Dive Log Missing and Unaccessible

Jason Mitchell

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Dec 4, 2016, 9:19:15 PM12/4/16

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I am using Subsurface 4.5.6 on Windows 10. I recently went to add dives to my log and I received the error "failed to parse" and my entire dive log is not found. I'm a relatively new user, so this may be something relatively simple to fix. I'm a little concerned that I have just lost my last 30 or 40 dives though. Please help!

Jason

Dirk Hohndel

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Dec 4, 2016, 9:51:45 PM12/4/16

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Is this just on local disk or stored in the Subsurface cloud storage?

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From: Jason Mitchell
Sent: Sun Dec 04 18:19:14 PST 2016
To: Subsurface Divelog
Subject: Dive Log Missing and Unaccessible

Jason Mitchell

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Dec 5, 2016, 12:31:36 AM12/5/16

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It is on the local disk. I don't believe I have ever set up any type of cloud for subsurface.

Jason Mitchell

PhD Student - Ethnomusicology

The Florida State University

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Dirk Hohndel

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Dec 5, 2016, 8:36:38 AM12/5/16

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Can you send me the XML file? I'm curious what got broken...

/D

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From: Jason Mitchell
Sent: Sun Dec 04 21:31:35 PST 2016
To: subsurfac...@googlegroups.com
Subject: Re: Dive Log Missing and Unaccessible

Robert C. Helling

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Dec 5, 2016, 8:39:09 AM12/5/16

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Am Montag, 5. Dezember 2016 14:36:38 UTC+1 schrieb Dirk:

Can you send me the XML file? I'm curious what got broken...

There should also be a backup file with the same file name but extension .bak. You might be able to recover most of your log from there.

Best

Robert

Jason Mitchell

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Dec 6, 2016, 9:17:10 PM12/6/16

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Pardon my ignorance here, but I'm not finding my .xml file or the .bak? I'm looking in the program folder for the software but don't find it. Where would the be default save location for the data?

Jason Mitchell

PhD Student - Ethnomusicology

The Florida State University

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Tomaz Canabrava

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Dec 7, 2016, 5:10:40 AM12/7/16

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Jason,

On Wed, Dec 7, 2016 at 3:17 AM, Jason Mitchell <mitchell.j...@gmail.com> wrote:

Pardon my ignorance here, but I'm not finding my .xml file or the .bak? I'm looking in the program folder for the software but don't find it. Where would the be default save location for the data?

Jason Mitchell
PhD Student - Ethnomusicology
The Florida State University

On Mon, Dec 5, 2016 at 8:39 AM, 'Robert C. Helling' via Subsurface Divelog <subsurface-divelog@googlegroups.com> wrote:

Am Montag, 5. Dezember 2016 14:36:38 UTC+1 schrieb Dirk:
Can you send me the XML file? I'm curious what got broken...

There should also be a backup file with the same file name but extension .bak. You might be able to recover most of your log from there.

Shouldn't be on the application folder.

Can you look into preferences, there's the default folder there, in an option.

if it's not there, it should be in your home folder.

Best
Robert

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Jason Mitchell

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Dec 8, 2016, 11:19:23 AM12/8/16

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Found it. Sorry. Here is the .xml file.

Jason Mitchell

PhD Student - Ethnomusicology

The Florida State University

Jason,

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Jason.xml

Robert C. Helling

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Dec 8, 2016, 11:47:32 AM12/8/16

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Am Donnerstag, 8. Dezember 2016 17:19:23 UTC+1 schrieb Jason Mitchell:

Found it. Sorry. Here is the .xml file.

No surprise, Subsurface cannot parse this file: It only contains a long list of zero bytes. I have no idea how that came about.

The bad news is: there is no information left to recover in this file.

Best

Robert

Linus Torvalds

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Dec 8, 2016, 1:26:28 PM12/8/16

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On Thu, Dec 8, 2016 at 8:47 AM, 'Robert C. Helling' via Subsurface
Divelog <subsurfac...@googlegroups.com> wrote:
>
> No surprise, Subsurface cannot parse this file: It only contains a long list
> of zero bytes. I have no idea how that came about.

Almost certainly filesystem corruption after unclean shutdown. Most
"robust" filesystems aren't actually going to save your data, they are
just going to recover their own metadata so that there is no internal
FS corruption.

We could try to be better about things, and write the file to a
temporary file, then do "fsync()", then move the temporary to the
final location. But what we do instead is to just save the previous
version.

Jason - did you find a "Jason.bak" file or something like that? Save
that away, and then copy that over the corrupted Jason.xml file and
you should have your old data.

Linus

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