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我想在Heroku的测试模式下启动我的Play应用程序，这可能吗？ 我加入这个Procfile：是否有可能在Heroku上的测试模式下启动Play框架
web: play test --http.port=$PORT $PLAY_OPTS
但是当我启动服务器，我可以在Hereoku日志中看到这一点。
←[32m2012-01-15T19:11:04+00:00 heroku[web.1]:←[0m State changed from crashed to created
←[32m2012-01-15T19:11:04+00:00 heroku[web.1]:←[0m State changed from created to starting
←[32m2012-01-15T19:11:16+00:00 heroku[web.1]:←[0m Starting process with command `play test --http.port=19429 --%prod -Dprecompiled=true
`
←[32m2012-01-15T19:11:17+00:00 app[web.1]:←[0m Listening for transport dt_socket at address: 8000
←[32m2012-01-15T19:11:18+00:00 app[web.1]:←[0m 19:11:18,040 INFO ~ Starting /app
←[32m2012-01-15T19:11:18+00:00 heroku[web.1]:←[0m Error R11 (Bad bind) -> Process bound to port 8000, should be 19429 (see environment
variable PORT)
←[32m2012-01-15T19:11:18+00:00 heroku[web.1]:←[0m Stopping process with SIGKILL
←[32m2012-01-15T19:11:18+00:00 app[web.1]:←[0m 19:11:18,048 INFO ~ Module scala is available (/app/modules/scala-0.9.1)
←[32m2012-01-15T19:11:19+00:00 heroku[web.1]:←[0m State changed from starting to crashed
←[32m2012-01-15T19:11:19+00:00 heroku[web.1]:←[0m Process exited
我想这是因为游戏采用jpda.port = 8000默认和Heroku的使用默认参数崩溃。他们的文档根本不会评论测试模式，所以有人在Heroku的测试模式下成功开始玩游戏？我想我需要在proc文件中需要类似--jpda.port=$PORT2