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google.appengine.api.urlfetch_errors module SummaryErrors used in the urlfetch API.
ContentsBases: google.appengine.api.urlfetch_errors.DownloadError
The URL was not fetched because the deadline was exceeded.
This can occur with either the client-supplied deadline
, or the system default if the client does not supply a deadline
parameter.
Bases: google.appengine.api.urlfetch_errors.Error
The URL could not be retrieved.
This exception is only raised when we cannot contact the server. HTTP errors (such as 404) are returned in the status_code
field in the return value of fetch
, and no exception is raised.
Bases: exceptions.Exception
Base URL fetcher error type.
Bases: google.appengine.api.urlfetch_errors.Error
The URL given was empty or invalid.
Only HTTP and HTTPS URLs are allowed. The maximum URL length is 2048 characters. The login and password portion is not allowed. In deployed applications, only ports 80 and 443 for HTTP and HTTPS respectively are allowed.
Bases: google.appengine.api.urlfetch_errors.DownloadError
The target server returned an invalid HTTP response.
Responses are invalid if they contain no headers, malformed or incomplete headers, or have content missing.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-06-16 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-16 UTC."],[[["This module defines various error exceptions for the `urlfetch` API in Google App Engine."],["`DownloadError` is a base exception raised when the server cannot be contacted, and it has child exceptions like `ConnectionClosedError`, `DNSLookupFailedError`, `DeadlineExceededError`, `MalformedReplyError`, and `TooManyRedirectsError`."],["`Error` is a general base error type for all `urlfetch` errors, including those not directly related to downloads like `InternalTransientError`, `InvalidMethodError`, `InvalidURLError`, `ResponseTooLargeError`, and `SSLCertificateError`."],["`InvalidURLError` is raised when the URL is empty, invalid, or exceeds length limits, and `PayloadTooLargeError` is an extension of this error."],["The `DeadlineExceededError` exception signifies that a URL fetch failed because the specified or default time limit was exceeded."]]],[]]
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