How to hide the popup that appears in the upper right corner when a session is expired

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Issue

• Is there any way to hide the popup (with attachments) that appears in the upper right corner before (warning) or after the session expires?

Environment

• Liferay DXP 7.0, Liferay DXP 7.1, Liferay DXP 7.2

solution

• It is Liferay's specification that a red message is displayed when a session expires.
• The warning message (yellow message) can be disabled in the properties settings.
  To disable, set the following properties to "0".

#
# Specify the number of minutes before a warning is sent to the user
# informing the user of the session expiration. Specify 0 to disable any
# warnings.
#
session.timeout.warning=1

• If automatic session renewal is enabled, the session will not expire and the red message will not appear.
  Automatic updates are configured with the following properties

#
# Set the auto-extend mode to true to avoid having to ask the user whether
# to extend the session or not. Instead, it will be automatically extended.
# The purpose of this mode is to keep the session open as long as the user's
# browser is open with a portal page loaded. It is recommended to use
# this setting along with a smaller "session.timeout", such as 5 minutes,
# for better performance.
#
session.timeout.auto.extend=true