Hello. Please review the fix for jdk9. In the fix for JDK-7188942 I forgot to cleanup the mapfiles when I removed initPbuffer() method. Bug: https://bugs.openjdk.java.net/browse/JDK-8130525 Webrev can be found at: http://cr.openjdk.java.net/~serb/8130525/webrev.00 -- Best regards, Sergey.