Error on file upload: [CAPRI... - Whats wrong?

Message boards : Number crunching : Error on file upload: [CAPRI... - Whats wrong?

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Message 31809 - Posted: 29 Nov 2006, 11:27:50 UTC

I get the following message then trying to upload finished wu:

29.11.2006 12:24:28|rosetta@home|Error on file upload: [CAPRI_11_V2H2_GLOBAL_DOCKING_1413_4252_0_0] locked by file_upload_handler PID=-1

So, whats wrong?


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Message 31817 - Posted: 29 Nov 2006, 15:34:54 UTC

Hmmm, sounds like same problem Buffalo Bill was having. Look here for additional discussion.
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Message 31879 - Posted: 1 Dec 2006, 0:49:21 UTC - in response to Message 31809.  

I can confirm that we have already collected successfully most of the CAPRI jobs from the first few batches. It does not look like a general problem.
I get the following message then trying to upload finished wu:

29.11.2006 12:24:28|rosetta@home|Error on file upload: [CAPRI_11_V2H2_GLOBAL_DOCKING_1413_4252_0_0] locked by file_upload_handler PID=-1

So, whats wrong?


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Message 32109 - Posted: 5 Dec 2006, 13:48:51 UTC - in response to Message 31809.  

I get the following message then trying to upload finished wu:

29.11.2006 12:24:28|rosetta@home|Error on file upload: [CAPRI_11_V2H2_GLOBAL_DOCKING_1413_4252_0_0] locked by file_upload_handler PID=-1

So, whats wrong?

To make sure only one process is trying to write to the same file, 2 writing to same file can lead to file-corruption, the upload-handler is using a "lock". In case an upload gets interrupted before finished, Upload-server sometimes doesn't get this "lost connection", so keeps the lock until reaches a time-out server-side. While waiting on this time-out, if you tries to upload same file again, you'll get the "locked by file_upload_handler PID=123..."

Not sure on how long the time-out is, but after client does maybe 6-7 backoffs, the old "lock" times-out server-side, and client can finish the upload normally.


So basically, if upload continues after waiting 1 hour, there aren't anything wrong.

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Message boards : Number crunching : Error on file upload: [CAPRI... - Whats wrong?



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