scala终端启动报错：[ERROR] Failed to construct terminal; falling back to unsupported

MBP本机安装的是scala 2.11.12，通过命令行启动scala报错如下

报错之后，scala还是能启动

[@wooluwakerdeMBP:2.11.12]$ scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_231).
Type in expressions for evaluation. Or try :help.
[ERROR] Failed to construct terminal; falling back to unsupported
java.lang.NumberFormatException: For input string: "0x100"
    at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
    at java.lang.Integer.parseInt(Integer.java:580)
    at java.lang.Integer.valueOf(Integer.java:766)
    at jline.internal.InfoCmp.parseInfoCmp(InfoCmp.java:59)
    at jline.UnixTerminal.parseInfoCmp(UnixTerminal.java:242)
    at jline.UnixTerminal.<init>(UnixTerminal.java:65)
    at jline.UnixTerminal.<init>(UnixTerminal.java:50)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at java.lang.Class.newInstance(Class.java:442)
    at jline.TerminalFactory.getFlavor(TerminalFactory.java:211)
    at jline.TerminalFactory.create(TerminalFactory.java:102)
    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 sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    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)

scala> 

解决方案：修改 ~/.bash_profile， 添加 添加： export TERM=xterm-color

[@wooluwakerdeMBP:2.11.12]$ vim ~/.bash_profile
[@wooluwakerdeMBP:2.11.12]$ source ~/.bash_profile
[@wooluwakerdeMBP:2.11.12]$ scala
Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_231).
Type in expressions for evaluation. Or try :help.

scala>

原文地址：https://www.cnblogs.com/wooluwalker/p/12246057.html

时间： 2024-11-08 18:04:45

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