New install, blank page with "Error"

[RobJVargas]

So I've installed a fresh copy of Joomla! to my CentOS7 server. No DNS configured yet, so I try by IP:

http://107.152.32.67/

As expected, it redirects to ./installation/index.php, but then I get a blank page with the word "Error" on it.

I think it's from a 404 error. But I used HowToForge to make sure I walked through the steps. I'm using a LAMP stack (so, Apache, and MariaDB, and PHP7.2.9). Prior to copying the latest version of Joomla!, I was able to get the phpinfo screen, and the default Apache screen.

When I try via wget http://localhost, I get:

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[***]# wget http://localhost
--2018-08-21 21:36:39--  http://localhost/
Resolving localhost (localhost)... ::1, 127.0.0.1
Connecting to localhost (localhost)|::1|:80... failed: Connection refused.
Connecting to localhost (localhost)|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: installation/index.php [following]
--2018-08-21 21:36:39--  http://localhost/installation/index.php
Reusing existing connection to localhost:80.
HTTP request sent, awaiting response... 500 Internal Server Error
2018-08-21 21:36:39 ERROR 500: Internal Server Error.

I'm not worried about the IPv6. I'll deal with that later.

Thoughts?

[Webdongle]

Why the IP address not url?

[RobJVargas]

Why the IP address not url?

As I said, I haven't configured DNS yet.

The HowToForge page says it's not needed for that install connection. Digital Ocean's page shows the same.

[ThomasGHarris]

Hi Rob,

Is there any other error log? Is this the full Joomla package? Seems more like the installation or the server are not accepting one another.

[Furiousnow]

Rob, it sounds like you have some server configuration erros. A 500/5xx error is a server error, have you reviewed your setup against the Joomla Technical requirements?

https://downloads.joomla.org/us/technic ... rements-us

[RobJVargas]

@ThomasGHarris: Here's a tail output of error-log:

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[Fri Aug 24 21:44:01.893018 2018] [lbmethod_heartbeat:notice] [pid 6704] AH02282: No slotmem from mod_heartmonitor
[Fri Aug 24 21:44:01.916404 2018] [mpm_prefork:notice] [pid 6704] AH00163: Apache/2.4.6 (CentOS) PHP/7.2.9 configured -- resuming normal operations
[Fri Aug 24 21:44:01.916439 2018] [core:notice] [pid 6704] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
[Fri Aug 24 21:51:00.546639 2018] [mpm_prefork:notice] [pid 6704] AH00170: caught SIGWINCH, shutting down gracefully
[Fri Aug 24 21:51:01.681294 2018] [suexec:notice] [pid 6717] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Fri Aug 24 21:51:01.720944 2018] [so:warn] [pid 6717] AH01574: module php7_module is already loaded, skipping
[Fri Aug 24 21:51:01.723250 2018] [auth_digest:notice] [pid 6717] AH01757: generating secret for digest authentication ...
[Fri Aug 24 21:51:01.724203 2018] [lbmethod_heartbeat:notice] [pid 6717] AH02282: No slotmem from mod_heartmonitor
[Fri Aug 24 21:51:01.748370 2018] [mpm_prefork:notice] [pid 6717] AH00163: Apache/2.4.6 (CentOS) PHP/7.2.9 configured -- resuming normal operations
[Fri Aug 24 21:51:01.748403 2018] [core:notice] [pid 6717] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'

A tail -f doesn't show anything more than this. I can't see anything that clearly points out why the index.php fails to run.

@Furiousnow: From what I can tell, I meet the supported requirements. PHP 7.2.9, Apache 2.4.6, Mysql 5.5.60 (MariaDB, just to be specific). httpd and mysql(mariadb) are running.

[ThomasGHarris]

Hi Rob,

Is everything properly configured on the CentOS server? If you add any custom index.php is the same error showing? If it is instead of the index.php, it means that the server can't load it. This is caused either by some missing htaccess(might be due to DNS not being available yet) or some permissions not granted.

[CDXXonline]

When i was trying to get something i was working on working once i tried to upgrade to php 7.2 as that's the highest version the host offers and i thought may as well have the latest version, but i got the same error. I had to downgrade to php 7.1 and the error went away.

[brian]

@webdongle that would be a pretty amazing solution as the OP has not even managed to install joomla

@Rob As it is your own server I would start by making sure that the server is configured correctly. Create a phpinfo.php file in the root and see if that runs without error (https://www.pipeten.com/support/scripti ... info-page/)

[RobJVargas]

@brian:
Sorry for the delay. "Real life" and all that.

I had the default Apache index.html working before I started installing Joomla!, and phpinfo worked prior to that as well. I'm going to re-enable phpinfo and see if that still works.

Sadly, I didn't make a backup of my /var/www/html before I decompressed the Joomla files into it.

[RobJVargas]

OK, phpinfo works. I probably shouldn't, but I have it up for now.

http://107.152.32.67/info.php

[RobJVargas]

By the way, I've been under the impression that there is a missing module. Either a php module or an Apache one. So far, however, I've compared it to my other Joomla install and haven't yet found the difference.

[RobJVargas]

I was right. I was missing a php module. Not sure which one, but another site called tecadmin recommended the following for installing a LAMP server:

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install php-mysql php-xml \
php-soap php-xmlrpc php-mbstring php-json php-gd php-mcrypt

One of those modules did it. When I ran that, I noticed:

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Package php-mysql is obsoleted by php-mysqlnd, trying to install php-mysqlnd-7.2.9-1.el7.remi.x86_64 instead
...
Package php-mcrypt is obsoleted by php-pecl-mcrypt, trying to install php-pecl-mcrypt-1.0.1-6.el7.remi.7.2.x86_64 instead

My money is on php-mysqlnd, which did install, although php-pecl-mcrypt installed also.

In any event, I have the install page up and running now. Thanks for the assistance, guys.

[jimjam]

I had the same problem installing Joomla 3.9.2. Installing php-xml fixed it for me.

[valema]

I had the same thing (using localhost), and needed only to run

sudo apt-get install php-xml

[Webdongle]

@valema please see
https://docs.joomla.org/Installing_Joom ... _choose.3F