private FaultTolerantChunkProcessor<I, O> createChunkProcessor() {
BatchRetryTemplate batchRetryTemplate = createRetryOperations();
FaultTolerantChunkProcessor<I, O> chunkProcessor =
new FaultTolerantChunkProcessor<I, O>(getProcessor(), getWriter(), batchRetryTemplate);
chunkProcessor.setBuffering(!isReaderTransactionalQueue());
chunkProcessor.setProcessorTransactional(processorTransactional);
SkipPolicy writeSkipPolicy = createSkipPolicy();
writeSkipPolicy = getFatalExceptionAwareProxy(writeSkipPolicy);
chunkProcessor.setWriteSkipPolicy(writeSkipPolicy);
chunkProcessor.setProcessSkipPolicy(writeSkipPolicy);
chunkProcessor.setRollbackClassifier(getRollbackClassifier());
chunkProcessor.setKeyGenerator(keyGenerator);
detectStreamInReader();
ArrayList<StepListener> listeners = new ArrayList<StepListener>(getItemListeners());
listeners.addAll(skipListeners);
chunkProcessor.setListeners(listeners);
chunkProcessor.setChunkMonitor(chunkMonitor);
return chunkProcessor;
}