MEDIUM: Use of AccessController.doPrivileged() in Public Method of Public Class #1135
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issue:#1134 (comment)
In this change, I created a new method for private exitWithPrivilege (), and the AccessController. The doPrivileged () call mobile to this method. The new method is then called in shutdownProcess. So you can avoid the common methods of directly using the AccessController. The doPrivileged (), so as to improve the security of the code.