This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I had the same problem in my previous project, where I had to start a server, the spawn did not work.. I had a simple work around, I had a shell script that would run the process, all my ant script did was to execute this shell scripts