If you use Oracle Java runtime environment (JRE), install JRE 1.8, update 144 or later on the machines on which you want to launch the Hub Console. JRE 1.8, update 144 or later is required for the Batch Viewer in the Hub Console.
If you use Red Hat OpenJDK 8, install the IcedTea-Web Java Web Start implementation on the client machines on which you want to launch the Hub Console. Red Hat OpenJDK 8 does not automatically install a Java Web Start implementation, which is required to launch the Hub Console.
When you use IcedTea-Web Java Web Start, the time taken for the Hub Console to launch increases over time. To improve performance, periodically clear the cache by running the following command: