WebAdmin must be set up again.
Follow the procedure below to modify the JRE installation:
Stop the Web server feature of WebAdmin
Refer to "B.1.4 Stopping the Web Server Feature of WebAdmin" for details.
Remove WebAdmin
Refer to "B.2 Removing WebAdmin" for details.
Modify the JRE installation
Set the JAVA_HOME environment variable
Set the JAVA_HOME environment variable to the installation destination of Open JRE 8.
# export JAVA_HOME="OpenJRE8InstallDir "
Set up WebAdmin
Refer to "B.1.1 Setting Up WebAdmin" for details.
Start the Web server feature of WebAdmin
Refer to "B.1.3 Starting the Web Server Feature of WebAdmin" for details.