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FCPX Library gets corrupted after export

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Juan Luis Lopez Fons
FCPX Library gets corrupted after export
on Feb 7, 2016 at 10:09:29 pm

Specs first

Late 2013 Mac Pro
OS 10.11.3
3Ghz 8-Core Xeon E5
32GB Ram
Dual AMD FirePro D700
7200 rpm hard drives hooked up via thunderbolt to Mac Pro (Rocketstor 5212)
FCPX 10.2.3

Exporting several chunks of an an hour and 45 minute interview shot 5 years ago on Sony Z1u at 1080i. The video was imported via a tape deck and 3 hour and 45min clips/angles were assembled into a multicam. I noticed that if I export a high number of chunks, say 8, and then I attempt to do anything afterwards on my project (such as make a cut, add a marker, even try to quit the app) FCPX hangs. After a while of spinning beach ball, I force quit the app and open fcpx again. This is when the problems start.

Invariably, the library gets messed up. The library takes 3 times as long to open and whenever I try to make a cut, add a marker, or open another project, fcpx hangs again and I need to force quit.

Bear in mind, the library works excellent before export. After the export, I start getting these problems.

Things I have tried:

Deleted preferences, plist, application support, motion templates, etc
Optimized media of HDV clips to try to correct a corrupted file issue
Used digital rebellion's Pro Maintenance tools. Corrupt Clip Finder throws back no errors, used Quckfix and Housekeeper. Problems remain. Project Repair does throw back a message saying "the library is unfixable and corrupted".
Uninstalled and re-installed FCPX
Spoke to apple care specialist for 2 hours, no solution.

NOTE: This also happened to me on 3 more libraries. On those I was working with 5D2, 5D3, C300 and Sony EX3 footage. Got similar problems as mentioned above.


Anyone got any ideas on what's causing the corruption? Is it a bug? Anyone else experiencing this? Any advice is welcomed. Thanks

Juan Luis


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Bret Williams
Re: FCPX Library gets corrupted after export
on Feb 7, 2016 at 11:25:14 pm

Why not just consolidate to a new project? Worth a try and it's pretty much instantaneous.


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 7, 2016 at 11:44:34 pm

Hey Bret, thanks for responding. Do you mean to open the corrupt library, drag the projects I need to a new library and then click the consolidate command? Two things I think may be a downside though I am willing to do this if it fixes the issue:

1. Wouldn't my storage space double in size? I currently have a referenced library, not a managed one.
2. When I try to drag and drop the needed projects to a new library, the corrupt library hangs and can't move/copy the project to the new location. Any work around that? XML Import screws up all of my color corrections.

Thanks

Juan


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Bret Williams
Re: FCPX Library gets corrupted after export
on Feb 8, 2016 at 12:00:51 am

I was thinking more of highlighting the project and doing a file--copy to new project command. I guess it doesn't matter if you consolidate or not. And fwiw, nope, it will not double the data size, even when consolidated, as long as it's on the same drive. X uses hard links nowadays. Multiple individual files (NOT aliases) can address the same data. Even if you trash the original file, the data isn't deleted until the final instance of the hard link is deleted. Hard links are indescernable to the user. They can't be created in the finder. Only by X. You can test it out by duplicating/consolidating a 500gig project to the same drive in X. It takes mere seconds and the available hard drive space remains the same. Pretty cool.


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 8, 2016 at 12:47:23 am

Awesome, thanks for the details. I will test your suggestion and let you know what I find. Gracias

Juan Luis


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 10, 2016 at 1:58:11 am

Hello Brett, an update: I opened the damaged library, selected the project I wanted to save, clicked on File, copy to a NEW library and after I selected OK, I got spinning beach ball and the app hanged. I eventually force quit the app.

What do you think the problem could be? I am mystified. Thanks

Juan


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Jeremy Garchow
Re: FCPX Library gets corrupted after export
on Feb 8, 2016 at 4:12:17 am

[Juan Luis Lopez Fons] "NOTE: This also happened to me on 3 more libraries. On those I was working with 5D2, 5D3, C300 and Sony EX3 footage. Got similar problems as mentioned above."

I have never seen or heard of anything even remotely close to this problem.

My advice would be to back up your hard drives and nuke your computer from orbit. It's the only way to be sure.







What I mean is, reformat your hard drive and reinstall from the ground up.


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 8, 2016 at 6:03:48 pm

Haha, well if Ripley suggested it, I guess I should do it then :) Thanks for the suggestion though man... it is an option I may do once I finish this deadline.

UPDATE: I left another HDV project exporting overnight and before I quit the app (Which had been one of the sources of corruption in the past), I decided to purge the RAM from my computer (via an app called Memory Monitor) and when I quit the app, it closed fine and after I reopened FCPX, no signs of corruption.

Is it possible that this was a RAM issue?

Juan


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Jeremy Garchow
Re: FCPX Library gets corrupted after export
on Feb 9, 2016 at 1:25:01 am

I guess it could be? Is your RAM apple RAM or third party?


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 10, 2016 at 1:55:53 am

It's actually apple ram. Mmm, the plot thickens.

Juan


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Jeremy Garchow
Re: FCPX Library gets corrupted after export
on Feb 10, 2016 at 2:53:29 am

The it should be easy to swap for new RAM. Do you have an apple store near you, or an authorized reseller?


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 10, 2016 at 3:10:20 am

I can get some from crucial. You think apple may replace it if I inform them of all of these issues?


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Jeremy Garchow
Re: FCPX Library gets corrupted after export
on Feb 10, 2016 at 4:22:04 am

I think it's worth looking in to and alerting AppleCare about it at the very least.


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Juan Luis Lopez Fons
Re: FCPX Library gets corrupted after export
on Feb 16, 2016 at 3:43:44 am

Just wanted to update all of you that helped me out. Spoke on the phone with Apple Care FCPX specialist and after creating optimized media of my clips, generating a new user, reinstalling the OS and creating a partition and doing a new install of the OS, every time I leave a series of videos exporting for say more than an hour (without moving the mouse or doing anything active on the computer), the library gets corrupted after completion of the exports.

I am going to send this report to the Apple Care specialist and report back here if there are any news. Thanks so much for your help.

Cheers,

Juan Luis


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