[Bug] Anthropic API Error: Repeated 503 Upstream Connection Resets - FIX YOUR ***

Resolved 💬 9 comments Opened Sep 3, 2025 by brandontan Closed Sep 7, 2025

Bug Description
-rwxr-xr-x 1 root root 21911 Sep 3 09:25 /var/www/dashboard/sales-ops/index.html.backup-20250903-092539
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 5 seconds… (attempt 4/10)
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 8 seconds… (attempt 5/10)
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 20 seconds… (attempt 6/10)
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 35 seconds… (attempt 7/10)
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 39 seconds… (attempt 8/10)
⎿ API Error (503 upstream connect error or disconnect/reset before headers. reset reason: overflow) · Retrying in 33 seconds… (attempt 9/10)

  • getting this quite often.. not cool

Environment Info

  • Platform: darwin
  • Terminal: WarpTerminal
  • Version: 1.0.100
  • Feedback ID: b612fda4-1858-41b6-a99d-5290863bffb7

Errors

[{"error":"AxiosError: Request failed with status code 503\n    at fq (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:673:1077)\n    at IncomingMessage.F0 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:674:9955)\n    at IncomingMessage.emit (node:events:519:35)\n    at IncomingMessage.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1701:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at w21.request (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:676:2088)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async H01 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2472:2750)\n    at async Promise.all (index 0)\n    at async F (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:3076:505)","timestamp":"2025-09-03T01:28:00.057Z"}]

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