ErrLookup › labstack/echo

labstack/echo

High performance, minimalist Go web framework · Go · 45 source files

Analyzed at 05489dc173 on 2026-08-04. 67 documented errors.

Code / Message	Type	Severity	Tags
binding element must be a struct	validation	error	binding, form, reflection, struct
panic: err from config.ToMiddleware() in…	panic	error	middleware, request-logger, configuration, panic, startup, echo
response writer flushing is not supported	panic	critical	echo, response, flusher, panic, runtime, error-handler
binding to multipart.FileHeader struct is not supported…	validation	error	binding, multipart, file-upload, pointer
proxy raw, hijack error=	http	error	proxy, websocket, hijack, network, runtime
echo key-auth middleware could not create key extractor	validation	error	config, key-auth, middleware, startup
ResponseWriter does not implement 'Unwrap()…	exception	error	echo, response, http, type-assertion, runtime
file does not implement io.ReadSeeker	exception	error	filesystem, static-files, io-readseeker, serve-content
%s: %w	validation	error	binding, unmarshaler, error-wrapping, multiple-values
missing LogValuesFunc callback function for request logger…	validation	error	middleware, request-logger, logging, config, panic, startup
static middleware failed to create sub-filesystem	exception	error	static, filesystem, runtime, config
redirectConfig is missing redirect function	validation	error	middleware, redirect, config, panic, startup
* as allowed origin and AllowCredentials=true is insecure…	validation	error	middleware, cors, security, config, panic, credentials
unknown type	validation	error	binding, reflection, type-conversion, unsupported-type
`ErrCookieNotFound` cookie not found	error_code	warning	cookie, http-request, sentinel-error
timeout must be set	validation	error	middleware, context-timeout, config, panic, startup
query/param/form tags are not allowed with anonymous struct…	validation	error	binding, anonymous-struct, embedded, tags
panic: err from g.AddRoute	panic	critical	group, router, middleware, panic, startup
unexpected error happened when reading from…	panic	critical	crypto, random, csrf, request-id, panic, runtime, system
echo key-auth middleware could not create extractors from…	validation	error	middleware, key-auth, config, panic, startup
echo: response writer %T does not support flushing…	panic	error	response, flusher, streaming, sse, runtime, panic
echo basic-auth middleware requires a validator function	validation	critical	middleware, basic-auth, configuration, panic, startup
route not found	exception	warning	echo, router, reverse, routes, runtime
panic: errs collected from g.AddRoute failures in…	panic	critical	group, router, panic, startup, routing
echo body-dump middleware requires a handler function	validation	critical	middleware, body-dump, configuration, panic, startup
extractor source for lookup could not be split into needed…	validation	error	middleware, extractor, configuration
panic: err from config.ToMiddleware()	panic	critical	middleware, config, panic, startup
proxy raw, copy body error=	http	warning	proxy, websocket, network, runtime, io
`ErrInvalidCertOrKeyType` invalid cert or key type, must be string or []byte	error_code	error	tls, https, cert, configuration, type-check
`ErrNonExistentKey` non existent key	error_code	warning	context-store, generics, key-lookup
can not create sub FS, invalid root given, err	panic	critical	filesystem, embed, startup, panic
echo key-auth middleware requires a validator function	validation	error	middleware, key-auth, auth, config, panic, security, startup
at least one AllowOrigins is required or…	validation	error	middleware, cors, config, panic, security, startup
failed to parse form value, key	validation	error	binding, form
route not found by method and path	exception	warning	echo, router, routes, nil-guard, runtime
static middleware failed to get file info for listing	exception	warning	static, filesystem, directory-listing, runtime, race
invalid gzip level	validation	critical	middleware, gzip, compression, configuration, panic, startup
echo static middleware directory list template parsing error	validation	error	config, static, template, startup
`ErrInvalidListenerNetwork` invalid listener network	error_code	critical	listener, network, server-startup, configuration
invalid redirect code for add trailing slash middleware	validation	error	middleware, trailing-slash, redirect, config, panic, startup
route not found by method	exception	warning	echo, router, routes, nil-guard, runtime
echo rate limiter store configuration must be provided	validation	error	middleware, rate-limiter, config, panic, startup
static middleware failed to create sub-filesystem from…	validation	error	config, static, filesystem, embed, startup
static middleware failed to read directory for listing	exception	warning	static, filesystem, directory-listing, runtime, permissions
can not parse	validation	error	config, cors, csrf, url, startup
context SetPathValues called with nil PathValues	panic	error	context, router, panic, programming-error
adding duplicate route (same method+path) is not allowed	validation	error	routing, duplicate
`ErrInvalidKeyType` invalid key type	error_code	error	context-store, generics, type-mismatch, type-assertion
panic: err from g.AddRoute in Group.Add	panic	critical	group, router, panic, startup, routing
echo proxy middleware requires balancer	validation	error	middleware, proxy, config, panic, startup
route not found by path	exception	error	routing, nil-check
is missing scheme or host	validation	error	config, cors, csrf, url, startup
unsupported value type: %T	validation	error	binding, type-mismatch
options are only supported for time.Time, got %T	validation	error	binding, type-mismatch
failed to unescape path variable	exception	warning	static-files, url-encoding, security
`ErrInvalidRedirectCode` invalid redirect status code	error_code	error	redirect, http-status, validation
can not have path, query, and fragments	validation	error	config, cors, csrf, url, startup
`ErrValidatorNotRegistered` validator not registered	error_code	error	validation, configuration, startup
echo rewrite middleware requires url path rewrite rules or…	validation	error	middleware, rewrite, config, panic, startup
adding route without handler function	validation	error	routing, configuration
failed to parse value, err	validation	error	binding, parse, validation
could not find route to remove by given path	exception	error	routing, lookup
could not find route to remove by given path and method	exception	error	routing, http-method
failed to parse form values, key	validation	error	binding, form
invalid redirect code for remove trailing slash middleware	validation	error	middleware, trailing-slash, redirect, config, panic, startup
route not found by name	exception	error	routing, nil-check
router has no routes to remove	exception	warning	routing, lifecycle