WARNING: An illegal reflective access operation has occurred (org.netbeans.swing.plaf.gtk.ThemeValue)

[RadekCap]

This is just a warning but it could be an issue in the future.

When you run the application from a terminal there is an error there with no current impact to the application:

WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.netbeans.swing.plaf.gtk.ThemeValue (jar:file:/home/rcap/trgtdMy/platform/modules/org-netbeans-swing-plaf.jar!/) to method javax.swing.plaf.synth.SynthStyle.getColorForState(javax.swing.plaf.synth.SynthContext,javax.swing.plaf.synth.ColorType) WARNING: Please consider reporting this to the maintainers of org.netbeans.swing.plaf.gtk.ThemeValue WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release

Product Version: ThinkingRock 3.7.0 Java: 11.0.17; OpenJDK 64-Bit Server VM 11.0.17+8-LTS Runtime: OpenJDK Runtime Environment 11.0.17+8-LTS System: Linux version 4.18.0-425.3.1.el8.x86_64 running on amd64; UTF-8; en_UK (trgtd

[ursjoss]

Ref: NETBEANS-5329 - this was closed as a duplicate of still open ticket NETBEANS-2017.

[RadekCap]

This warning doesn't appear on Mac with OJDK 17 (Temurin).

Java: 17.0.5; OpenJDK 64-Bit Server VM 17.0.5+8 Runtime: OpenJDK Runtime Environment 17.0.5+8 System: Mac OS X version 13.1 running on x86_64; UTF-8; en_UK (trgtd)