From 8c4315b93e58dec797a24f45b42887f0ac77936b Mon Sep 17 00:00:00 2001
From: Conor MacNeill <conor@apache.org>
Date: Thu, 12 Aug 2004 14:44:00 +0000
Subject: [PATCH] Merge

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276773 13f79535-47bb-0310-9956-ffa450edef68
---
 src/main/org/apache/tools/ant/launch/Launcher.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/org/apache/tools/ant/launch/Launcher.java b/src/main/org/apache/tools/ant/launch/Launcher.java
index 80a9c4392..03acf21ca 100644
--- a/src/main/org/apache/tools/ant/launch/Launcher.java
+++ b/src/main/org/apache/tools/ant/launch/Launcher.java
@@ -195,7 +195,13 @@ public class Launcher {
             AntMain main = (AntMain) mainClass.newInstance();
             main.startAnt(newArgs, null, null);
         } catch (Throwable t) {
-            t.printStackTrace();
+            if (t instanceof InstantiationException) {
+                InstantiationException ie = (InstantiationException) t;
+                System.err.println("Instantiation Exception - root cause:");
+                ie.getCause().printStackTrace();
+            } else {
+                t.printStackTrace();
+            }
         }
     }
 }