Summary

Serialization issue of AWT components.

Problem

Objects of AccessibleAWTComponentHandler, AccessibleAWTFocusHandler and AccessibleContainerHandler classes are assigned to non-transient fields of serializable classes.

Solution

Mark the classes as Serializable.

Specification

-        protected class AccessibleAWTComponentHandler implements ComponentListener {
+        protected class AccessibleAWTComponentHandler implements ComponentListener, Serializable {
+            private static final long serialVersionUID = -1009684107426231869L;

-        protected class AccessibleAWTFocusHandler implements FocusListener {
+        protected class AccessibleAWTFocusHandler implements FocusListener, Serializable {
+            private static final long serialVersionUID = 3150908257351582233L;

         protected class AccessibleContainerHandler
-            implements ContainerListener {
+            implements ContainerListener, Serializable {
+                private static final long serialVersionUID = -480855353991814677L;