PKP Support

by **vlilloh** » Thu Jan 13, 2011 8:48 am

Hi,

In a few days it is going to change the php version on my server from 5.2 to 5.3.2. The first tests of our OJS with PHP 5.3 there is a problem. Users can not login.

And it throws the following fatal error:

[Wed Jan 12 10:06:54 2011] [error] [client 66.249.72.212] PHP Fatal error: Class 'HookRegistry' not found in /home/sp-dgroup/a1/www.um.es/vh/revistas.um.es/prod/lib/pkp/classes/db/DAO.inc.php on line 192

The php version is:
PHP 5.3.2-1ubuntu4.5 with Suhosin-Patch (cli) (built: Sep 17 2010 13:49:46)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
with the ionCube PHP Loader v3.3.20, Copyright (c) 2002-2010, by ionCube Ltd.

I work with the latest version of OJS, and with all recommended patches.

This may be related to http://pkp.sfu.ca/support/forum/viewtopic.php?f=8&t=4999? APC-related?

Any suggestions?
Thanks.

by **vlilloh** » Sat Jan 15, 2011 9:15 am

Confirmed. Is APC-related too, disabling APC resolved the problem.

Although I have no cache accelerator .. and my OJS is heavily loaded.

Finally, it seems to be a APC issue, not PHP bug.

Cheers.

by **mariagwyn** » Thu Feb 10, 2011 2:45 pm

If it is not an option to disable APC, what do we do? Or, is it not possible to run OJS on such a system?

by **jorgecardoso** » Wed Apr 25, 2012 3:07 am

mariagwyn wrote:If it is not an option to disable APC, what do we do? Or, is it not possible to run OJS on such a system?

I'm interested in knowing the answer to this also. Anyone knows a solution?

by **asmecher** » Wed Apr 25, 2012 7:53 am

Hello all,

Newer versions of APC are reported to work fine. The flawed version of APC causes PHP to behave unpredictably, and I doubt it would be easy to work around the issue from within PHP. Consider that a "probably not", unfortunately.

Regards,
Alec Smecher
Public Knowledge Project Team

by **mgregson** » Tue Sep 18, 2012 11:06 pm

I've been investigating using APC 3.1.9 and PHP 5.3.3 with our OJS installations and came across this same problem. In my case it is definitely resolved by disabling APC.

In this bug report, https://bugs.php.net/bug.php?id=58739, it describes a workaround: 'Put session_write_close() in your script when you are done with the session.' I followed a subsequent suggestion and inserted 'register_shutdown_function("session_write_close");' at the top of webroot/index.php. This resolved the login issue but I didn't have time to test any further. I don't completely understand the bug or the workaround so I can't predict any potential problems with the workaround.

Does anyone know any more about this?

by **asmecher** » Wed Sep 19, 2012 7:19 am

Hi mgregson,

I don't foresee any problems with that -- but please report back. (This is a pretty old APC bug, so I'm hesitant to put much time into working around it.)

Regards,
Alec Smecher
Public Knowledge Project Team

by **mgregson** » Wed Sep 19, 2012 10:33 pm

Thanks, Alec. That's a little reassurance that the issue can be 'resolved' this way. I'll do some testing and see what I find.

Cheers
Mark

PKP Support

PHP 5.3 - Class 'HookRegistry' not found

PHP 5.3 - Class 'HookRegistry' not found

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