在Intellij 14中运行specs2测试时出现java.lang.ClassNotFoundException: IntegrationSpec错误

Question

我的做法是:

1. 安装Intellij 14（也可以是Intellij 13，但问题相同）
2. 为Intellij安装Scala 1.0插件（支持Scala、SBT、SSP、HOCON和Play 2）。
3. 创建一个新的Play 2.x项目
4. 从Intellij 14运行该项目（通过localhost:9000打开成功）
5. 运行默认测试（ApplicationSpec、IntegrationSpec）时出现下面的错误信息，导致无法运行。

为什么运行默认测试时test-classes不会生成？

配置有问题吗（请参见http://prntscr.com/53nk41和http://prntscr.com/53nkj7）？

感谢任何建议！

错误信息：

Testing started at 18:31 ...
java.lang.ClassNotFoundException: IntegrationSpec
java.net.URLClassLoader$1.run(URLClassLoader.java:372)
java.net.URLClassLoader$1.run(URLClassLoader.java:361)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(URLClassLoader.java:360)
java.lang.ClassLoader.loadClass(ClassLoader.java:424)
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
java.lang.ClassLoader.loadClass(ClassLoader.java:357)
org.specs2.reflect.Classes$class.loadClassOf(Classes.scala:206)
org.specs2.reflect.Classes$.loadClassOf(Classes.scala:213)
org.specs2.reflect.Classes$$anonfun$loadClassEither$1.apply(Classes.scala:197)
org.specs2.reflect.Classes$$anonfun$loadClassEither$1.apply(Classes.scala:197)
org.specs2.control.Exceptions$class.trye(Exceptions.scala:92)
org.specs2.control.Exceptions$.trye(Exceptions.scala:108)
org.specs2.reflect.Classes$class.loadClassEither(Classes.scala:197)
org.specs2.reflect.Classes$.loadClassEither(Classes.scala:213)
org.specs2.reflect.Classes$class.tryToCreateObjectEither(Classes.scala:90)
org.specs2.reflect.Classes$.tryToCreateObjectEither(Classes.scala:213)
org.specs2.reflect.Classes$class.tryToCreateObject(Classes.scala:70)
org.specs2.reflect.Classes$.tryToCreateObject(Classes.scala:213)
org.specs2.specification.SpecificationStructure$$anonfun$createSpecificationOption$1.apply(BaseSpecification.scala:107)
org.specs2.specification.SpecificationStructure$$anonfun$createSpecificationOption$1.apply(BaseSpecification.scala:107)
scala.Option.orElse(Option.scala:257)
org.specs2.specification.SpecificationStructure$.createSpecificationOption(BaseSpecification.scala:107)
org.specs2.specification.SpecificationStructure$.createSpecification(BaseSpecification.scala:94)
org.specs2.runner.ClassRunner.createSpecification(ClassRunner.scala:64)
org.specs2.runner.ClassRunner.start(ClassRunner.scala:35)
org.specs2.runner.NotifierRunner.start(NotifierRunner.scala:25)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
org.jetbrains.plugins.scala.testingSupport.specs2.JavaSpecs2Runner.runSingleTest(JavaSpecs2Runner.java:92)
org.jetbrains.plugins.scala.testingSupport.specs2.JavaSpecs2Runner.main(JavaSpecs2Runner.java:68)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
can not create specification: IntegrationSpec
java.lang.ClassNotFoundException: ApplicationSpec
java.net.URLClassLoader$1.run(URLClassLoader.java:372)
java.net.URLClassLoader$1.run(URLClassLoader.java:361)
java.security.AccessController.doPrivileged(Native Method)
java.net.URLClassLoader.findClass(URLClassLoader.java:360)
java.lang.ClassLoader.loadClass(ClassLoader.java:424)
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
java.lang.ClassLoader.loadClass(ClassLoader.java:357)
org.specs2.reflect.Classes$class.loadClassOf(Classes.scala:206)
org.specs2.reflect.Classes$.loadClassOf(Classes.scala:213)
org.specs2.reflect.Classes$$anonfun$loadClassEither$1.apply(Classes.scala:197)
org.specs2.reflect.Classes$$anonfun$loadClassEither$1.apply(Classes.scala:197)
org.specs2.control.Exceptions$class.trye(Exceptions.scala:92)
org.specs2.control.Exceptions$.trye(Exceptions.scala:108)
org.specs2.reflect.Classes$class.loadClassEither(Classes.scala:197)
org.specs2.reflect.Classes$.loadClassEither(Classes.scala:213)
org.specs2.reflect.Classes$class.tryToCreateObjectEither(Classes.scala:90)
org.specs2.reflect.Classes$.tryToCreateObjectEither(Classes.scala:213)
org.specs2.reflect.Classes$class.tryToCreateObject(Classes.scala:70)
org.specs2.reflect.Classes$.tryToCreateObject(Classes.scala:213)
org.specs2.specification.SpecificationStructure$$anonfun$createSpecificationOption$1.apply(BaseSpecification.scala:107)
org.specs2.specification.SpecificationStructure$$anonfun$createSpecificationOption$1.apply(BaseSpecification.scala:107)
scala.Option.orElse(Option.scala:257)
org.specs2.specification.SpecificationStructure$.createSpecificationOption(BaseSpecification.scala:107)
org.specs2.specification.SpecificationStructure$.createSpecification(BaseSpecification.scala:94)
org.specs2.runner.ClassRunner.createSpecification(ClassRunner.scala:64)
org.specs2.runner.ClassRunner.start(ClassRunner.scala:35)
org.specs2.runner.NotifierRunner.start(NotifierRunner.scala:25)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
org.jetbrains.plugins.scala.testingSupport.specs2.JavaSpecs2Runner.runSingleTest(JavaSpecs2Runner.java:92)
org.jetbrains.plugins.scala.testingSupport.specs2.JavaSpecs2Runner.main(JavaSpecs2Runner.java:68)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
can not create specification: ApplicationSpec
Process finished with exit code 0

- Rdey

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一样的问题。同样是IntelliJ，同样的错误。 - Chris Beach

相信这个问题现在已经解决了。请查看下面的答案。 - Chris Beach

是的，它已经解决了 :) - Rdey

@Rdey，你是怎么解决的？更新了插件版本吗？是哪一个版本？ - Paul Draper

您IP地址为143.198.54.68，由于运营成本限制，当前对于免费用户的使用频率限制为每个IP每72小时10次对话，如需解除限制，请点击左下角设置图标按钮（手机用户先点击左上角菜单按钮）。 - Rdey

Answer 1

这个问题已在IntelliJ Scala插件的1.1.2版本中解决，截止日期为11月21日。

https://plugins.jetbrains.com/update/index?pr=&updateId=17896

- Chris Beach

---

Scala的支持可能不是最好的（甚至scalac对Scala的支持也不是很好），但我还没有找到比它更好的Scala集成开发环境。 - Paul Draper