在mobaxten上使用scala报错

查看报错信息

[ERROR] Failed to construct terminal; falling back to unsupported

java.io.IOException: Cannot run program "sh": CreateProcess error=2, 系统找不到指定的文件。

点击查看代码

  27/04/2024   18:52.17   /home/mobaxterm  scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 22.0.1).
Type in expressions for evaluation. Or try :help.
[ERROR] Failed to construct terminal; falling back to unsupported
java.io.IOException: Cannot run program "sh": CreateProcess error=2, 系统找不到指定的文件。
        at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1170)
        at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1089)
        at jline.internal.TerminalLineSettings.exec(TerminalLineSettings.java:308)
        at jline.internal.TerminalLineSettings.stty(TerminalLineSettings.java:282)
        at jline.internal.TerminalLineSettings.get(TerminalLineSettings.java:143)
        at jline.internal.TerminalLineSettings.<init>(TerminalLineSettings.java:108)
        at jline.internal.TerminalLineSettings.getSettings(TerminalLineSettings.java:123)
        at jline.UnixTerminal.<init>(UnixTerminal.java:60)
        at jline.UnixTerminal.<init>(UnixTerminal.java:50)
        at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
        at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:132)
        at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:259)
        at java.base/java.lang.Class.newInstance(Class.java:755)
        at jline.TerminalFactory.getFlavor(TerminalFactory.java:211)
        at jline.TerminalFactory.getFlavor(TerminalFactory.java:196)
        at jline.TerminalFactory.create(TerminalFactory.java:82)
        at jline.TerminalFactory.get(TerminalFactory.java:186)
        at jline.TerminalFactory.get(TerminalFactory.java:192)
        at jline.console.ConsoleReader.<init>(ConsoleReader.java:243)
        at jline.console.ConsoleReader.<init>(ConsoleReader.java:235)
        at jline.console.ConsoleReader.<init>(ConsoleReader.java:223)
        at scala.tools.nsc.interpreter.jline.JLineConsoleReader.<init>(JLineReader.scala:64)
        at scala.tools.nsc.interpreter.jline.InteractiveReader.<init>(JLineReader.scala:33)
        at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$scala$tools$nsc$interpreter$ILoop$$instantiater$1$1.apply(ILoop.scala:858)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$scala$tools$nsc$interpreter$ILoop$$instantiater$1$1.apply(ILoop.scala:855)
        at scala.tools.nsc.interpreter.ILoop.scala$tools$nsc$interpreter$ILoop$$mkReader$1(ILoop.scala:862)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$22$$anonfun$apply$10.apply(ILoop.scala:873)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$22$$anonfun$apply$10.apply(ILoop.scala:873)
        at scala.util.Try$.apply(Try.scala:192)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$22.apply(ILoop.scala:873)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$22.apply(ILoop.scala:873)
        at scala.collection.immutable.Stream.map(Stream.scala:418)
        at scala.tools.nsc.interpreter.ILoop.chooseReader(ILoop.scala:873)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1$$anonfun$newReader$1$1.apply(ILoop.scala:893)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.newReader$1(ILoop.scala:893)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.scala$tools$nsc$interpreter$ILoop$$anonfun$$preLoop$1(ILoop.scala:897)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1$$anonfun$startup$1$1.apply(ILoop.scala:964)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:990)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:891)
        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:891)
        at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97)
        at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:891)
        at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:74)
        at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87)
        at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98)
        at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)
        at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)
Caused by: java.io.IOException: CreateProcess error=2, 系统找不到指定的文件。
        at java.base/java.lang.ProcessImpl.create(Native Method)
        at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:500)
        at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:159)
        at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1126)
        ... 50 more
scala>

解决方法

在cmd后面加上 c:/

  27/04/2024   18:54.47   /home/mobaxterm  cmd c:/
Microsoft Windows [版本 10.0.22631.3447]
(c) Microsoft Corporation。保留所有权利。

C:\Users\hmmm\AppData\Local\Temp\Mxt222\tmp\home_hmmm>scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 22.0.1).
Type in expressions for evaluation. Or try :help.

scala> var x = 2+2
x: Int = 4

scala>   // 成功