尝试通过scala插件在IDEA中使用scala:
我的HelloWorld对象:
object HelloWorld {
def main(args: Array[String]) {
println("Hello")
}
}
而有时我从上下文菜单中按下“运行的HelloWorld”当得到一个错误。
scalac: Error: Could not find an output directory for /Users/username/Work/src/sandbox/src/HelloWorld.scala in List((/Users/username/work/src/sandbox/src,/Users/username/work/src/sandbox/out/production/sandbox))
scala.reflect.internal.FatalError: Could not find an output directory for /Users/username/Work/src/sandbox/src/HelloWorld.scala in List((/Users/username
/work/src/sandbox/src,/Users/username/work/src/sandbox/out/production/sandbox))
at scala.tools.nsc.settings.MutableSettings$OutputDirs.outputDirFor(MutableSettings.scala:303)
at scala.tools.nsc.backend.jvm.BytecodeWriters$class.outputDirectory(BytecodeWriters.scala:26)
at scala.tools.nsc.backend.jvm.BytecodeWriters$class.scala$tools$nsc$backend$jvm$BytecodeWriters$$getFile(BytecodeWriters.scala:37)
at scala.tools.nsc.backend.jvm.BytecodeWriters$ClassBytecodeWriter$class.writeClass(BytecodeWriters.scala:89)
at scala.tools.nsc.backend.jvm.GenASM$AsmPhase$$anon$4.writeClass(GenASM.scala:67)
at scala.tools.nsc.backend.jvm.GenASM$JBuilder.writeIfNotTooBig(GenASM.scala:458)
at scala.tools.nsc.backend.jvm.GenASM$JMirrorBuilder.genMirrorClass(GenASM.scala:2954)
at scala.tools.nsc.backend.jvm.GenASM$AsmPhase.run(GenASM.scala:113)
at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1583)
at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1557)
at scala.tools.nsc.Global$Run.compileSources(Global.scala:1553)
at scala.tools.nsc.Global$Run.compile(Global.scala:1662)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:126)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:102)
at xsbt.CompilerInterface.run(CompilerInterface.scala:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:102)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:48)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41)
at org.jetbrains.jps.incremental.scala.local.IdeaIncrementalCompiler.compile(IdeaIncrementalCompiler.scala:26)
at org.jetbrains.jps.incremental.scala.local.LocalServer.compile(LocalServer.scala:25)
at org.jetbrains.jps.incremental.scala.remote.Main$.make(Main.scala:58)
at org.jetbrains.jps.incremental.scala.remote.Main$.nailMain(Main.scala:21)
at org.jetbrains.jps.incremental.scala.remote.Main.nailMain(Main.scala)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.martiansoftware.nailgun.NGSession.run(NGSession.java:319)
这个错误非常令人讨厌,因为要修复它,我需要重新启动IDEA,清理/编译我的项目,添加/删除启动配置几次。此外,可以从终端手动执行来自错误的命令行。
查看错误注释:
找不到以下
用户的输出目录:/ Users / username / Work /src/sandbox/src/HelloWorld.scala在
- /用户/用户名/工作/ src / sandbox / src
- /用户/用户名/工作/ src / sandbox / out / production / sandbox
根据环境的不同,您在运行IntelliJ时的大小写会有所不同。请确保您的user.home属性设置正确。
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