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claude-code - 💡(How to fix) Fix [FEATURE] Allow faster retry when network connectivity is restored during backoff [1 comments, 1 participants]

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anthropics/claude-code#46135•Fetched 2026-04-11 06:28:09
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Error Message

  1. Claude Code hits a network error and starts backing off

Root Cause

When Claude Code encounters a network or API failure, it retries with exponential backoff (up to 10 retries). This is reasonable during an outage, but frustrating when connectivity is restored before the next retry fires. For example, if you lose internet for 30 seconds and it comes back, you may still have to wait 30+ seconds for the next retry because the backoff interval has grown. There's no way to say "I'm back online, try now."

Fix Action

Fix / Workaround

  • OS-level network change events (macOS NWPathMonitor, Linux netlink sockets) could provide instant detection without polling, but require platform-specific code.
  • A shorter cap on the max backoff interval would reduce the worst case but wouldn't eliminate the wait.
  • Currently the only workaround is to wait or restart the session.
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing requests and this feature hasn't been requested yet
  • This is a single feature request (not multiple features)

Problem Statement

When Claude Code encounters a network or API failure, it retries with exponential backoff (up to 10 retries). This is reasonable during an outage, but frustrating when connectivity is restored before the next retry fires. For example, if you lose internet for 30 seconds and it comes back, you may still have to wait 30+ seconds for the next retry because the backoff interval has grown. There's no way to say "I'm back online, try now."

Proposed Solution

Detect restored connectivity during backoff and retry immediately. The simplest cross-platform approach: during the backoff wait, periodically (e.g., every 2-3s) run a dns.resolve('api.anthropic.com'). If it succeeds, trigger the retry immediately instead of waiting for the full interval.

Alternatively or additionally, a keyboard shortcut to manually trigger an immediate retry during backoff would be useful and simple to implement.

Alternative Solutions

  • OS-level network change events (macOS NWPathMonitor, Linux netlink sockets) could provide instant detection without polling, but require platform-specific code.
  • A shorter cap on the max backoff interval would reduce the worst case but wouldn't eliminate the wait.
  • Currently the only workaround is to wait or restart the session.

Priority

Low - Nice to have

Feature Category

Performance and speed

Use Case Example

  1. You're in the middle of a Claude Code session
  2. Your Wi-Fi drops for 20 seconds
  3. Claude Code hits a network error and starts backing off
  4. Wi-Fi reconnects
  5. You're staring at a "retrying in 45s..." countdown with no way to skip it

Additional Context

No response

extent analysis

TL;DR

Implement a periodic DNS resolution check during backoff to detect restored connectivity and trigger an immediate retry.

Guidance

  • Detecting restored connectivity during backoff can be achieved by periodically running a DNS resolution check (e.g., dns.resolve('api.anthropic.com')) every 2-3 seconds.
  • If the DNS resolution check succeeds, trigger the retry immediately instead of waiting for the full backoff interval.
  • Consider implementing a keyboard shortcut to manually trigger an immediate retry during backoff as an alternative or additional solution.
  • Evaluate the trade-offs of using OS-level network change events (e.g., macOS NWPathMonitor, Linux netlink sockets) for instant detection, which may require platform-specific code.

Example

const dns = require('dns');

// During backoff wait
setInterval(() => {
  dns.resolve('api.anthropic.com', (err) => {
    if (!err) {
      // Trigger retry immediately
      retryNow();
    }
  });
}, 2000); // 2 seconds

Notes

The proposed solution focuses on detecting restored connectivity during backoff. However, the implementation details may vary depending on the specific requirements and constraints of the Claude Code application.

Recommendation

Apply workaround: Implement a periodic DNS resolution check during backoff to detect restored connectivity and trigger an immediate retry, as it provides a reasonable balance between simplicity and effectiveness.

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#api#parallel task#integration issue#index setup#retrieval issue

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