这帮助服务实现者从请求处理程序链中获得 SOAP 信息上下文，然后处理该上下文并将其与响应处理程序链关联。
This helps the service implementer obtain the SOAP message context from the request handler chain, and manipulate that context and associate it with the response handler chain.
带内度量数据的好处是允许您在主机中运行程序，并通过其他度量数据使用的同一种收集机制将信息提供给链路。
The nice thing about in-band metrics is they allow you to run programs on the hosts and feed information up the chain through the same collecting mechanism other metrics use.
道理在于，该链中的处理程序之一最终将处理请求，而错误信息不会出现。
The idea is that eventually one of these handlers in the chain will handle the request, and no error is raised.
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