GitKraken推送报错：SSH无法写入数据，求助排查原因

Hey there, let’s work through this SSH error you’re hitting in GitKraken. Since your pushes worked fine before merging upstream updates, the issue is likely tied to either post-merge repository state, SSH configuration glitches, or temporary network hiccups. Here’s a step-by-step breakdown to fix it:

1. Verify Your SSH Connection & Authentication #

First, rule out SSH auth issues—this is the most common culprit for "could not write data" errors:

• Open GitKraken’s Preferences > SSH and double-check that you’ve selected the correct SSH key (the same one linked to your Git account). If you’re using a passphrase-protected key, ensure GitKraken has access to it (you might need to re-enter the passphrase).
• Test the SSH connection directly from your terminal to confirm it’s not a system-wide issue:

  ssh -T git@github.com  # Replace with your Git host's SSH URL if not GitHub
  

  If this throws an error (like permission denied), you’ll need to fix your SSH key setup first (e.g., re-add the key to your Git account, regenerate a new key if the old one is corrupted).

2. Check for Hidden Repository Corruption or Merge Issues #

Merging upstream changes can sometimes leave behind subtle repository inconsistencies that break pushes:

• Run a repository integrity check from your terminal:

  git fsck --full
  

  This will scan for corrupted objects or missing references. If it finds issues, follow the on-screen prompts to repair them (or re-clone your fork as a last resort if repairs fail).
• Try re-performing the upstream merge to ensure there were no silent failures:

  git fetch upstream
  git checkout your-branch-name
  git merge upstream/main  # Replace "main" with your upstream branch name
  

  Resolve any new conflicts if they pop up, commit the merge, then try pushing again.

3. Fix GitKraken-Specific Glitches #

GitKraken’s cache or internal state can sometimes get stuck after merges:

• Clear GitKraken’s cache: Go to Preferences > General > Clear Cache, then restart the app. This wipes temporary data that might be causing conflicts.
• Try pushing from the terminal: If git push origin your-branch-name works in the terminal but fails in GitKraken, the issue is with GitKraken’s SSH integration. Try updating GitKraken to the latest version, or reset its SSH settings by re-selecting your key in Preferences > SSH.

4. Rule Out Network Restrictions #

Post-merge pushes might involve larger data transfers, which can trigger network blocks:

• Switch to a different network (e.g., from a corporate VPN to a personal hotspot) to see if a firewall or proxy is intercepting SSH traffic.
• Check GitKraken’s Preferences > Network to ensure proxy settings are correct (if you use a proxy). Try disabling the proxy temporarily to test the push.

Start with the SSH connection test first—it’s the quickest way to narrow down the problem. Let me know if any of these steps resolve your issue!

内容的提问来源于stack exchange，提问作者lewisnewson