4.3 updates gives server error 500

DrWig
(@drwig)

9 years, 3 months ago
After updating to version 4.3, I’m not longer able to access the admin panel of wordpress. removing and reinstalling (either automatically or manually) doesn’t fix it, but rolling back to 4.2.2 does.

Server is windows based using Plesk control panel.
- This topic was modified 9 years, 3 months ago by DrWig.

Viewing 15 replies - 1 through 15 (of 16 total)

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Plugin Author

Jeremy Herve

(@jeherve)

Jetpack Mechanic 🚀

9 years, 3 months ago

I’m sorry to hear you’ve run into issues.

Could you add the following to your site’s wp-config.php file?


define('WP_DEBUG', true);

if ( WP_DEBUG ) {

        @error_reporting( E_ALL );
        @ini_set( 'log_errors', true );
        @ini_set( 'log_errors_max_len', '0' );

        define( 'WP_DEBUG_LOG', true );
        define('WP_DEBUG_DISPLAY', false);
        define( 'CONCATENATE_SCRIPTS', false );
        define( 'SAVEQUERIES', true );

}

Once you’ve done so, try to reproduce the 500 error, and then check the wp-content/debug.log file for errors. You can paste the results here. You can then replace define('WP_DEBUG', true); by define('WP_DEBUG', false); in the code above.

Thanks!

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

using debug = true the dashboard works. As soon as I set debug = false, I get the error 500 again.

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

I’m using an old theme, so the log file seems to be pretty big. I can’t post it all! I’ll look for relevant bits. Perhaps I need to update my theme to something more recent.

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

I get a lot of these:
[07-Sep-2016 12:32:40 UTC] PHP Notice: register_sidebar_widget is <strong>deprecated</strong> since version 2.8.0! Use wp_register_sidebar_widget() instead. in D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-includes\functions.php on line 3706

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

and these
[07-Sep-2016 12:33:00 UTC] PHP Notice: has_cap was called with an argument that is <strong>deprecated</strong> since version 2.0.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-includes\functions.php on line 3890

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

This one looks a little more wp-admin related:
[07-Sep-2016 12:34:01 UTC] PHP Warning: file_exists(): open_basedir restriction in effect. File(D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs/wp-content/plugins/http://www.brucewiggins.co.uk/wp-admin/admin.php) is not within the allowed path(s): (d:/Plesk/VHOSTS/brucewiggins.co.uk\;C:\windows\Temp\) in D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-admin\menu-header.php on line 150

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

Plugin Author

Jeremy Herve

(@jeherve)

Jetpack Mechanic 🚀

9 years, 3 months ago

None of these errors appear to be directly related to Jetpack.

I did, however, notice this error:

[07-Sep-2016 12:34:28 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-includes\class.wp-styles.php:237) in D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-includes\rest-api.php on line 380

Do you use any other plugins using the core REST API on your site? Could you try to deactivate those plugins, one at a time, and let me know if you find a conflict?

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

ok, thanks. Not sure how I’d know a plug-in uses that API, but I’ll try and find out!

The plug-ins activated are:
Akismet
Google Analytics
iframe
Math Captcha
mathtex latex equation editor
PayPal Donations
Processing js Easy
TweetMeme Retweet Button
Twitter Widget
Wordpress Download Monitor

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

Just tried disabling each plug-in in turn. None of them (at least individually) make any difference. admin panel still not working with debug set to false.

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

Tried switching themes too….still the same issue….

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

could it be something to do with:
[08-Sep-2016 21:31:25 UTC] PHP Warning: file_exists(): open_basedir restriction in effect. File(D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs/wp-content/plugins/http://www.brucewiggins.co.uk/wp-admin/admin.php) is not within the allowed path(s): (d:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\;C:\windows\Temp\) in D:\Plesk\VHOSTS\brucewiggins.co.uk\httpdocs\wp-admin\menu-header.php on line 150

This reply was modified 9 years, 3 months ago by DrWig.

Plugin Author

Jeremy Herve

(@jeherve)

Jetpack Mechanic 🚀

9 years, 3 months ago

It could indeed be related. Do you still experience issues when updating to Jetpack 4.3.1?

Thread Starter

DrWig

(@drwig)

9 years, 3 months ago

Yes, same issue. Had no issues with jetpack before 4.3

Plugin Author

Jeremy Herve

(@jeherve)

Jetpack Mechanic 🚀

9 years, 3 months ago

Could you contact your hosting provider, and ask them to take a look at that error? They might be able to solve that error by changing some of your server configuration settings.

Let me know how it goes!

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