Java 11 HttpClient

[pbankhead]

Hi, I've been exploring the use of the JSON api with the new HttpClient in Java 11 and guided by this helpful documentation and the linked Python and Java code.

I haven't succeeded in logging in, and my best guess is that it's related to 'Referer'. When I try this:

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HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(url))
            .header("Content-Type", "application/json")
            .header("X-CSRFToken", this.token)
            .header("Referer", url)
            .POST(HttpRequest.BodyPublishers.ofString(json))
            .build();

it fails with the error

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restricted header name: "Referer"

while skipping that line fails with a 403 Forbidden response.

This earlier topic suggests 'Referer' is essential. Comparable code in Python works for me if Referer is specified, but fails if it isn't; GET requests are also working fine from my Java/Groovy code.

Is there anything I'm clearly doing wrong, some other workaround, or should I be giving up on HttpClient for now?

Thanks,

Pete

[jburel]

Hi Pete
you are ahead of us!
We have not been evaluating Java 11 yet.
We will need a bit of time to investigate the issue.

Cheers
Jmarie

[pbankhead]

Thanks Jmarie! It looks like it should be possible to set the Referer for the Java 11 HttpClient as of 11.0.2 (according to this). In the meantime if I switch back to using HttpsURLConnection it works fine.