgent != null) {
try {
ret = ret && oracleAgent.stopListener();
} catch (Exception e) {
ret = ret && false;
logger.severe("Failed to stop listner on " + machines[i] + " " + e);
logger.log(Level.FINE, "Exception", e);
}