More repl hardening, and a new jline jar which ...

More repl hardening, and a new jline jar which fixes a paste issue on
OSX. No review.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/compiler/scala/tools/nsc/Interpreter.scala b/src/compiler/scala/tools/nsc/Interpreter.scala
index f9eddd2eda..44dd0698d1 100644
--- a/src/compiler/scala/tools/nsc/Interpreter.scala
+++ b/src/compiler/scala/tools/nsc/Interpreter.scala
@@ -122,11 +122,19 @@ class Interpreter(val settings: Settings, out: PrintWriter) {
       true
     }
     catch {
-      case MissingRequirementError(msg) => println("""
+      case x: AbstractMethodError =>
+        println("""
+          |Failed to initialize compiler: abstract method error.
+          |This is most often remedied by a full clean and recompile.
+          |""".stripMargin
+        )
+        x.printStackTrace()
+        false
+      case x: MissingRequirementError => println("""
         |Failed to initialize compiler: %s 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 programatically, settings.usejavacp.value = true.""".stripMargin.format(msg)
+        |** object programatically, settings.usejavacp.value = true.""".stripMargin.format(x.req)
       )
       false
     }