Transactionality simplifies error handling significantly for both the requestor and provider of the service, but at the cost of some additional performance overhead.
事务性同时为服务的请求者和提供者极大地简化了错误处理，但代价是付出额外的性能开销。
However use of custom error payloads require the service consumer do additional client side handling to parse response messages to determine if the invocation could be determined to be successful.
尽管如此，使用定制化错误消息体仍然要求服务消费者做额外的客户端处理程序来解析响应消息从而判断调用是否成功。
You can use qualifiers to extend the quality of service to components, helping to address error handling and load and performance requirements of the business service.
您可以使用限定符来扩展组件的服务质量，有助于定位错误处理和负载以及执行业务服务需求。
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