JDK : JDK 1.3.1_20, 1.3.1_21
Platform : Windows XP x86
testbase : /net/vice.russia/export/home0/testsuites/1.3.1/dnd/

This is not a regression since 1.3.1_20

In drag and drop testsuite all tests passed but in stderr output i see this:

java version "1.3.1_21"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1_21-b01)
Java HotSpot(TM) Client VM (build 1.3.1_21-b01, mixed mode)
Note: Some input files use or override a deprecated API.
Note: Recompile with -deprecation for details.
Exception occurred during event dispatching:
java.lang.NullPointerException
at javax.swing.plaf.metal.MetalScrollBarUI.paintThumb(MetalScrollBarUI.java:240)
at javax.swing.plaf.basic.BasicScrollBarUI.paint(BasicScrollBarUI.java:273)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:34)
at javax.swing.JComponent.paintComponent(JComponent.java:390)
at javax.swing.JComponent.paint(JComponent.java:682)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintWithBuffer(JComponent.java:3873)
at javax.swing.JComponent._paintImmediately(JComponent.java:3816)
at javax.swing.JComponent.paintImmediately(JComponent.java:3667)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:370)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:119)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:149)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:332)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
Exception occurred during event dispatching:
java.lang.NullPointerException
at javax.swing.plaf.metal.MetalScrollBarUI.paintThumb(MetalScrollBarUI.java:240)
at javax.swing.plaf.basic.BasicScrollBarUI.paint(BasicScrollBarUI.java:273)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:34)
at javax.swing.JComponent.paintComponent(JComponent.java:390)
at javax.swing.JComponent.paint(JComponent.java:682)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintWithBuffer(JComponent.java:3873)
at javax.swing.JComponent._paintImmediately(JComponent.java:3816)
at javax.swing.JComponent.paintImmediately(JComponent.java:3667)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:370)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:119)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:149)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:332)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
[Target] drop
[Target] Data flavors received:
   application/x-java-serialized-object; class=java.lang.String
   application/x-java-serialized-object; class=java.lang.String
   text/plain; class=java.io.InputStream
   text/plain; class=java.io.InputStream; charset=utf-16le
   text/plain; class=java.io.InputStream; charset=Unicode
   text/plain; class=java.io.InputStream; charset=us-ascii
   text/plain; class=java.io.InputStream; charset=ascii
   text/plain; class=java.io.InputStream; charset=iso8859-1
[Target] Selected data flavor:
    application/x-java-serialized-object; class=java.lang.String
Exception occurred during event dispatching:
java.lang.NullPointerException
at javax.swing.plaf.metal.MetalScrollBarUI.paintThumb(MetalScrollBarUI.java:240)
at javax.swing.plaf.basic.BasicScrollBarUI.paint(BasicScrollBarUI.java:273)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:34)
at javax.swing.JComponent.paintComponent(JComponent.java:390)
at javax.swing.JComponent.paint(JComponent.java:682)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintChildren(JComponent.java:493)
at javax.swing.JComponent.paint(JComponent.java:691)
at javax.swing.JComponent.paintWithBuffer(JComponent.java:3873)
at javax.swing.JComponent._paintImmediately(JComponent.java:3816)
at javax.swing.JComponent.paintImmediately(JComponent.java:3667)
at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:370)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:119)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:149)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:332)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:126)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:88)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:80)
[Target] drop