This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
When running on jdk8, there is tab JShell in the Options Dialog/Java. It contains only one button 'Activate'. When this button is pressed, the whole content of JShell tab is covered by button without any label. The JShell is not activated. There is no exceptions in the log Product Version: NetBeans IDE Dev (Build 201703220002)