[Tinyos-help] Java Problems

Hello Everyone,   i tried to compile the application "RadioCountToLeds" using $ make micaz sim.   i got 13 errors showing from java .. please guide me to solve this.. -- $

[Tinyos-help] make micaz sim error

hi everyone,   I am new to tinyos. i followed the installation wiki for tinyos 2.1 through cygwin and rpm. on doing "make micaz sim" i got the error:   unknown target micaz Known target for tinyos directory /opt/tinyos-2.x/tos and the specified directories are: none. make: *** [sim-exe] error 2