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I have been trying to install mambo 4.5.3/2 and now joomla 1.0 for the last 2 days with different problems which I think will have the same resolution...

Mambo 4.5.3 installation both admin and public sites are completely blank after what seems to be an error free install.

4.5.2 and jos 1.0 installs ok and I have access to both sites, but when I click on the new icon to create a new menu item I get a blank page.

I have done some investigating in the com_menu source and found where the problem is, but I'm having trouble resolving it.. Lack of PHP knowledge..

My findings are:
In file /administrator/components/com_menus/admin.menus.php line:724 (joomla 1.0)


I have commented out certain bits of code and found the error is happening on the line above. This is where it is looping through all the directories in the com_menus directory and parsing the xml file.
If I move all the directories from mos_menus the page renders but with no options - as expected..

If I move all content_* dir out it works fine every time...(refreshed about a dozen times with no problems) If I move any one of the *category or *section dirs back in then it randomly cycles through a page with only header and a fully working page.. If I move more dir in then it gives a blank page everytime...

If I move all directories out and start adding content_* directories back in, it take around 6 dirs before starts giving blank pages.. depending on what 6 the frequency changes, then again it is random I am trying about 8 refreshes for each combination I try..

I would prefer to get Joomla working, just recording the problems I had with mambo as they may help resolve..
I also have troubles with other components.. ie clicking upload files in zoom also gives a blank page...

I have a feeling it is the verion of PHP and or its xml parsing.

My server details are below.
Redhat Linux Fedora core 4 (64 bit linux - 64 bit intel processor)
PHP 5.0.4 (from rpm in redhat install)
mysql 4.1.11 (from rpm in redhat install)
Apache 2.0.54 (Fedora)

Any help would be appreciated. 
Jason Bradfield.

Ahh stupid me just looked at the apache error logs and found the below..


Just increased allowed memory in /etc/php.ini to 12M and bounced Apache. Now it works...

Does this mean that PHP4 is more efficient??

I'm going to bump this because I've been experiencing similar problems, as has a customer of mine, and the modification Jason mentions is just a hack, not a real fix.

I've had a dig about on the forge & there doesn't seem to be anything in the bug list, any help would be appreciated. Ta.

Yeah, this is not a real fix. Is there anyone who can fix this??
I got the same problem, when I tried to install the 2nd category

I should also point out that this problem exists while running Joomla, not just during installation.

Hello there,

I have experienced the same problem: when I want to create a new menu item all I get is a blank page.
I have not yet found a solution to this. What I intend to do as a last resort/emergency solution is to copy any other menu item and then rename it and link it to a new content item. This seems to be all I can do as I could not find the source of the problem. I am using Version 1.0.13 downloaded from Joomla.org.

My question is: can I re-install part of the installation package to fix this problem? i.e: re-install com_menu and com_menumanager to get it fixed? What are the pros and cons? Has anybody done this before? I can't risk crippling the whole site now!

Any reply or help is most appreciated.


Regards,

RasJebel