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OL-1229 — No Kerberos ticket for the proxy

What happened

negotiate (Kerberos/SPNEGO) was selected for proxy auth, but no usable ticket could be minted: no Kerberos credential cache, an expired TGT, or the proxy's SPN not resolving from this host. Distinct from OL-1222/ERR_PROXY_AUTH_FAILED — the proxy was never even offered a token to accept or reject. The fix is host-side: run kinit, or confirm the machine is domain-joined so Windows can obtain a ticket automatically.

What to do

Run kinit, or check that the machine is joined to the domain, then run openlatch system proxy test.