Default application/json character set with entity(as[String]) is not UTF8

[Otto Chrons]

I have a simple route that takes JSON string as POST request entity:

(path("createDistricts") & post & requestEntityPresent & parameters('projectId)) { (projectId) =>

          entity(as[String]) { districtJson =>

            ctx =>

Now, if I call it with the following curl statement, the JSON string is not decoded as UTF8 (but probably as ISO-8859):

curl -H "Content-Type: application/json" -X POST -d @districts.json "http://localhost:9099/api/createDistricts?projectId=Test"

But forcing the character set to be UTF-8, it works ok.

curl -H "Content-Type: application/json; charset=UTF-8" -X POST -d @districts.json "http://localhost:9099/api/createDistricts?projectId=Test"

Shouldn't the default charset for "application/json" be UTF-8 also when decoding the entity? I recall there was a similar issue with JSON encoding that got fixed.

I'm using Spray 1.3.1, Scala 2.10.3 and Akka 2.3.0

- Otto

[Mathias Doenitz]

Otto,

what JSON support are you using?
The SprayJsonSupport appears to behave exactly as you’d like it to:
https://github.com/spray/spray/blob/master/spray-httpx/src/main/scala/spray/httpx/SprayJsonSupport.scala#L36

Can you provide us with a SSCCE (http://sscce.org/) demonstrating the problem?

Cheers,
Mathias

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mat...@spray.io
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[Otto Chrons]

Hi,

We're using Jackson (as the project was originally in Java, later rewritten in Scala) and doing the deserialization "manually" after Spray has already decoded the string. Perhaps the solution would be to write an unmarshaller for Jackson, similar to what SprayJson has?

- Otto

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[Mathias Doenitz]

Otto,

if you are doing the deserialisation manually then it’s likely that it is in this step that you need to apply the UTF-9 decoding.

Cheers,
Mathias

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