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Bug #15056

closed

Error on requests with large query in URL

Added by Peter Amstutz about 5 years ago. Updated about 4 years ago.

Status:
Resolved
Priority:
Normal
Assigned To:
-
Category:
-
Target version:
-
Story points:
-
Release:
WB2 Future Releases
Release relationship:
Auto

Description

GET requests embed the filters in the "query" portion of the URL. However, when filters get very large (such as requesting a large number of specific uuids, such as when requesting details about child containers) the URL can exceed the server's limit on URL length, causing the request to fail.

To work around this, the API server support queries using POST. The query goes in the body of the request (application/x-www-form-urlencoded), with an added query parameter "_method=GET" so it will be processed as a GET request. This is documented here:

https://doc.arvados.org/api/requests.html

In addition, queries on large numbers of uuids can be broken up into batches (this may also provide a better user experience by showing loading progress sooner).

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