CollectionProcessingEngine cpe = setupCpm(documentCount, "NullPointerException",
exceptionSequence, "getNext");
// Create and register a Status Callback Listener
TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
cpe.addStatusCallbackListener(listener);
cpe.process();
// wait until cpm has finished
while (!listener.isFinished() && !listener.isAborted()) {