ADDITIONAL SYSTEM INFORMATION :
Windows 10

A DESCRIPTION OF THE PROBLEM :
In native code TrayIcon creates a MouseEvent passing itself as the target BUT TrayIcon is not an awt Component.
See here:
https://github.com/openjdk/jdk/blob/master/src/java.desktop/windows/native/libawt/windows/awt_TrayIcon.cpp#L521
This is ignored in OpenJDK but generates a ClassCastException in GraalVM
See here:
https://github.com/oracle/graal/issues/3414


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Attempt to use TrayIcon and compile in GraalVM

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Use TrayIcon
ACTUAL -
Native code generates a ClassCastException and fails.

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See GraalVM bug.
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CUSTOMER SUBMITTED WORKAROUND :
None.

FREQUENCY : always