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You have some missing data in your questions such as case classes for the User model, userService class. also better to attach the original function.

Anyways, I will do something as follows:

You should first provide the type, and then the argument. The call should be:

The element is inside iframe.You need to switch it first to access the element.

OK after digging all the comments and suggestion I found a solution, perhaps not the most secure one, but it correct the problem.

Following the link suggested by @RoyMcCrossan (thanks a lot !) stackoverflow.com/q/3621272/519413, I added the [AllowHtml] to the definition in the model, something like this:

To explain it better, the ServiceResponse case class takes a type parameter T, which can be anything. And play-json can only provide JSON formats for standard scala types, for custom types you need to define the JSON formatter.

By default, the session cookie in Play is called "PLAY_SESSION" (configuration play.http.session.cookieName).

So, you would need to use -H "Cookie: PLAY_SESSION=..." with curl.

But note, this won't work with arbitrary data since Play uses JWT and signs the information contained in the session cookie using its crypto secret.

The only thing expected to work is using a session cookie received in a Set-Cookie header from your Play service in another request to the same service (having the same secret).

update after your edit:

When using request.session, you are accessing the session cookie, which is called PLAY_SESSION and the information stored inside it.

But, you are setting a cookie of your own. This is something else.

You can access "normal" cookies with

You tried to parse an object from a JSON document which looked like this:

This doesn't work because mutable.HashMap.get returns an Option[Queue[UUID]], not a Queue[UUID]. You'll need to go under the Option using foreach to update the underlying queue:

Reads.map can do just that, for example, say we want to reverse the value of foo field, then we could call .map(v => v.reverse) on the Reads like so