Backup Failed

Ok, I will look out for the new version.

Meanwhile, I had a thought..
It could be its running out of memory ?

Maybe update the zip file in chunks, e.g. 1000 files a time ?

It could be, but the zip routine deals with each file individually so it seems unlikely. Especially since it happens when you include any of the plugin directories.

1.6.2 is up, you should see it any time.

Ok, got 1.6.2 installed and activated.

Tried backup with plugins dir included – failed.
Now theres no “Backup Failed” message, backup button is enabled with red cross image next to it and these;

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

Yes, it shows same error twice.

I dont know if you left in by mistake, but this message at bottom of options page has got the word “winton” in it;

WARNING: Only check this if no backup is running. This will delete any file in the archive path that starts with “winton” but is not a zip/log file.

when failed the status.log contained this;
69
Archiving SQL dump…
active
/homepages/35/d30352212/htdocs/winton
2014-03-06 23:32:480

What were the last few lines in the backup log file?

“winton” is the directory you have wordpress installed, it will change in that message for each install.

Internal server error is almost always a missing library of some kind, but for the life of me I can’t see how a directory in the install would cause it.

I had cleaned up from before, so ran it again.
This time I got the normal Backup failed! message and just one of the Internal Server Error.

Here is the last few lines of the log file;

[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/default.html…
[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/new.php…
[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/index.php…
[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/backup…
[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/wp-phpinfo.php…
[2014-03-07 03:02:37] Archiving /homepages/35/d30352212/htdocs/winton/makezip.php…
[2014-03-07 03:02:37] Archiving SQL dump..

and here is the status.log ;

69
Archiving SQL dump…
active
/homepages/35/d30352212/htdocs/winton
2014-03-07 03:02:370

Note: when select the option to clean up the temporary files after this fail, the backup directory structure does not get deleted and neither does the log file, although the message at the top of Options page says different;

CYAN Backup Options

winton.20140307.030147 deleted from the archive directory.

winton.20140307.030147.zip.5V79J2 deleted from the archive directory.

winton.20140307.030148.sql deleted from the archive directory.

Configuration saved!

Directory structure “winton.20140307.030147” is still there and so is the log file “winton.20140307.030147.log” 2Mb in size.

I’ll have to add some more debug info to the log file, I should have something for you to try later today.

just out of interest, I excluded everything except wp-content/plugins, ran the backup and it was successful.

Now I will remove the exclusions one by one and keep trying backup to see where it fails.

Ok, I found the problem !

The webspace for the wordpress site used to contain a joomla site.

Joomla has been ditched in favour of wordpress and the joomla site has been converted to static html pages to display the old site whilst the new one is completed.
Although most all the joomla files have gone, there are some remnants, necessary to make the html pages work.
The one that appears to cauing the problem with the backup is a directory called plugins in the wordpress root.
With this excluded, all of wordpress backs up fine.
With it included, the backup fails.

The root directory structure looks like this;
winton/.metadata
winton/backup
winton/blogs
winton/plugins <== this is the remnant from joomla
winton/tmp
winton/wp-admin
winton/wp-content
winton/wp-includes

That plugins directory looks like this;
winton/plugins
winton/plugins/content
winton/plugins/content/plugin_besps
winton/plugins/content/plugin_besps/besps.css 2k
winton/plugins/content/plugin_besps/besps.js 5k
winton/plugins/content/plugin_besps/besps.png 161

I cannot see anything in there that should cause the backup to fail, there are only 2 subdirs and 3 files, it must be something to do with the directory name.

Just to make sure i’ve included and excluded it several times and run the backup, which fails every time its included.. weird !

The backup is successful every time with that directory excluded, it backs up all of the wordpress site in about 15 secs and the zipfile is 50Mb.

Check the directory permissions, otherwise I don’t know why I would fail.

Also, if there’s nothing sensitive in the directory you could send it to me and I’ll do some testing with it.

The directory and subdirs are 755, the files are 604 (no group).
Maybe thats the problem ?

