public void setupAssociators() {
logger.debug("IN");
env.setParameter("operation-output", env.getOutputFile());
for(int i = 0; i < associators.size(); i++) {
Associator associator = (Associator)associators.get(i);
TextListener listener = new TextListener() {
public void acceptText(TextEvent e) {
try {
synchronized(this) {
Writer writer = new FileWriter(env.getOutputFile(), true);