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Old 2011-11-03, 15:50
Mickets Mickets is offline
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Join Date: 2011-05
Posts: 10
Default Synthesis stops at contact 350, and then "server error". How do I access log?


XPeria X8, rooted, Android 2.1, Synthesis Standard, 2.1.10

I'd been using Synthesis for a while, with no problem whatsoever.

This week, my rooted Xperia X8 decided to boot-loop, so I restored via xRecovery a full setting from a previous week. I don't think this is related, but I thought I'd might mention it anyway.

So I had to perform a sync between the phone and the server (Memotoo) to recover some newer contacts that got lost from the phone when I restored the data from the previous week.

When I did the sync with Synthesis, it defaulted to Slow sync (although I had set it to Normal sync), and started taking longer than usual. Then somewhere near contact 350 (out of 448), it just froze. It looked like nothing was happening anymore.

And then an error: "Sync Failed: invalid data from server (wrong URL?)", and "no changes" were made (as it says, although I actually thought that it would have made some changes). And the logs were sent.

I tried over and over again, and this happens near contact 350, sometimes at 370.

Since it takes long, sometimes the screen just turns itself off, or I change to another application to do something else, only to go back to Synthesis and find that it's doing nothing (it's back at the start sync screen, waiting for me to start the sync myself).

  1. What could this error be about
  2. Where do I find the log file? I read in another topic that I must set for it to "keep" the log, and it will copy it to the SD card. Why not an option to just store it there?
  3. Doesn't Synthesis work in the background? Must I have its screen always open to be working?
  4. Synthesis is pretty slow to load. Takes about 20s to load (black screen meanwhile) on my phone. Can this be improved somehow?

Thanks for any help.
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Old 2011-11-03, 16:52
Mickets Mickets is offline
Junior Member
Join Date: 2011-05
Posts: 10
Unhappy Re: Synthesis stops at contact 350, and then "server error". How do I access log?

UPDATE: attempting a sync again, and this time it's stopped at

sent 370/449"
Slow Sync
On the server side (, I checked the latest status and it does show more contacts updated.

I found the log files on the Android "download" folder, and went through them, but couldn't find any indication of why the problem is happening.

It's still stuck (contact sync never finishes successfully, but I'll leave the Synthesis screen on as long as possible and see what happens.

I understand that the log is only generated after a sync. But if the sync never ends... is it generated at all?

Thanks again for any help,

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Old 2011-11-03, 18:42
bfo's Avatar
bfo bfo is offline
Synthesis AG
Join Date: 2006-06
Posts: 261
Default Re: Synthesis stops at contact 350, and then "server error". How do I access log?

Use the mode "keep logs".

The logs are kept within the data of the Synthesis app, even if there is a crash or forced stop.

If you have to stop before the session ends, you can restart the Synthesis app and then switch off all datastores. Sync a session with this setting now.
It will create of course an error, but it will copy the logs of the former session(s) to /sdcard/download/logs as well.
Then you can have a look at them.

Just contact me if you need help for interpreting the data.

Best Regards
Beat Forster, Synthesis AG
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error, server, sync.memotoo, syncml

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