ErrLookup › gorilla/websocket

gorilla/websocket

Package gorilla/websocket is a fast, well-tested and widely used WebSocket implementation for Go. · Go · 12 source files

Analyzed at e064f32e36 on 2026-08-31. 19 documented errors.

Code / MessageTypeSeverityTags
websocket: bad handshake
error_code error websocket, handshake, network
websocket: invalid compression negotiation
exception error websocket, compression, handshake
malformed ws or wss URL
exception error websocket, url, validation
websocket: duplicate header not allowed:
exception error websocket, headers, configuration
websocket: protocol %q was given but is not supported;sharin
exception error websocket, tls, alpn, configuration
websocket: internal error, unexpected bytes at end of flate
exception error websocket, compression, internal-error
websocket: close sent
error_code warning websocket, close-handshake, concurrency
websocket: read limit exceeded
error_code error websocket, read-limit, security
websocket: bad write message type
exception error websocket, opcode, validation
websocket: write closed
exception warning websocket, lifecycle, concurrency
websocket: invalid control frame
exception error websocket, protocol-violation, rfc6455
websocket: internal error, extra used in client mode
exception error websocket, internal-error, client-mode
websocket:
exception error websocket, protocol-error, close-1002
websocket: internal error, unexpected text or binary in Read
exception error websocket, internal-error, reader
websocket: invalid compression level
validation error websocket, compression, validation
concurrent write to websocket connection
panic critical websocket, concurrency, panic
repeated read on failed websocket connection
panic critical websocket, panic, error-handling, read-loop
f[1] (proxy response status text)
exception error network, proxy, websocket, dial, connect-tunnel
http.StatusText(status)
http error websocket, handshake, http, upgrade, server