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Sync encountered an error while syncing: Unknown error???

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I have done all the procedures outlined to make sync work. I am still getting this error message. Like another user, mine started after the last upgrade. Does anyone have a fix for this? Thanks all for reading and any helpful advice. (Disable sync is NOT helpful.)

I have done all the procedures outlined to make sync work. I am still getting this error message. Like another user, mine started after the last upgrade. Does anyone have a fix for this? Thanks all for reading and any helpful advice. (Disable sync is NOT helpful.)

Chosen solution

thanks, according to the log, sync is failing because there's one malformed bookmark which apparently breaks things. i'm not sure how it would be possible to identify the malformed one. one thing you could try is to go to the bookmarks library (ctrl+shift+b) > import & backup and there export your bookmarks as .html file and backup as .json once. you could then try to reimport from those backup sources again and see if this can address the issue...

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More Information

philipp
  • Top 25 Contributor
  • Moderator
5304 solutions 23419 answers

hello, when you type about:sync-log into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you!

hello, when you type '''about:sync-log''' into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you!

Question owner

philipp said

hello, when you type about:sync-log into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you!

http://pastebin.mozilla.org/8787289 Here you go. Thanks for the reply.

''philipp [[#answer-691413|said]]'' <blockquote> hello, when you type '''about:sync-log''' into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you! </blockquote> http://pastebin.mozilla.org/8787289 Here you go. Thanks for the reply.

Question owner

philipp said

hello, when you type about:sync-log into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you!

http://pastebin.mozilla.org/8787350

''philipp [[#answer-691413|said]]'' <blockquote> hello, when you type '''about:sync-log''' into the address bar and open the latest one or two error logs, can you copy their contents and put them into http://pastebin.mozilla.org/ or a similar service and paste a link here on the forum? this would be very helpful in assessing the problem. thank you! </blockquote> http://pastebin.mozilla.org/8787350
philipp
  • Top 25 Contributor
  • Moderator
5304 solutions 23419 answers

Chosen Solution

thanks, according to the log, sync is failing because there's one malformed bookmark which apparently breaks things. i'm not sure how it would be possible to identify the malformed one. one thing you could try is to go to the bookmarks library (ctrl+shift+b) > import & backup and there export your bookmarks as .html file and backup as .json once. you could then try to reimport from those backup sources again and see if this can address the issue...

thanks, according to the log, sync is failing because there's one malformed bookmark which apparently breaks things. i'm not sure how it would be possible to identify the malformed one. one thing you could try is to go to the ''bookmarks library (ctrl+shift+b) > import & backup '' and there export your bookmarks as .html file and backup as .json once. you could then try to reimport from those backup sources again and see if this can address the issue...
cor-el
  • Top 10 Contributor
  • Moderator
17468 solutions 157849 answers
You can check for problems with the <b>places.sqlite</b> database file in the Firefox profile folder. *http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox *https://support.mozilla.org/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file *Places Maintenance: https://addons.mozilla.org/firefox/addon/places-maintenance/
qobar 0 solutions 2 answers

Lifesaver said

I have done all the procedures outlined to make sync work. I am still getting this error message. Like another user, mine started after the last upgrade. Does anyone have a fix for this? Thanks all for reading and any helpful advice. (Disable sync is NOT helpful.)

Here's my sync-log: https://pastebin.mozilla.org/8838837

''Lifesaver [[#question-1047148|said]]'' <blockquote> I have done all the procedures outlined to make sync work. I am still getting this error message. Like another user, mine started after the last upgrade. Does anyone have a fix for this? Thanks all for reading and any helpful advice. (Disable sync is NOT helpful.) </blockquote> Here's my sync-log: [https://pastebin.mozilla.org/8838837 https://pastebin.mozilla.org/8838837]
norfindel 1 solutions 6 answers

I think i have the same problem. Here is my sync log: https://pastebin.mozilla.org/8840500

Syncing only passwords is ok. Bookmarks seem to be the problem. I see a malformed_uri error in the sync log.

I think i have the same problem. Here is my sync log: https://pastebin.mozilla.org/8840500 Syncing only passwords is ok. Bookmarks seem to be the problem. I see a malformed_uri error in the sync log.

Modified by norfindel

norfindel 1 solutions 6 answers

This seems to have fixed it:

  • Backed up all bookmarks
  • Disabled bookmark sync
  • Deleted all bookmarks
  • Enabled bookmark sync, and forced it to sync (and got no error)
  • Restored bookmaks from a few days ago, before they broke
  • Forced to sync again, and got no error

My bookmarks seemed to broke at the same time i "refreshed" my firefox to solve a previous issue.

This seems to have fixed it: * Backed up all bookmarks * Disabled bookmark sync * Deleted all bookmarks * Enabled bookmark sync, and forced it to sync (and got no error) * Restored bookmaks from a few days ago, before they broke * Forced to sync again, and got no error My bookmarks seemed to broke at the same time i "refreshed" my firefox to solve a previous issue.