在Ubuntu 16.04上，我安装了scala：
$ls ~/Binary/scala-2.11.8
bin doc lib man
$grep -A 2 SCALA ~/.bashrc
SCALA=~/Binary/scala-2.11.8
SBT=~/Binary/sbt
export PATH=$PATH:$SCALA/bin:$SBT/bin
随着openjdk8安装，scala打开REPL时失败：
$javac -version
javac 1.8.0_91
$
$scala
Welcome to Scala 2.11.8 (OpenJDK 64-Bit Server VM, Java 9-internal).
Type in expressions for evaluation. Or try :help.
scala>
Failed to initialize compiler: object java.lang.Object in compiler mirror not found.
** Note that as of 2.8 scala does not assume use of the java classpath.
** For the old behavior pass -usejavacp to scala, or if using a Settings
** object programmatically, settings.usejavacp.value = true.
Failed to initialize compiler: object java.lang.Object in compiler mirror not found.
** Note that as of 2.8 scala does not assume use of the java classpath.
** For the old behavior pass -usejavacp to scala, or if using a Settings
** object programmatically, settings.usejavacp.value = true.
我该如何解决？
使用Java 8版本的OpenJDK为我解决了此问题。
sudo update-alternatives --config java
sudo update-alternatives --config javac
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