I'm trying to use fileuplad together with form fields in one endpoint. My
smallest use case that demonstrates failure
request is 'multipart/form-data' with fields as in example:
if "image" uploaded is large enough (about 1MB) I got error:
MalformedFormFieldRejection(sizes,Substream Source cannot be materialized
more than once,None)
with smaller upload sizes it works fine.
probably multipart/form-data must be handle in one run, so this construct
is illegal.
val routes = {
(path("resize") & post) {
formFields('imageId, 'sizes, 'rotate ? "normal") { (imageId,
sizesStr, rotateStr) =>
uploadedFile("image") {
case (meta, file) => {
complete {
// do something with file, sizes, rotate ...
}
}
}
}
}
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