Hi, Please review the following fix, I changed the way to check received notifications. Bug: https://bugs.openjdk.java.net/browse/JDK-8042205 Webrec: http://cr.openjdk.java.net/~sjiang/JDK-8042205/00/ <http://cr.openjdk.java.net/%7Esjiang/JDK-8042205/00/> Thanks, shanliang