Edge for Private Cloud v4.18.05
By default, a session in the Edge UI expires one day after login. That means Edge UI users have to log in again after the session expires.
You can configure the session timeout be setting the conf_application_session.maxage
  property in the /opt/apigee/customer/application/ui.properties file.
To set this property:
- Open the ui.propertiesfile in an editor. If the file does not exist, create it:vi /opt/apigee/customer/application/ui.properties 
- Set conf_application_session.maxageas a time value and time unit. Time units can be:- m, minute, minutes
- h, hour, hours
- d, day, days- For example, set - conf_application_session.maxageas:- conf_application_session.maxage="2d" 
 
- Save your changes.
- Restart the Edge UI:
      /opt/apigee/apigee-service/bin/apigee-service edge-ui restart