java/awt/xembed/server/TestXEmbedServerJava.java fails with the following exception trace:

java.lang.ClassCastException: sun.lwawt.LWCanvasPeer (in module: java.desktop) cannot be cast to sun.awt.WindowIDProvider (in module: java.desktop)
at TestXEmbedServer.addClient(TestXEmbedServer.java:188)
at TestXEmbedServer$5.actionPerformed(TestXEmbedServer.java:103)
at java.awt.Button.processActionEvent(java.desktop@9.0/Button.java:410)
at java.awt.Button.processEvent(java.desktop@9.0/Button.java:378)
at java.awt.Component.dispatchEventImpl(java.desktop@9.0/Component.java:4991)
at java.awt.Component.dispatchEvent(java.desktop@9.0/Component.java:4823)
at java.awt.EventQueue.dispatchEventImpl(java.desktop@9.0/EventQueue.java:761)
at java.awt.EventQueue.access$500(java.desktop@9.0/EventQueue.java:97)
at java.awt.EventQueue$3.run(java.desktop@9.0/EventQueue.java:712)
at java.awt.EventQueue$3.run(java.desktop@9.0/EventQueue.java:706)
at java.security.AccessController.doPrivileged(java.base@9.0/Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@9.0/ProtectionDomain.java:77)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@9.0/ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(java.desktop@9.0/EventQueue.java:734)
at java.awt.EventQueue$4.run(java.desktop@9.0/EventQueue.java:732)
at java.security.AccessController.doPrivileged(java.base@9.0/Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(java.base@9.0/ProtectionDomain.java:77)
at java.awt.EventQueue.dispatchEvent(java.desktop@9.0/EventQueue.java:731)
at java.awt.EventDispatchThread.pumpOneEventForFilters(java.desktop@9.0/EventDispatchThread.java:192)
at java.awt.EventDispatchThread.pumpEventsForFilter(java.desktop@9.0/EventDispatchThread.java:117)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(java.desktop@9.0/EventDispatchThread.java:106)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9.0/EventDispatchThread.java:102)
at java.awt.EventDispatchThread.pumpEvents(java.desktop@9.0/EventDispatchThread.java:94)
at java.awt.EventDispatchThread.run(java.desktop@9.0/EventDispatchThread.java:83)
STATUS:Failed.`main' threw exception: java.lang.ClassCastException: sun.lwawt.LWCanvasPeer (in module: java.desktop) cannot be cast to sun.awt.WindowIDProvider (in module: java.desktop)