4.4.2. ORA-12520

If you encounter an error like the following the Apache's error.log, restart the database:

[Tue Sep 26 12:14:40 2006] [error] [client 127.0.0.1] PHP Warning: oci_connect(): ORA-12520: TNS:listener could not find available handler for requested type of server

This was encountered for example during the webtest run.