日志记录提供了故障前应用程序状态的详细信息，如变量的值、函数的返回值等等。
Logging provides the maximum amount of detail of the application state before the failure, such as value of variables, return value of functions, and so on.
在关键的计算机应用程序的生存期中，日志记录是一件非常重要的活动，特别是当故障的症状并不十分明显时。
Logging is a very important activity in the lifetime of critical computer applications, especially when symptoms of failures aren't readily apparent.
log中记录的所有请求表明故障出现在odr中，而proxy . log文件中记录的失败请求可能表明问题出在应用程序服务器上。
File indicate the failure occurred in the ODR, where failed requests logged in the proxy.log file may indicate the problem is with the application server.
电压转换设备，记录了使计算机执行故障处理的程序的计算机可读记录介质，以及故障处理方法。
Voltage converting device, computer readable recording medium with program recorded thereon for causing computer to execute failure processing, and failure processing method.
应用程序记录错误、警告和故障。
应用程序记录错误、警告和故障。
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