Install icedtea-netx-common by entering the following commands in the terminal:
sudo apt update sudo apt install icedtea-netx-common
Description:
NetX - implementation of the Java Network Launching Protocol (JNLP)
NetX provides a drop-in replacement for javaws (Java Web Start). Since upstream NetX is dormant, IcedTea is hosting and modifying the sources in the IcedTea-Web directory. . This package contains the architecture independent files.
Homepage: http://icedtea.classpath.org/wiki/IcedTea-Web
Version: 1.6.2-3.1ubuntu3
Section: universe/java