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  1. Minecraft: Java Edition
  2. MC-265831

Internal Exception error instead of "You are not white-listed on this server" if not whitelisted and try joining a server

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 23w41a
    • None
    • Unconfirmed
    • (Unassigned)

      If you try to join a 1.20.2 server where you are not whitelisted, you get message "You are not white-listed on this server!"

      On 23w40a-41a, that message doesn't appear and instead

      Internal Exception: io.netty.handler.codec.DecoderException: java.io.IOException: Packet login/0 (aeh) was larger
      than I expected, found 43 bytes extra whilst reading packet 0

      is displayed.

      Reproduction Steps

      1. Start a 23w41a server (after agreeing to EULA)
      2. Stop the server and change server.properties whitelist value to true and start it again
      3. Connect to the server

      You are shown an Internal Exception message.

      "You are not white-listed on this server!" does still show up in the server log.

        1. 1.20.2.png
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          mattp_12
        2. 23w41a.png
          104 kB
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        3. whitelist_login.mp4
          5.94 MB
          mattp_12

            Unassigned Unassigned
            mattp_12 mattp_12
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              Created:
              Updated:
              Resolved: