ErrLookup › guzzle/guzzle

guzzle/guzzle

Guzzle, an extensible PHP HTTP client · PHP · 68 source files

Analyzed at d1cbca7697 on 2026-08-06. 251 documented errors.

Code / MessageTypeSeverityTags
HTTP/3 is supported by the cURL handler, however the…
exception error http3, curl, version, runtime-capability
Passing in the "curl" request option is not supported…
validation error curl, request-options, configuration, misuse
$e->getMessage()
exception error response-body, content-length, overflow, memory, stream-handler
GuzzleHttp\Cookie\FileCookieJar should never be unserialized
panic critical security, deserialization, cookies, file-io, object-injection
Required multiplexing needs libcurl 8.14.0 or newer built…
exception error http2, multiplex, curl, version
Invalid crypto_method_max request option: maximum TLS…
exception error tls, curl, environment, config, runtime
The PHP cURL extension must expose…
exception critical curl, environment, handler, configuration, dependency
Unable to apply the cURL option required to isolate the…
exception error curl, proxy, security, connection-reuse
The "handler" request option is not supported; configure…
validation error proxy, url, validation, network
The request URI host
exception error uri, host, security, ipv4, validation, curl
The stream handler cannot guarantee a multiplexed protocol…
exception error multiplex, stream-handler, http2, handler-selection
Passing in the "curl" request option is not supported…
validation error curl, request-options, allow-list, misuse
Passing in the cURL multi handler "options" is not…
validation error config, curl, validation
Passing in the "curl" request option is not supported…
validation error curl, request-options, configuration, misuse
Proxy headers require libcurl 7.37.0 or newer built with…
exception error proxy, libcurl-version, security, headers, environment
Passing to request option " " is invalid; expected .
validation error request-options, validation, types
Unable to read from stream: timed out
exception error timeout, network, stream, response, deadline
cannot be combined with persistent transport sharing…
validation error config, transport-sharing, connections
Unable to set cURL option CURLOPT_FRESH_CONNECT.
validation error curl, environment, multiplexing, runtime
Failed while transferring the response body
exception error response-body, transfer, stream-handler, io-error
Timed out while writing the response body
exception error response-body, sink, timeout, stream-handler, write
must be an instance of
validation error psr-17, stream-handler, config, invalid-argument
Persistent cURL sharing is required, but this request…
validation error proxy, connection-reuse, sharing, security, misuse
The cURL handler requires libcurl SSL support.
exception critical curl, ssl, tls, environment, handler, configuration
The request URI host
exception error uri, host, security, validation, rfc3986, psr-7
Unable to write to stream
exception error response-body, sink, stream-handler, write, io-error
The "multiplex" request option cannot be required when the…
validation error multiplex, auth, ntlm, curl
HTTP header line is invalid
exception error http, headers, response-parsing, php, guzzle
Required multiplexing for HTTP/3 needs libcurl 8.13.0 or…
exception error curl, http3, multiplex, environment, version, libcurl
The "multiplex" request option cannot be combined with a…
validation error config, multiplexing
Mock queue is empty
validation error testing, mock, guzzle, php, test-setup
Content-Length exceeds the maximum integer size supported…
exception error request, headers, content-length, platform, overflow, framing
auth type must be a string
validation error type-error, handler-stack, middleware, validation
Cannot replace response with a different status code.
validation error exception, response, immutability, validation
auth must contain username and password strings
validation error handler-stack, configuration, logic-error
Content-Length exceeds the maximum cURL upload size…
exception error curl-handler, windows, upload, large-file, platform-limit, runtime
Failed to write the response body
exception error idn, intl, environment, extension
must be a non-empty string
validation error curl-handler, tls, client-cert, validation, config
Invalid Content-Length request header:
exception error request, headers, content-length, validation, framing
Request body ended before the declared Content-Length was…
exception error request-body, content-length, framing, stream
The "multiplex" request option cannot be Multiplexing::NONE…
validation error config, multiplexing, headers
sink must be a resource, string, or
validation error logging, pcre, formatting
The "multiplex" request option can only be…
validation error config, multiplexing, handle-factory
The request-level CURLOPT_SHARE cURL option cannot be…
validation error curl, transport-sharing, share-handle, configuration
Timed out while transferring the response body
exception error response-body, timeout, stream-handler, transfer
on_headers must be callable
validation error config, callback, validation
The request URI host
exception error uri, host, security, validation, request
Failed to rewind the request body
exception error curl-handler, request-body, streaming, upload, runtime
Unable to add the cURL handle to the cURL multi handler
exception error curl, async, libcurl, memory
URI must be a string or
validation error handler, curl, connection-limits, environment
