Oracle discontinued support for Java Web Start (JWS / JNLP) and removed it from official Java distributions starting with Java 11.
This means to use CW Control from a Linux (e.g., Ubuntu) workstation a significantly older version of Java, Java 8, must be installed and configured for use. This is not a recommended practice, especially since Oracle no longer provides free updates for Java 8. [I believe this impacts CW Control's Mac OS X client(s) as well, if they are JWS/JNLP also.]
OpenWebStart is an open source implementation of the WebStart and JNLP standards (JSR-56):
It is still in Beta, but has an aggressive schedule to have a release candidate in the coming months. Not all features will be supported initially:
So CW may wish to ensure that the CW Control Java app will run within the confines of what OpenWebStart will support initially and/or assist with the OpenWebStart open source project (e.g., financial sponsorship and/or developer contribution) to ensure OpenWebStart has all the features required by CW Control.
Customer support service by UserEcho