Playframework production mode play application secret not set that's something

Recently deployed on the Linux server with the play project through the Activator Dist development model, the localhost:9000 appears Your new application is ready .

To this I thought together normal. However, when you access a page that has write session data, the console prints the error log:

Play application Secret not set,play also used a very long world, to this error has not encountered, so according to the prompts to view the configuration file application.conf,

The discovery is a little different from the previous creation, which was created earlier:

This is the present:

Yes, secret is different. So Baidu, no fruit, then went to the official website search, found that there is a detailed introduction: Https://www.playframework.com/documentation/2.3.x/ApplicationSecret

There are several ways to solve the website, according to the recommended practice:

Ok! Perfect solution.

Playframework production mode play application secret not set that's something