Hi, Please review updated webrev at http://cr.openjdk.java.net/~henryjen/ccc/8023524/6/webrev
In this update, - Check the specified directory once, disable dumping if it is invalid. This address the comment of unnecessary complexity, as this is a debug feature and most likely developer would like to restart. - minimum doPrivilege permission - Install security manager in test to verify doPrivilege Cheers, Henry