apduToolTask cannot be found

i am new to java card platform and presently i am using java card classic edition v 3.0.1 and when i am using Apache ANT command - ant all to build the build.xml file, i am getting the following error:

c:\java\java_card_kit-2_2_2\samples\build.xml:17: taskdef class com.sun.javacard.ant.tasks.APDUToolTask cannot be found

I've already followed the instructions to the point where it asks me to setup the System path of ANT a开发者_如何学编程s well. I'm using ANT 1.8.1.

can someone please help.

Regards,

Continue by following instructions from next sections "Installing the Ant Tasks" and "Library Dependencies" from java_card_kit-2_2_2-windows.zip\java_card_kit-2_2_2\java_card_kit-2_2_2-rr-ant-tasks.zip\ant-tasks\docs\pdf\ant-user-guide.pdf, pages 4-5.