--- a/jdk/make/launcher/Launcher-jdk.jconsole.gmk	Wed Nov 23 16:16:35 2016 +0000
+++ b/jdk/make/launcher/Launcher-jdk.jconsole.gmk	Thu Dec 01 08:57:53 2016 +0000
@@ -27,7 +27,8 @@
 
 $(eval $(call SetupBuildLauncher, jconsole, \
     MAIN_CLASS := sun.tools.jconsole.JConsole, \
-    JAVA_ARGS := -Djconsole.showOutputViewer, \
+    JAVA_ARGS := --add-opens java.base/java.io=jdk.jconsole \
+		 -Djconsole.showOutputViewer, \
     CFLAGS_windows := -DJAVAW, \
     LIBS_windows := user32.lib, \
 ))