From f84a12bfbba20d043800fb8b4af9b2bcf79f9d27 Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Sat, 26 Mar 2011 18:22:27 +0000
Subject: Added some explanatory output when jline reader...

Added some explanatory output when jline reader fails to create. No
review.
---
 src/compiler/scala/tools/nsc/interpreter/ILoop.scala | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/compiler/scala/tools/nsc/interpreter/ILoop.scala b/src/compiler/scala/tools/nsc/interpreter/ILoop.scala
index 584b8867b2..e2214d363e 100644
--- a/src/compiler/scala/tools/nsc/interpreter/ILoop.scala
+++ b/src/compiler/scala/tools/nsc/interpreter/ILoop.scala
@@ -696,7 +696,10 @@ class ILoop(in0: Option[BufferedReader], protected val out: PrintWriter)
       else new JLineCompletion(intp)
     )
     catch {
-      case _: Exception | _: NoClassDefFoundError => SimpleReader()
+      case ex @ (_: Exception | _: NoClassDefFoundError) =>
+        out.println("Failed to created JLineReader: " + ex)
+        out.println("Falling back to SimpleReader.")
+        SimpleReader()
     }
   }
 
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