Compilation failed: error while loading AnnotatedElement, ConcurrentMap, CharSequence from Java 8 under Scala 2.10?

Question

I\'m using the following:

• Scala 2.10.4
• Scalatra 2.2.2
• sbt 0.13.0
• java 1.8.0
• casbah 2.7.2
• scalatra-sbt 0.3.5
<

Answer 1

I also got the same issue in Ubuntu 14.04 but I solved by removing the scala 2.10 and installing 2.11

wget www.scala-lang.org/files/archive/scala-2.11.7.deb

 

dpkg -i scala-2.11.7.deb

Now try.