missing station throws generic NPE

[tomdotorg]

When an IP-based station (Net232 in this case) is not available, the poller fails with:

tom@air:~/dev/git/java_for_weather$ ./pollVantagePro.sh
2012-12-28 07:25:59,148 ERROR org.tom.weather.comm.Main (main() - line 36) - java.lang.NullPointerException
2012-12-28 07:26:04,291 ERROR org.tom.weather.comm.Main (main() - line 36) - java.lang.NullPointerException

[hoevenvd]

Ok, will pick it up.