We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox Sync error

  • 3 svar
  • 6 har dette problemet
  • 8 views
  • Siste svar av cor-el

more options

So, every time I try to Sync my main PC an error appears: "Sync encountered an error while syncing: Unknown error. Sync will automatically retry this action."

It synced partially, since my bookmarks and passwords appear on my other device.

Error Log: http://pastebin.mozilla.org/8118766

I assume this is the problem?

1419419748268 Sync.Declined DEBUG Handling remote declined: ["adblockplus"] 1419419748268 Sync.Declined DEBUG Handling local declined: ["adblockplus"] 1419419748268 Sync.Declined DEBUG Declined changed? false

Why doesn't adblock sync properly?

So, every time I try to Sync my main PC an error appears: "Sync encountered an error while syncing: Unknown error. Sync will automatically retry this action." It synced partially, since my bookmarks and passwords appear on my other device. Error Log: http://pastebin.mozilla.org/8118766 I assume this is the problem? 1419419748268 Sync.Declined DEBUG Handling remote declined: ["adblockplus"] 1419419748268 Sync.Declined DEBUG Handling local declined: ["adblockplus"] 1419419748268 Sync.Declined DEBUG Declined changed? false Why doesn't adblock sync properly?

All Replies (3)

more options

hello, thanks for sharing your error logs - it looks like a bad entry in your history items is causing the error:

1419419747778   Sync.Status        DEBUG   Status for engine history: error.engine.reason.unknown_fail
1419419747778   Sync.Status        DEBUG   Status.service: success.status_ok => error.sync.failed_partial
1419419747778   Sync.ErrorHandler  DEBUG     history failed: database disk image is malformed No traceback available

if you don't depend on your history being synced, i'd recommend disabling it in the firefox menu > options > sync...

more options

Well, it worked. Thank you. I've set history syncing off for now, but is there any other solution that doesn't involve turning it off? I don't "depend" on it, but I'd rather retain it if possible.

more options