返回的信息可用于对网络(套接字连接响应时间)性能和网络故障原因代码进行分析。
Information returned can provide insight into the performance of the network (socket connect response time) and network failure reason codes.
流程异常的原因通常是一些临时错误，比如连通性故障、超时、或设计时代码错误。
Process exceptions are often caused due to temporary errors such as connectivity failure, timeouts, or design time code errors.
然后输出错误代码和故障原因。
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