ADDITIONAL SYSTEM INFORMATION :
RHEL 8.10, X11, openJDK: 17.0.12, openJFX: 17

A DESCRIPTION OF THE PROBLEM :
We are experiencing an OutOfMemoryError in a long-running JavaFX application. Analysis of the heap dump shows that the JavaFX Application Thread is responsible, with tens of millions of char[] objects being retained as GC roots accounting for 73.8% of the heap. These arrays are either empty or have a length of 1, typically containing the values '0' or '1'. While we are not yet certain what is triggering these char[] allocations, the fact that they appear as GC roots strongly suggests that they are being referenced from native memory, indicating that a native structure is allocating or holding these objects without proper cleanup. Over several days of runtime, these accumulated references eventually exhaust the heap.

Environment details:
• Operating System: RHEL 8
• JavaFX Version: 17
• Recently migrated from RHEL 6 and JavaFX 8, where this issue did not occur.
This may be related to previously reported memory related issues, including:
• JDK-8188094
• JDK-8156051
• JDK-8163079

Please also see the following picture captures from visualVM:
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STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Not yet able to reproduce.