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Application Instantiation Error: Could not connect to MySQL [message #642148] Fri, 04 September 2015 00:12
reym21
Messages: 201
Registered: February 2010
Location: Philippines
Senior Member

Sirs,

What would be the cause of this repeated error in our website:
"Error displaying the error page: Application Instantiation Error: Could not connect to MySQL".
The configuration.php for the database is correct, we've restarted httpd services and MySQL
database a number of times, restarted the Apache server once. But after a while, our website
will become not accessible and will the display the same error again.

We also changed the parameter of max_connections from the default of 151 to 1,000 connections,
but said website will be up for a little time then the "Application Instantiation Error:
Could not connect to MySQL" would re-appear again.

We also noticed in our PHPMyAdmin console that a number of sessions are somewhat intact
or not killed after we restarted the httpd and MySQL database services.

Thanks for your usual help.
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