Merge pull request #860 from akka/wip-2688-switch-to-s.c.u.unsafe-det…

…ection-√

#2688 - Switching to s.c.u.Unsafe.instance for akka.util.Unsafe.instance

akka-actor/src/main/scala/akka/util/Unsafe.java

@@ -5,27 +5,9 @@
 
 package akka.util;
 
-import java.lang.reflect.Field;
-
 /**
  * INTERNAL API
  */
 public final class Unsafe {
-    public final static sun.misc.Unsafe instance;
-    static {
-        try {
-            sun.misc.Unsafe found = null;
-            for(Field field : sun.misc.Unsafe.class.getDeclaredFields()) {
-              if (field.getType() == sun.misc.Unsafe.class) {
-                field.setAccessible(true);
-                found = (sun.misc.Unsafe) field.get(null);
-                break;
-              }
-            }
-            if (found == null) throw new IllegalStateException("Can't find instance of sun.misc.Unsafe");
-            else instance = found;
-        } catch(Throwable t) {
-          throw new ExceptionInInitializerError(t);
-        }
-    }
+    public final static sun.misc.Unsafe instance = scala.concurrent.util.Unsafe.instance;
 }