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  1. Minecraft: Java Edition
  2. MC-253289

"Invalid signature for profile public key" when connecting to multiplayer world

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.19
    • None
    • Unconfirmed
    • (Unassigned)

      This bug occurs on 1.19 as well as 22w24a (latest snapshot).

      I run a server in my home network. From one laptop, I am unable to log in from one account. I am able to log into the server from other accounts on the same laptop. I am able to log into the server from the failing account on other machines. When I try to log in, the client receives a "Invalid signature for profile public key" error and tells me to restart the program.

      I tried:

        - Restarting the launcher.
        - Logging out from the account (in the Launcher) and logging back in.
        - Deleting this Windows account from the machine, and recreating it.
        - Rebooting the machine.
        - Updating Windows.
        - Restarting the server.

      The server has a long Java exception trace, boiling down to an InsecurePublicKeyException from a channelRead.

      It seems like my client somehow has a bad certificate cached. We ran into this problem before but it seemed to clear away, now it's persistent. Is there some way to inspect the certificate so I can see what's going on?

      I want to sort this out because it's my son's laptop and my son's account.

            Unassigned Unassigned
            CarmineOctotpus CarmineOctotpus
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              Created:
              Updated:
              Resolved: