8.12
6 Exceptions
Represents an error related to this library, including protocol errors,
communication errors, and misues of library features.
The info field contains an immutable hash with additional details about
the error. The following are some common keys in info; the presence or
absence of any of these keys depends on the specific error.
'code —
a symbol indicating what kind of error occurred, in a form more suitable for comparison than parsing the error message 'version —
either 'http/1.1 or 'http/2, only present for protocol-dependent errors 'http2-error —
a symbol indicating an HTTP/2 error code (eg, 'PROTOCOL_ERROR) or 'unknown if the error code is unfamiliar, only present when using HTTP/2 'received —
one of 'yes, 'no, or 'unknown, indicating whether the request was received and processed by the server 'request —
the request that the error is related to 'response —
the response that the error is related to 'wrapped-exn —
contains a more specific exception that represents the immediate source of the error