Calibre keeps saying database of books is corrupted. Media.xml file

seajewel · 06-26-2008, 05:56 AM

I use the Unicode Patch. I've had huge problems with having it work sometimes and not having it work sometimes. Sometimes when I reset and reinstall the hack it works fine with calibre. I had finally gotten it to be perfect, when I had to go mess with it again because I had read that battery life is poor if you use the memory of SD card. So I tried saving things to the internal memory of 505 from Calibre.

That messed things up. I started getting "database of books is corrupted." Try the following: unplug, wait for it to finish regenerating the database .. or delete media.xml

I eventually had to reset and try again. In the meanwhile I used chkdsk g: /f on both my sd card (with appropriate drive letter) and sony reader drive to clear some corrupted files. Now it says no problem.

I am however, still having trouble with calibre. I can save things to my SD card if I do it by using save to disk options and my reader functions fine. But things like collections don't work. I want to be able to use calibre directly.

I've repeated the process multiple times in hopes that this time it will be fixed. I'm at my wit's end and very upset at myself for having messed with something that had been working previously. Any advice? Please! Thank you.

ETA: I wanted to add that I had this problem previously. Previously what seemed to fix it was getting rid of a new folder under C:\Program Files\Sony\ that I had created to store Old Fonts.

I have not changed anything since the new problem. I even went back and restored the old fonts before applying the Unicode Patch and then changing it to the new fonts. Or without doing such a thing. No go.

seajewel · 06-26-2008, 12:33 PM

Maybe it just needed time. There had been a media.xml file that I would try deleting and etc. before. Last night I just let it go and went to sleep finally, and this morning it connects to Calibre fine. I guess it just takes a long time to 'Regenerate" the media.xml file or the database. Sorry about the noob questions!

**EDITED TO ADD: How would I know when the media.xml file has been regenerated? Is it just trial and error, plug it in, turn on calibre, if it errors, rinse and repeat? Is there some way of knowing? It isn't just when there is a media.xml file from what I've noticed.

NOW that it works, I of course want to fiddle with it again. Do you think if time solves this problem, that if I saved things to the device itself instead of using an SD card at all (To save battery life) the reader would be okay? I'd been using SD card because of what it says in the Unicode Font patch first page, but I'm confused now as to whether there is a real issue or whether it just takes time for calibre and the Reader to set itself aright. Or whether that is a totally different issue altogether.

seajewel · 06-28-2008, 03:17 AM

in case anyone else has this problem.. i noticed that media.xml only creates after i turn ebook library on (with sony reader connected) once i delete it per calibre's instructions.

siulayhumga · 07-07-2009, 08:19 PM

Anyone have any update on this? I ran into the same problem and finally gave up on Calibre.

06-26-2008, 05:56 AM	#1
seajewel Groupie Posts: 187 Karma: 509 Join Date: Jun 2008 Device: Sony Reader PRS-505	Calibre keeps saying database of books is corrupted. Media.xml file I use the Unicode Patch. I've had huge problems with having it work sometimes and not having it work sometimes. Sometimes when I reset and reinstall the hack it works fine with calibre. I had finally gotten it to be perfect, when I had to go mess with it again because I had read that battery life is poor if you use the memory of SD card. So I tried saving things to the internal memory of 505 from Calibre. That messed things up. I started getting "database of books is corrupted." Try the following: unplug, wait for it to finish regenerating the database .. or delete media.xml I eventually had to reset and try again. In the meanwhile I used chkdsk g: /f on both my sd card (with appropriate drive letter) and sony reader drive to clear some corrupted files. Now it says no problem. I am however, still having trouble with calibre. I can save things to my SD card if I do it by using save to disk options and my reader functions fine. But things like collections don't work. I want to be able to use calibre directly. I've repeated the process multiple times in hopes that this time it will be fixed. I'm at my wit's end and very upset at myself for having messed with something that had been working previously. Any advice? Please! Thank you. ETA: I wanted to add that I had this problem previously. Previously what seemed to fix it was getting rid of a new folder under C:\Program Files\Sony\ that I had created to store Old Fonts. I have not changed anything since the new problem. I even went back and restored the old fonts before applying the Unicode Patch and then changing it to the new fonts. Or without doing such a thing. No go. Last edited by seajewel; 06-26-2008 at 06:09 AM.

06-26-2008, 12:33 PM	#2
seajewel Groupie Posts: 187 Karma: 509 Join Date: Jun 2008 Device: Sony Reader PRS-505	Maybe it just needed time. There had been a media.xml file that I would try deleting and etc. before. Last night I just let it go and went to sleep finally, and this morning it connects to Calibre fine. I guess it just takes a long time to 'Regenerate" the media.xml file or the database. Sorry about the noob questions! *EDITED TO ADD: How would I know when the media.xml file has been regenerated? Is it just trial and error, plug it in, turn on calibre, if it errors, rinse and repeat? Is there some way of knowing? It isn't just when there is a media.xml file from what I've noticed. NOW that it works, I of course want to fiddle with it again. Do you think if time solves this problem, that if I saved things to the device itself instead of using an SD card at all (To save battery life) the reader would be okay? I'd been using SD card because of what it says in the Unicode Font patch first page, but I'm confused now as to whether there is a real issue or whether it just takes time for calibre and the Reader to set itself aright. Or whether that is a totally different issue altogether. Last edited by seajewel; 06-26-2008 at 07:52 PM.*

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06-28-2008, 03:17 AM	#3
seajewel Groupie Posts: 187 Karma: 509 Join Date: Jun 2008 Device: Sony Reader PRS-505	in case anyone else has this problem.. i noticed that media.xml only creates after i turn ebook library on (with sony reader connected) once i delete it per calibre's instructions.

07-07-2009, 08:19 PM	#4
siulayhumga Enthusiast Posts: 44 Karma: 12 Join Date: Jun 2009 Device: Sony PRS 505	Anyone have any update on this? I ran into the same problem and finally gave up on Calibre.