Basic authentication credentials must not contain ASCII…
validation error middleware, handler-stack, logic-error
Passing to request option "body" is invalid; expected…
validation critical handler, curl, environment, configuration, bootstrap
The request URI host
exception error uri, host, security, idn, ascii, validation
Request body stream returned more bytes than requested
exception error request-body, stream, psr-7, framing
Required multiplexing cannot be guaranteed for HTTP/3…
exception error http3, multiplex, proxy, configuration, misuse
The " " option must be null or a…
validation error configuration, validation, transport-sharing
The configured cURL share handle requires CURLOPT_SHARE…
exception error curl, transport-sharing, version, runtime-capability
Digest authentication failed because the server did not…
exception error serialization, handler-stack, logic-error
value is not a non-negative decimal integer
exception error http, content-length, headers, php, guzzle
HTTP protocol version must not be empty.
exception error curl, http-version, handler, validation
Failed to rewind the response body
exception error response-body, sink, stream-handler, seekable
must be a positive integer.
validation error config, stream-handler, constructor, connection-limits
Invalid Content-Length response header
exception error http, content-length, response-framing, headers, php, guzzle
Basic authentication username must not contain a colon
validation error handler-stack, middleware, defensive
The cURL share handle state mode does not match the…
validation error curl, share-handle, transport-sharing, validation, config
The CURLOPT_FORBID_REUSE cURL option cannot be used when…
validation error curl, transport-sharing, connection-reuse, configuration
The CURLOPT_FRESH_CONNECT cURL option cannot be used when…
validation error curl, transport-sharing, connection-reuse, configuration
A request must not contain both Content-Length and…
exception error request, headers, content-length, transfer-encoding, framing, rfc7230
Passing a non-finite float to request option
validation error request-options, query, validation, numeric
The "max_host_connections" and "max_total_connections"…
validation error serialization, logic-error
Will not follow more than
exception error redirect, loop, too-many-redirects, network
headers must be an array
validation error request-options, headers, validation
Passing the "stream_context" request option to a cURL…
validation error curl, stream-handler, request-options, misuse
Response body exceeds the maximum integer size supported on…
exception error response, body, byte-counter, overflow, php, guzzle
The headers array must have header name as keys.
validation error request-options, headers, validation
Response body ended before the declared Content-Length was…
exception error response-body, content-length, truncation, stream-handler, transfer
The "multiplex" request option cannot be required when the…
validation error multiplex, auth, curl, validation
The "multiplex" option must be null or a…
validation error request-options, multiplex, http2, http3, validation
Invalid cURL option .
validation error curl, options, configuration, validation
Required multiplexing cannot be guaranteed for cleartext…
exception error multiplex, proxy, http, configuration
Unable to save file
exception error cookies, file-io, permissions, persistence
GuzzleHttp\Cookie\SessionCookieJar should never be…
panic critical security, deserialization, cookies, session, object-injection
The " " proxy scheme is not supported by the cURL handler.
validation error proxy, curl, validation, configuration
URI must include a scheme and host. Use an absolute URI, a…
exception error uri, scheme, base-uri, misuse
on_stats must be callable
validation error mock, testing, validation, request-options, type
The "multiplex" request option cannot be Multiplexing::NONE…
validation error config, multiplexing, transport-sharing
The "max_host_connections" and "max_total_connections"…
validation error handler, curl, connection-pool, transport-sharing, config, invalidargument
Invalid CurlHandler constructor option
validation error config, handler, validation
The request body position is outside the stream size
exception error request, body, stream, validation, framing, seekable
transfer_time must be a number of seconds
validation error mock, testing, validation, request-options, transfer-stats
Unable to set cURL option
validation error curl, options, type-error, php8
Invalid cert request option
validation error curl-handler, tls, client-cert, validation, config
Request body size must not be negative
exception error request, body, stream, framing, php, guzzle
The "multiplex" CurlMultiHandler option requires…
validation error curl, environment, multiplexing
HTTP protocol version must be a valid HTTP version number.
exception error protocol-version, stream-handler, request, validation
Invalid crypto_method_max request option: HTTP/2 and HTTP/3…
validation error curl-handler, tls, http2, http3, crypto-policy, config
Error creating resource
exception error network, stream-handler, connection, fopen, php, guzzle
An error was encountered during the on_headers event
exception error mock, callback, on-headers, response, handler
proxy no list must be null, a string, or an array of strings
validation error proxy, config, validation, no-proxy, invalidargument
Redirect failed because the request body could not be…
exception error redirect, stream, body, rewind, response-exception