Common System Errors - 常见错误号

Common System Errors - 常见错误号

• EACCES (Permission denied)

  • An attempt was made to access a file in a way forbidden by its file access permissions.

  • 访问被拒绝

• EADDRINUSE (Address already in use)

  • An attempt to bind a server (net, http, or https) to a local address failed due to another server on the local system already occupying that address.

  • 地址正在被使用（比如：端口号备占用）

• EEXIST (File exists)

  • An existing file was the target of an operation that required that the target not exist.

  • 文件已经存在

• EISDIR (Is a directory)

  • An operation expected a file, but the given pathname was a directory.

  • 给定的路径是目录

• ENOENT (No such file or directory)

  • Commonly raised by fs operations to indicate that a component of the specified pathname does not exist -- no entity (file or directory) could be found by the given path.

  • 文件 或 目录不存在

• ENOTDIR (Not a directory)

  • A component of the given pathname existed, but was not a directory as expected. Commonly raised by fs.readdir.

  • 给定的路径不是目录