Failed to construct terminal; falling back to unsupported java.lang.NumberFormatException: For input

在启动scala时报以下错误

Welcome to Scala 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_181).
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.(UnixTerminal.java:65)
	at jline.UnixTerminal.(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.(ConsoleReader.java:243)
	at jline.console.ConsoleReader.(ConsoleReader.java:235)
	at jline.console.ConsoleReader.(ConsoleReader.java:223)
	at scala.tools.nsc.interpreter.jline.JLineConsoleReader.(JLineReader.scala:64)
	at scala.tools.nsc.interpreter.jline.InteractiveReader.(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)

虽然报错，但不影响scala使用。然后看着难受，经过查找，找到解决方法
修改/etc/profile，添加以下配置

export TERM=xterm-color

详情：https://blog.csdn.net/lzw2016/article/details/86618570