Details
Description
According to description of method IIOServiceProvider.onDeregistration [0], the default implementation should does nothing, rather than throwing out a NotImplementedExcetpion.
[0] - http://java.sun.com/j2se/1.4.2/docs/api/javax/imageio/spi/IIOServiceProvider.html#onDeregistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)