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Until few weeks after installing and configuring Joomla, administrator panel stopped working. After going to http://xxx.pl/administrator or .../administrator/index.php there is nothing but blank page. It's weird, but when I moved all content of configured Joomla to subfolder, let's say "abc" everything was OK. I've searched many times on many forums but all answers was like "Try to reinstall it". Is there any other way to fix it?
EDIT: I'll add here what I wrote in comments below.

  • Cleaning browser cache changes nothing
  • Problem exists on Firefox, Chrome, IE 8-9
  • Logs are empty

Really annoying thing is that everything works fine after copying whole Joomla into its subfolder. Maybe re-configurating .htaccess file? If yes, how to redirect all the pages to their copy in its subfolder? I mean:

  • example.com => example.com/abc
  • example.com/administrator => example.com/abc/administrator
  • etc.
royhowie
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Kuba T
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3 Answers3

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What is the HTTP status code when you try accessing it?

(If you are unsure how to see this information, please take a look at: View HTTP headers in Google Chrome?)

If the status code is 500, add:

ini_set('display_errors', 1);
error_reporting(E_ALL);

at the top of your /administrator/index.php and see if any error shows up.

If the error you receive is something else, are you sure your Apache DocumentRoot or your vhost configuration is OK?

Community
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Jean-François Rioux
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  • ok, everything works fine now. Notice I asked for that almost 2 years ago :) But yes, as far as I remember, the problem was with not displaying errors. I don't remember what was the error though. But thanks, I can mark your answer as right :) – Kuba T Dec 16 '13 at 07:08
  • I didn't pay attention to the date... my bad. – Jean-François Rioux Dec 16 '13 at 16:01
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I suddenly started getting a blank page on all the administrator backend login pages on my sites, could not access the admin section when only the day before it was all working, I had changed nothing server side.

Fortunately after a little testing and checking with other browsers (that were working fine) I notice at some point I must have disabled the java script in firefox, once I enabled it again all went back to normal, logging in again was a back to normal, no blank page.

Hope this helps someone with their issue.

James
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  1. Check if PHP is broken. Put a very simple script (e.g. <?php echo '1'; ?>) in your document root, navigate to it with a web browser, and observe whether or not PHP is working.
  2. What happens if you execute the index.php script directly from the command-line? E.g. $ /path/to/php /path/to/joomla/administrator/index.php Do you get reasonable output or errors? You might want to redirect the output to a file (e.g. > test.html) and navigate to that file in your web browser to see if it contains anything useful.
Bobby Jack
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  • 1. PHP is probably not broken, because site is hosted on the one of biggest hosting server in Poland - home.pl 2. I have no output - it looks like at the beginning of administrator/index.php was die() function... – Kuba T Mar 27 '12 at 13:21
  • 1. I'm not suggesting the host is to blame, but there are plenty of things that might have inadvertedly happened in order to cause problems with PHP. 2. So, once you remove the call to die(), it's working? – Bobby Jack Mar 27 '12 at 13:41
  • You didnt understand me :) It LOOKS like there is a die function. I've just noticed that $app->dispatch(); function crushes all. – Kuba T Mar 27 '12 at 13:50
  • Okey, everyone, I didn't find main cause of problem. I changed my .htaccess file to redirect every page to its copy in subfolder. – Kuba T Mar 27 '12 at 14:26