shear(1.0,1.0) of image throws ImagingOpException

I'm shearing an image repetitively, when (sx=1.0 & sy=1.0) and (sx=1.05 & sy=1.05) this exception is thrown :

Exception occurred during event dispatching:
java.awt.image.ImagingOpException: Unable to transform src image
        at java.awt.image.BilinearAffineTransformOp.filter(BilinearAffineTransformOp.java:65)
        at sun.java2d.SunGraphics2D.transformBufferedImage(SunGraphics2D.java:1750)
        at sun.java2d.SunGraphics2D.renderingPipeImage(SunGraphics2D.java:1874)
        at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:1395)
        at sun.awt.image.BufferedImageGraphics2D.drawImage(BufferedImageGraphics2D.java:309)
        at sun.awt.image.TransformedGraphicsObserver.drawImage(TransformedGraphicsObserver.java:43)
        at sun.awt.image.ImageRepresentation.drawToBufImage(ImageRepresentation.java:647)
        at sun.awt.image.BufferedImageGraphics2D.drawImage(BufferedImageGraphics2D.java:326)
        at tests.transforms.shear.update(shear.java:55)
        at java.awt.Component.dispatchEventImpl(Component.java:1880)
        at java.awt.Component.dispatchEvent(Component.java:1837)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:45)

To reproduce the problem run the TestProduct :

cd /home/lichtenw/JavaMedia/2d/TestProduct
runnit

Select the transforms/shear test.

java full version "thanh:11/09/97-21:36"