Chapter 1. Troubleshooting Java Web Start
The OpenJDK 8 for Windows distribution includes an implementation of the Java Web Start deployment protocol based on the IcedTea-Web open source project.
This implementation of the Java Web Start protocol may not be fully compatible with the proprietary Java Web Start implementation included in the Oracle Java 8 distribution.
To report an issue with your Web Start application, please include the appropriate details from the
%LOCALAPPDATA%\RedHat\java-1.8.0-openjdk-[version]\webstart\javaws_last_log.txt log file.
The log file captures the standard output of your Java Web Start application and may contain confidential information.