Installing Joomla 4.0 alpha 11 failes

[deroderuiter]

I have tried to install Joomla 4.0 several times but I never succeeded in getting it running. After filling in the necessary fields I always get this error:

Service Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

I use:

• Database Type mysql

• Database Version 10.2.13-MariaDB

• PHP Version 7.3.6

Does anybody know what could cause this problem?

[Webdongle]

"due to maintenance downtime or capacity problems"
Speak to your Host

[deroderuiter]

I've spoken to my host. The problem they found is this:

Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 1952738704 bytes) in [my-domain]/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php on line 456

I really don't know how to solve that

[Webdongle]

https://forumpostassistant.github.io/docs/ please

Latest J4 is beta 1-dev try that https://developer.joomla.org/nightly-builds.html

[sozzled]

I've spoken to my host. The problem they found is this:

Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 1952738704 bytes) in [my-domain]/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliStatement.php on line 456

I really don't know how to solve that

According to those numbers, your webhost allows you a maximum memory size of 512Mbytes to run "everything". OK, you follow that? The next part of the problem statement is puzzling: "something" is trying to obtain a total of 1.8Gbytes of memory!

In all my life building websites, I have never come across a situation that has tried to chew more than 0.5Gbytes of memory, let alone nearly four times that amount. So there's something very suspicious going on here.

I don't know anything about installing J! 4.0 alpha (simply because I do not test alpha versions of J! in any case). I don't know anything about J! 4.0 beta (because it's too new and I haven't read any news about whether it works or not). In other words, I'm not the best person to ask for help with J! 4.0 at this time.

[Per Yngve Berg]

I have installed Alpha-11 without that problem. That consumption of memory is not normal.

[deroderuiter]

Thank you for your reactions. I removed the installation. I will give it a try again when there is a newer and more stable version.
In the mean while I installed it on my PC using xampp. There it runs without any problem

[Webdongle]

Wamp is imho more flexable for localhost than xamp. With Wamp you can change the php version on the fly.