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  1. JDK
  2. JDK-8287589

HTTP/2 client doesn't support prior knowledge

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    • Icon: Enhancement Enhancement
    • Resolution: Unresolved
    • Icon: P4 P4
    • None
    • 17.0.1
    • core-libs

    • os: Ubuntu 18.04.6 LTS

      jdk: 17.0.1-open

      server: Helidon 3.x prototype

    • generic
    • generic

      It is clearly stated in the JEP 110 that HttpClient:

      Must be able to negotiate an upgrade from 1.1 to 2 (or not), **or select 2 from the start**.

      HttpClient however seems to do upgrade every time and there is no documented way how to force it to HTTP/2 prior knowledge.

        1. httpClientVsCurl.txt
          2 kB

            michaelm Michael McMahon
            dkec Daniel Kec
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              Created:
              Updated: