Jaren, right now you must use a Java 8 JRE. You can find details here:
https://groups.google.com/a/illuminatedcloud.com/d/msg/qanda/Rn1xs7QYs9k/JW4BU3Q1BQAJ
The issue is that they stopped bundling the SOAP client (JAX-WS) in the Java 11 JRE, and IC (and MANY other IntelliJ plugins) use it. I have a test build that bundles the SOAP client with Illuminated Cloud itself, and once I release that you will be able to use Java 11.
Jaren, right now you must use a Java 8 JRE. You can find details here:
https://groups.google.com/a/illuminatedcloud.com/d/msg/qanda/Rn1xs7QYs9k/JW4BU3Q1BQAJ
The issue is that they stopped bundling the SOAP client (JAX-WS) in the Java 11 JRE, and IC (and MANY other IntelliJ plugins) use it. I have a test build that bundles the SOAP client with Illuminated Cloud itself, and once I release that you will be able to use Java 11.