--- a/jdk/src/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java	Tue Feb 18 09:49:36 2014 +0400
+++ b/jdk/src/macosx/classes/sun/lwawt/macosx/CDragSourceContextPeer.java	Tue Feb 18 16:30:57 2014 +0400
@@ -141,7 +141,7 @@
             // Create native dragging source:
             final long nativeDragSource = createNativeDragSource(component, nativeViewPtr, transferable, triggerEvent,
                 (int) (dragOrigin.getX()), (int) (dragOrigin.getY()), extModifiers,
-                clickCount, timestamp, fDragCImage, dragImageOffset.x, dragImageOffset.y,
+                clickCount, timestamp, fDragCImage != null ? fDragCImage.ptr : 0L, dragImageOffset.x, dragImageOffset.y,
                 getDragSourceContext().getSourceActions(), formats, formatMap);
 
             if (nativeDragSource == 0)
@@ -484,7 +484,7 @@
     // Native support:
     private native long createNativeDragSource(Component component, long nativePeer, Transferable transferable,
         InputEvent triggerEvent, int dragPosX, int dragPosY, int extModifiers, int clickCount, long timestamp,
-        CImage nsDragImage, int dragImageOffsetX, int dragImageOffsetY,
+        long nsDragImagePtr, int dragImageOffsetX, int dragImageOffsetY,
         int sourceActions, long[] formats, Map formatMap);
 
     private native void doDragging(long nativeDragSource);

--- a/jdk/src/macosx/native/sun/awt/CDragSource.h	Tue Feb 18 09:49:36 2014 +0400
+++ b/jdk/src/macosx/native/sun/awt/CDragSource.h	Tue Feb 18 16:30:57 2014 +0400
@@ -70,7 +70,7 @@
          modifiers:(jint)extModifiers
         clickCount:(jint)clickCount
          timeStamp:(jlong)timeStamp
-         dragImage:(jobject)jDragImage
+         dragImage:(jlong)nsDragImagePtr
   dragImageOffsetX:(jint)jDragImageOffsetX
   dragImageOffsetY:(jint)jDragImageOffsetY
      sourceActions:(jint)jSourceActions

--- a/jdk/src/macosx/native/sun/awt/CDragSource.m	Tue Feb 18 09:49:36 2014 +0400
+++ b/jdk/src/macosx/native/sun/awt/CDragSource.m	Tue Feb 18 16:30:57 2014 +0400
@@ -97,7 +97,7 @@
          modifiers:(jint)extModifiers
         clickCount:(jint)clickCount
          timeStamp:(jlong)timeStamp
-         dragImage:(jobject)jDragImage
+         dragImage:(jlong)nsDragImagePtr
   dragImageOffsetX:(jint)jDragImageOffsetX
   dragImageOffsetY:(jint)jDragImageOffsetY
      sourceActions:(jint)jSourceActions
@@ -112,26 +112,21 @@
 
     // Construct the object if we have a valid model for it:
     if (control != nil) {
-        JNIEnv *env = [ThreadUtilities getJNIEnv];
-        fComponent = JNFNewGlobalRef(env, jComponent);
-        fDragSourceContextPeer = JNFNewGlobalRef(env, jDragSourceContextPeer);
+        fComponent = jComponent;
+        fDragSourceContextPeer = jDragSourceContextPeer;
+        fTransferable = jTransferable;
+        fTriggerEvent = jTrigger;
 
-        fTransferable = JNFNewGlobalRef(env, jTransferable);
-        fTriggerEvent = JNFNewGlobalRef(env, jTrigger);
-
-        if (jDragImage) {
-            JNF_MEMBER_CACHE(nsImagePtr, CImageClass, "ptr", "J");
-            jlong imgPtr = JNFGetLongField(env, jDragImage, nsImagePtr);
-            fDragImage = (NSImage*) jlong_to_ptr(imgPtr); // Double-casting prevents compiler 'd$|//
-
+        if (nsDragImagePtr) {
+            fDragImage = (NSImage*) jlong_to_ptr(nsDragImagePtr);
             [fDragImage retain];
         }
 
         fDragImageOffset = NSMakePoint(jDragImageOffsetX, jDragImageOffsetY);
 
         fSourceActions = jSourceActions;
-        fFormats = JNFNewGlobalRef(env, jFormats);
-        fFormatMap = JNFNewGlobalRef(env, jFormatMap);
+        fFormats = jFormats;
+        fFormatMap = jFormatMap;
 
         fTriggerEventTimeStamp = timeStamp;
         fDragPos = NSMakePoint(dragPosX, dragPosY);

--- a/jdk/src/macosx/native/sun/awt/CDragSourceContextPeer.m	Tue Feb 18 09:49:36 2014 +0400
+++ b/jdk/src/macosx/native/sun/awt/CDragSourceContextPeer.m	Tue Feb 18 16:30:57 2014 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2014, 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
@@ -40,30 +40,39 @@
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDragSourceContextPeer_createNativeDragSource
   (JNIEnv *env, jobject jthis, jobject jcomponent, jlong jnativepeer, jobject jtransferable,
    jobject jtrigger, jint jdragposx, jint jdragposy, jint jextmodifiers, jint jclickcount, jlong jtimestamp,
-   jobject jnsdragimage, jint jdragimageoffsetx, jint jdragimageoffsety,
+   jlong nsdragimageptr, jint jdragimageoffsetx, jint jdragimageoffsety,
    jint jsourceactions, jlongArray jformats, jobject jformatmap)
 {
     id controlObj = (id) jlong_to_ptr(jnativepeer);
     __block CDragSource* dragSource = nil;
 
 JNF_COCOA_ENTER(env);
+
+    // Global references are disposed when the DragSource is removed
+    jobject gComponent = JNFNewGlobalRef(env, jcomponent);
+    jobject gDragSourceContextPeer = JNFNewGlobalRef(env, jthis);
+    jobject gTransferable = JNFNewGlobalRef(env, jtransferable);
+    jobject gTriggerEvent = JNFNewGlobalRef(env, jtrigger);
+    jlongArray gFormats = JNFNewGlobalRef(env, jformats);
+    jobject gFormatMap = JNFNewGlobalRef(env, jformatmap);
+
     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
-        dragSource = [[CDragSource alloc] init:jthis
-                                     component:jcomponent
+        dragSource = [[CDragSource alloc] init:gDragSourceContextPeer
+                                     component:gComponent
                                        control:controlObj
-                                  transferable:jtransferable
-                                  triggerEvent:jtrigger
+                                  transferable:gTransferable
+                                  triggerEvent:gTriggerEvent
                                       dragPosX:jdragposx
                                       dragPosY:jdragposy
                                      modifiers:jextmodifiers
                                     clickCount:jclickcount
                                      timeStamp:jtimestamp
-                                     dragImage:jnsdragimage
+                                     dragImage:nsdragimageptr
                               dragImageOffsetX:jdragimageoffsetx
                               dragImageOffsetY:jdragimageoffsety
                                  sourceActions:jsourceactions
-                                       formats:jformats
-                                     formatMap:jformatmap];
+                                       formats:gFormats
+                                     formatMap:gFormatMap];
     }];
 JNF_COCOA_EXIT(env);