It builds fine, but when netbeans tries to start the emulator, the following error occurs:
\'Blackberry\' is not recognized as an internal or external
add the path to your executable to your system path variable .
it will look at those path while executing any executable if executable found from any of those path it OR from current dir it will execute otherwise it will throw the same error.
For Linux you have
PATH=$PATH:/home/user/path/to/executable
for windows you will have something like ,edit it. follow this tutorial for more info