On 14 Jan 2016, at 16:52, Mandy Chung <mandy.ch...@oracle.com> wrote:
>> On Jan 14, 2016, at 2:05 AM, Chris Hegarty <chris.hega...@oracle.com> wrote: >> >> The "stopThread” RuntimePermission is granted by default. The Thread.stop >> methods have been deprecated for more than 15 years. It seems reasonable, >> in a major release, to remove the default grant of stopThread. > > +1 to remove "stopThread” RuntimePermission from java.policy. Thanks for the review Mandy. > There are existing tests whose grants this "stopThread” RuntimePermission > that may not be needed for the test. The test policy likely copies that from > the default system java.policy. We should update these test policy as well. I do see a few of these, and some will need discussion. Ok if I file a separate bug on these, they are not directly related to this change, and do still pass, just that the permission is superfluous. >>> I would have expected some tests to need modifying here (or other places!). >> >> I haven’t seen any test failures resulting from this change ( not sure >> if that is a good or a bad thing! ). Though, there were several >> implementation >> bugs that needed to be resolved before being able to remove default grant. > > jtreg policy tag overrides the system default security policy with the > specified file. Tests that call Thread::stop and tested with security > manager must have "stopThread” RuntimePermission set in the test policy. > jtreg was enhanced to add a new java.security.policy tag to extend the system > security policy [1]. Thanks for this explanation. I always get confused with how jtreg supports this. > Only tests using java.security.policy tag and calling Thread::stop will need > to be modified. I can find no such tests. -Chris. > Mandy > [1] https://bugs.openjdk.java.net/browse/CODETOOLS-7900898