$ start -Dhttp.port=9998 -Dpidfile.path=/path/to/app1/pidfile
$ start -Dhttp.port=9999 -Dpidfile.path=/path/to/app2/pidfile

只需确保传递给每个应用程序的两个pidfile路径都是d ifferent。

Just make sure the two pidfile paths that you pass to each app are different.

这里记录了：

http://www.playframework.com/documentation/2.2.x/ProductionConfiguration