Ubuntu 20.04 install dcm4che DICOM Toolkit & Library issue

[La Teow]

Hello,

I'm trying to install dcm4che DICOM Toolkit & Library on Ubuntu 20.04 LTS version.

This is the output of java -version

mvn -version

And the error I get running mvn install in the folder of the downloaded github project from : https://github.com/dcm4che/dcm4che

The output of timedatectl in case it helps :

If you have any sugesstion ..

Thanks you by advance