8232853: AuthenticationFilter.Cache::remove may throw ConcurrentModificationException
Summary: Change implementation to use iterator instead of plain LinkedList
Reviewed-by: dfuchs, vtewari
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* 2 along with this work; if not, write to the Free Software Foundation,
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/*
* @test
* @bug 8214583
* @summary Check that getContext works after JIT compiler escape analysis.
*/
import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.DomainCombiner;
import java.security.ProtectionDomain;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.net.URL;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public class DoPriv {
static void go(final DomainCombiner dc0, final AccessControlContext co, final int index) throws Exception {
final AccessControlContext ci = new AccessControlContext(co, dc0);
AccessController.doPrivileged((PrivilegedExceptionAction<Integer>)() -> {
AccessControlContext c1 = AccessController.getContext();
DomainCombiner dc = c1.getDomainCombiner();
if (dc != dc0 || dc == null) {
throw new AssertionError("iteration " + index + " " + dc + " != " + dc0);
}
return 0;
}, ci);
}
public static void main(String[] args) throws Exception {
final DomainCombiner dc0 = new DomainCombiner() {
public ProtectionDomain[] combine(ProtectionDomain[] currentDomains,
ProtectionDomain[] assignedDomains) {
return null;
}
};
final AccessControlContext co = AccessController.getContext();
for (int i = 0; i < 500_000; ++i) {
go(dc0, co, i);
}
}
}