DBIx::Class::Storage::DBI::catch (): DBI Connection failed

Many Koha users have reported following error when login for post installation configuration.

Software error:

DBIx::Class::Storage::DBI::catch (): DBI Connection failed: Access denied for user ikoha_librarylvlocalhost' (using password: YES)

For help, please send mail to the webmaster ([no address  given]), giving this error message and the time and date of the error.

Solution

Apply the following command and start Memcached service.

sudo service memcached restart

Refresh the browser window.

Enable Memcached with Koha

What is Memcached?

"Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load" (https://memcached.org/).

Why we should use Memcached with Koha?

Memcached can boost the performance of Koha.

I have tried to enable Memcached with Koha versions 17.05.x to 18.05.x.

Check Memcached working with Koha

Open Koha > About Koha > Server Information

The red flag indicates that Memcached not working