6912560: Timezone is not set correctly on Win Vista when Security manager is present.

6941137: DST broken in 6u18 when jre/lib/zi is moved elsewhere and replaced with symlink.
Reviewed-by: peytoia

src/share/classes/sun/util/calendar/ZoneInfoFile.java

@@ -30,6 +30,7 @@ import  java.io.FileInputStream;
 import  java.io.FileNotFoundException;
 import  java.io.IOException;
 import  java.lang.ref.SoftReference;
+import  java.nio.file.FileSystems;
 import  java.security.AccessController;
 import  java.security.PrivilegedAction;
 import  java.security.PrivilegedActionException;
@@ -472,17 +473,18 @@ public class ZoneInfoFile {
 
     private static Map<String, ZoneInfo> zoneInfoObjects = null;
 
-    private static final String ziDir;
-    static {
-        String zi = (String) AccessController.doPrivileged(
-                         new sun.security.action.GetPropertyAction("java.home"))
-                    + File.separator + "lib" + File.separator + "zi";
-        try {
-            zi = new File(zi).getCanonicalPath();
-        } catch (Exception e) {
-        }
-        ziDir = zi;
-    }
+    private static final String ziDir = AccessController.doPrivileged(
+        new PrivilegedAction<String>() {
+            public String run() {
+                String zi = System.getProperty("java.home") +
+                    File.separator + "lib" + File.separator + "zi";
+                try {
+                    zi = FileSystems.getDefault().getPath(zi).toRealPath(true).toString();
+                } catch(Exception e) {
+                }
+                return zi;
+            }
+        });
 
     /**
      * Converts the given time zone ID to a platform dependent path

test/java/util/TimeZone/Bug6912560.java

+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 6912560
+ * @run main/othervm Bug6912560
+ * @summary Make sure that file path canonicalization in
+ * sun.util.calendar.ZoneInfoFile works with the default security
+ * manager.
+ */
+
+import java.io.File;
+import java.util.*;
+
+public class Bug6912560 {
+    public static void main(String[] args) {
+        // set the user.timezone property
+        String tzname = "Asia/Tokyo";
+        System.setProperty("user.timezone", tzname);
+
+        System.setSecurityManager(new SecurityManager());
+        TimeZone tz = TimeZone.getDefault();
+        if (!tzname.equals(tz.getID())) {
+            throw new RuntimeException("got " + tz.getID()
+                                       + ", expected " + tzname);
+        }
+    }
+}