OAuth token refresh uses HTTP GET instead of CONNECT tunnel — breaks forward proxy environments
증상
- I have searched existing issues and this hasn’t been reported yet
원인
Authentication credential mismatch, expiry, or permission scope gap between the requesting agent and the target API.
해결법
Adding api.anthropic.com to NO_PROXY bypasses the proxy for OAuth calls:
environment:
NO_PROXY: localhost,127.0.0.1,api.anthropic.com
This works but is undesirable in security-sensitive environments where all traffic must be auditable through the proxy.
예상 토큰 절약
이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰
출처
https://github.com/anthropics/claude-code/issues/33642
Source: https://github.com/anthropics/claude-code/issues/33642
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