m.receiveMessages(Optional.ofNullable(duration), Optional.ofNullable(maxMessages), handler);
} catch (IOException e) {
throw new IOErrorException("Error while receiving messages: " + e.getMessage(), e);
m.receiveMessages(Optional.ofNullable(duration), Optional.ofNullable(maxMessages), handler);
} catch (IOException e) {
throw new IOErrorException("Error while receiving messages: " + e.getMessage(), e);