zed-industries/zed · error · RuntimeError

Failed to install or start judge proxy (exit {result.return_

Error message

Failed to install or start judge proxy (exit {result.return_code}){detail}

What it means

Error "Failed to install or start judge proxy (exit {result.return_code}){detail}" thrown in zed-industries/zed.

Source

Thrown at crates/eval_cli/zed_eval/verifier.py:57

                "ensure-judge-proxy\n"
                "python3 - <<'ZED_PROXY_CHECK_EOF'\n"
                "import os, socket\n"
                "port = int(os.environ.get('ZED_JUDGE_PROXY_PORT', '8089'))\n"
                "with socket.create_connection(('127.0.0.1', port), timeout=5):\n"
                "    pass\n"
                "ZED_PROXY_CHECK_EOF\n"
                "if [ -f /tmp/zed-judge-proxy.log ]; then "
                "tail -2 /tmp/zed-judge-proxy.log; fi\n"
            ),
            user="root",
            env=env,
        )
        if result.return_code != 0:
            output = "\n".join(
                part for part in (result.stdout, result.stderr) if part
            ).strip()
            detail = f": {output}" if output else ""
            raise RuntimeError(
                f"Failed to install or start judge proxy (exit {result.return_code}){detail}"
            )

View on GitHub (pinned to bc538def45)

When it happens

Trigger: Thrown at crates/eval_cli/zed_eval/verifier.py:57 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@bc538def45 (2026-08-16). Data as JSON: /api/errors/da531263a024b21b. Report an issue: GitHub.