类:SystemError

\Class: SystemError

• 继承:<errors.Error>

  \Extends: <errors.Error>

Node.js 在其运行时环境中发生异常时会生成系统错误。这些通常发生在应用违反操作系统约束时。例如,如果应用尝试读取不存在的文件,则会发生系统错误。

\Node.js generates system errors when exceptions occur within its runtime environment. These usually occur when an application violates an operating system constraint. For example, a system error will occur if an application attempts to read a file that does not exist.

• address <string> 如果存在,则为网络连接失败的地址

  \address <string> If present, the address to which a network connection failed

• code <string> 字符串错误码

  \code <string> The string error code

• dest <string> 如果存在,则为报告文件系统错误时的文件路径目标

  \dest <string> If present, the file path destination when reporting a file system error

• errno <number> 系统提供的错误号

  \errno <number> The system-provided error number

• info <Object> 如果存在,则为关于错误情况的额外细节

  \info <Object> If present, extra details about the error condition

• message <string> 系统提供的人类可读的错误描述

  \message <string> A system-provided human-readable description of the error

• path <string> 如果存在,则为报告文件系统错误时的文件路径

  \path <string> If present, the file path when reporting a file system error

• port <number> 如果存在,则为不可用的网络连接端口

  \port <number> If present, the network connection port that is not available

• syscall <string> 触发错误的系统调用名称

  \syscall <string> The name of the system call that triggered the error