In Java 11 HttpClient how to solve restricted header name: Date

Question

The following java 11 code:

HttpRequest request = HttpRequest.newBuilder()
            .uri(uri)
            .header("Digest", digest)
            .header("Date", date)  
            .build();

gives the following error:

Exception in thread "main" java.lang.IllegalArgumentException: restricted header name: "Date"

The problem is that the digest is based on the date, so I cannot simply rely on the http client date, because that will make the digest invalid. I need a way to either set the Date header, or to retrieve the Date header and then set the digest thereafter. Neither seems possible with standard java 11.

In the example both digest and date are strings, so that’s not the issue. — user1120821, Dec 30 '18 at 16:25

Naman · Accepted Answer · 2018-12-30T16:29:35.227

7

Bug#JDK-8213189

This is a bug registered in current JDK's http-client implementation where Date is categorized as a restricted header as well.

In JDK/12, there would be a provision for other such restricted headers to be allowed using the attribute:

-jdk.httpclient.allowRestrictedHeaders

edited Dec 30 '18 at 16:29

answered Dec 30 '18 at 16:23

Naman

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According to this it is fixed in version 12. Oh well, since I already skipped version 9 and 10 I might as well skip 11! – user1120821 Dec 30 '18 at 16:28
But JDK 12 is not a LTS version. – Yue Gu Mar 30 '22 at 02:19

In Java 11 HttpClient how to solve restricted header name: Date

1 Answers1

Bug#JDK-8213189