--- old/src/java.desktop/macosx/native/libawt_lwawt/awt/CGraphicsEnv.m	2016-05-05 10:45:44.000000000 +0300
+++ new/src/java.desktop/macosx/native/libawt_lwawt/awt/CGraphicsEnv.m	2016-05-05 10:45:44.000000000 +0300
@@ -127,6 +127,7 @@
                     jc_CGraphicsEnvironment, "_displayReconfiguration","(IZ)V");
             JNFCallVoidMethod(env, graphicsEnv, jm_displayReconfiguration,
                     (jint) display, (jboolean) flags & kCGDisplayRemoveFlag);
+            (*env)->DeleteLocalRef(env, graphicsEnv);
         });
     }];
 }