EM13c: Incident "DFW-99998 [java.lang.ClassCastException][java.awt.EventDispatchThread.run][emgc]" is Detected on EMGC_OMS of Windows. (Doc ID 2987486.1)

Last updated on NOVEMBER 20, 2023

Applies to:

Symptoms

Incident "DFW-99998 [java.lang.ClassCastException][java.awt.EventDispatchThread.run][emgc]" is detected on EMGC_OMS of Windows.

<gc_inst>\user_projects\domains\GCDomain\servers\EMGC_OMS1\adr\diag\ofm\emgc_domain\emoms\incident\incdir_XX/readme.txt

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Description
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Thread 39818(AWT-EventQueue-0) exited due to an uncaught Exception: java.lang.ClassCastException: sun.java2d.HeadlessGraphicsEnvironment cannot be cast to sun.awt.Win32GraphicsEnvironment.

Stack Trace
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java.lang.ClassCastException: sun.java2d.HeadlessGraphicsEnvironment cannot be cast to sun.awt.Win32GraphicsEnvironment
    at sun.awt.windows.WToolkit.lambda$displayChanged$2(WToolkit.java:843)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
    at java.awt.EventQueue.access$500(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.awt.EventQueue$3.run(EventQueue.java:703)
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Changes

Cause

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