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我正在尝试运行Scala Play!项目,我已经安装了jdk 9。我试图用starter项目和sbt两种方式创建项目。 sbt编译工作正常,但sbt运行引发异常。正在玩一玩!使用新的sbt和jdk项目9
我从网上下载http://developer.lightbend.com/start/?group=play这个页面play-scala-start-example.zip,将它解压缩的文件夹中,然后cd到该文件夹,运行SBT给了我以下错误:
java.lang.NumberFormatException: Not a version: 9
at scala.util.PropertiesTrait$class.parts$1(Properties.scala:176)
at scala.util.PropertiesTrait$class.isJavaAtLeast(Properties.scala:180)
at scala.util.Properties$.isJavaAtLeast(Properties.scala:16)
at play.dev.filewatch.FileWatchService$$anon$1.delegate$lzycompute(FileWatchService.scala:68)
at play.dev.filewatch.FileWatchService$$anon$1.delegate(FileWatchService.scala:66)
at play.dev.filewatch.FileWatchService$$anon$1.watch(FileWatchService.scala:79)
at play.runsupport.Reloader.<init>(Reloader.scala:359)
at play.runsupport.Reloader$.reloader$lzycompute$1(Reloader.scala:220)
at play.runsupport.Reloader$.play$runsupport$Reloader$$reloader$1(Reloader.scala:220)
at play.runsupport.Reloader$.startDevMode(Reloader.scala:230)
at play.sbt.run.PlayRun$$anonfun$playRunTask$1$$anonfun$apply$2$$anonfun$apply$3.devModeServer$lzycompute$1(PlayRun.scala:77)
at play.sbt.run.PlayRun$$anonfun$playRunTask$1$$anonfun$apply$2$$anonfun$apply$3.play$sbt$run$PlayRun$$anonfun$$anonfun$$anonfun$$devModeServer$1(PlayRun.scala:77)
at play.sbt.run.PlayRun$$anonfun$playRunTask$1$$anonfun$apply$2$$anonfun$apply$3.apply(PlayRun.scala:100)
at play.sbt.run.PlayRun$$anonfun$playRunTask$1$$anonfun$apply$2$$anonfun$apply$3.apply(PlayRun.scala:63)
at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
[trace] Stack trace suppressed: run last compile:run for the full output.
[error] (compile:run) java.lang.NumberFormatException: Not a version: 9
解决:它与我之前安装的jdk 1.8.0_121完美配合。
正式的先决条件表明Java 8:https://www.playframework.com/documentation/2.6.x/Installing#Prerequisites – cchantep
是的,我安装所需的软件时速度太快,我的坏 – jerome