Theres nothing sensitive in there, I can send you if you want.

Try changing the rights to 755 all the way down and see if that works, if it still fails I’ll get you to send the files to me and take a look.

I renamed the “problem” directory to “jplugins” (/winton/jplugins), excluded that, ran the backup and it failed.

I renamed it back to “plugins” (/winton/plugins), excluded that, ran the backup and it succeeded.

I noticed that when it fails, the main log file is 2.5Mb, but when it succeeds, the log file is 900k.

So I did a diff on the two log files and what I found that is that the failed log file contains entries for winton/wp-content/plugins but the successful log file does not.

Therefore, Im thinking now that the winton/plugins “problem” directory is a red herring and the backup failing is nothing to do with it.

What is actually happening is that when I exclude winton/plugins, the backup process also exludes winton/wp-content/plugins and thats why the backup succeeds.

That explains why the backup failed when I renamed winton/plugins to winton/jplugins and excluded it, the backup excluded winton/jplugins and then tried to process winton/wp-content/plugins, which caused it to fail.

There appears to be a problem with the exclusion matching in that, excluding winton/plugins also excludes winton/wp-content/plugins, when it should not.

Here are the last few lines of the successful backup log:
[2014-03-08 06:00:33] Deleting /homepages/35/d30352212/htdocs/winton/backup/winton.20140308.060024/winton.20140308.060024.sql…
[2014-03-08 06:00:33] Deleting /homepages/35/d30352212/htdocs/winton/backup/winton.20140308.060024…
[2014-03-08 06:00:33] Elapsed Time: 9 seconds
[2014-03-08 06:00:33] Backup complete!
[2014-03-08 06:00:33] Backup size: 47MB

Here are the last few lines of the failed backup log:
[2014-03-10 15:34:27] Archiving /homepages/35/d30352212/htdocs/winton/backup…
[2014-03-10 15:34:27] Archiving /homepages/35/d30352212/htdocs/winton/wp-phpinfo.php…
[2014-03-10 15:34:27] Archiving /homepages/35/d30352212/htdocs/winton/jplugins…
[2014-03-10 15:34:27] Archiving SQL dump…

I found the bug in the exclusion code and I’ve added some more debug logging, there will be a new version up later tonight you can try.

It won’t fix the issue but it may give some more info in to the log file to try and track it down.

The plugin was working untill I updated it tonight to 1.6.3.
I have 2 instanced of wordpress, both in local (wamp, windows) and remote (nginx, mysql, debian wheezy).
In all 4 total istances the backup function stopped working as soon as I updated to 1.6.3.
Here is the PHP error I receive on the bakcup page:
Fatal error: Maximum function nesting level of ‘100’ reached, aborting! in C:\wamp\www\realpd\wp-content\plugins\cyan-backup\includes\class-wp-backuper.php on line 538
Call Stack
# Time Memory Function Location
1 0.0004 252128 {main}( ) ..\index.php:0
2 0.0006 255648 require( ‘C:\wamp\www\realpd\wp-blog-header.php’ ) ..\index.php:17
3 0.1671 16483368 wp( ) ..\wp-blog-header.php:14
4 0.1671 16483576 WP->main( ) ..\functions.php:808
5 0.1727 16548152 do_action_ref_array( ) ..\class-wp.php:616
6 0.1727 16549168 call_user_func_array ( ) ..\plugin.php:507
7 0.1727 16549296 WP_AddRewriteRules->wp( ) ..\plugin.php:507
8 0.1727 16549504 call_user_func ( ) ..\class-addrewriterules.php:50
9 0.1727 16549552 CYANBackup->json_request( ) ..\class-addrewriterules.php:50
10 0.1732 16551880 CYANBackup->json_backup( ) ..\cyan-backup.php:525
11 0.1768 16920624 WP_Backuper->wp_backup( ) ..\cyan-backup.php:582
12 0.1861 16927776 WP_Backuper->get_files( ) ..\class-wp-backuper.php:403
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