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Picker – 414 Request-URI Too Large #478

leofeyer opened this issue May 8, 2019 · 0 comments


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commented May 8, 2019

Affected version(s)

Contao 4.4+


If an image gallery contains enough images (300 in my test), the picker URL gets too long and the server throws a "414 Request-URI Too Large" error. This is due to the UUIDs being added to the URL as GET parameter:

Request URL: /contao/picker?context=file&extras%5BfieldType%5D=checkbox&extras%5Bfiles%5D=1&extras%5Bextensions%5D=jpg%2Cjpeg%2Cgif%2Cpng%2Ctif%2Ctiff%2Cbmp%2Csvg%2Csvgz&value=9436bdad-6a6c-11e8-a4b0-5254007b7359,d2700bbb-6e36-11e7-a71f-5254007b7359,d1834430-79e1-11e3-9a26-926f73f26522,1070f4da-880b-11e3-83e3-393046d040cd,f3a65618-1ca7-11e8-a71f-5254007b7359,d180249e-79e1-11e3-9a26-926f73f26522,4b4d4cbb-6536-11e6-a003-5254000a882d,d180b77e-79e1-11e3-9a26-926f73f26522,fc9f4ad2-af6b-11e7-a71f-5254007b7359,d1817948-79e1-11e3-9a26-926f73f26522,4ca96bea-098b-11e8-a71f-5254007b7359,6ec8afc8-1472-11e7-8f85-5254007b7359,d180654e-79e1-11e3-9a26-926f73f26522,d180fa9a-79e1-11e3-9a26-926f73f26522,d181b8d6-79e1-11e3-9a26-926f73f26522,d1817916-79e1-11e3-9a26-926f73f26522,…

As @aschempp suggested, we might be able to work around this by using cross window messaging.

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