The following test failed in the JDK17 CI:

javax/swing/JInternalFrame/8146321/JInternalFrameIconTest.java

Here's a snippet from the log file:

#section:main
----------messages:(5/207)----------
command: main JInternalFrameIconTest
reason: User specified action: run main JInternalFrameIconTest
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 15.708
----------configuration:(3/40)----------
Boot Layer
  add modules: java.desktop

----------System.out:(1/78)----------
[javax.swing.plaf.metal.MetalLookAndFeel] : SUCCESS: icon and imageIcon same.
----------System.err:(16/1118)----------
[javax.swing.plaf.nimbus.NimbusLookAndFeel] : ERROR: icon and imageIcon not same.
java.lang.RuntimeException: Error Log:
[javax.swing.plaf.nimbus.NimbusLookAndFeel] : ERROR: icon and imageIcon not same.
at JInternalFrameIconTest.main(JInternalFrameIconTest.java:72)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Error Log:
[javax.swing.plaf.nimbus.NimbusLookAndFeel] : ERROR: icon and imageIcon not same.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Error Log: [javax.swing.plaf.nimbus.NimbusLookAndFeel] : ERROR: icon and imageIcon not same.
----------rerun:(42/6570)*----------


This failure mode appears to match:

JDK-8225045 javax/swing/JInternalFrame/8146321/JInternalFrameIconTest.java fails on linux-x64

which was fixed on 2021.01.13. This failure happened
on 2021.01.23 with a later build-ID.