public Map<String, Object> toExceptionDescriptor() {
		Map<String, Object> descriptor = new HashMap<>();
		String text = null;
		if (message != null) {
			text = message.formatMessage(position, inserts);
		}
		else {
			text = super.getMessage();
		}
		descriptor.put("message", text);
		descriptor.put("position", position);
		return descriptor;
	}
Produce a simple map of information about the exception that
can be sent to the client for display.
@return map of simple information including message and position
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/job/dsl/JobSpecificationException.java