Norman Maurer 8679c5ef43
CleanerJava9 should be able to do its job even with a SecurityManager installed. (#8204)
Motivation:

CleanerJava9 currently fails whever a SecurityManager is installed. We should make use of AccessController.doPrivileged(...) so the user can give it the correct rights.

Modifications:

Use doPrivileged(...) when needed.

Result:

Fixes https://github.com/netty/netty/issues/8201.
2018-08-28 16:32:29 +02:00
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