--- old/src/java.desktop/windows/classes/sun/awt/windows/WInputMethod.java	2017-05-11 11:10:10.667592212 -0700
+++ new/src/java.desktop/windows/classes/sun/awt/windows/WInputMethod.java	2017-05-11 11:10:10.515592219 -0700
@@ -589,6 +589,9 @@
                 Component client = getClientComponent();
 
                 if (client != null) {
+                    if (!client.isShowing()) {
+                        return;
+                    }
                     if (haveActiveClient()) {
                             Rectangle rc = inputContext.getTextLocation(TextHitInfo.leading(0));
                             x = rc.x;