From a41ecd0f2033eedcc50ba1e2ee2f3f56a19d8f91 Mon Sep 17 00:00:00 2001
From: Conor MacNeill <conor@apache.org>
Date: Mon, 2 Feb 2004 14:46:52 +0000
Subject: [PATCH] Handle unexpanded properties in Windows CLASSPATHS

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275998 13f79535-47bb-0310-9956-ffa450edef68
---
 src/main/org/apache/tools/ant/launch/Launcher.java | 7 ++++++-
 1 file changed, 6 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 b23fe1d8d..06103f1b5 100644
--- a/src/main/org/apache/tools/ant/launch/Launcher.java
+++ b/src/main/org/apache/tools/ant/launch/Launcher.java
@@ -153,7 +153,12 @@ public class Launcher {
             StringTokenizer myTokenizer
                 = new StringTokenizer(libPath, System.getProperty("path.separator"));
             while (myTokenizer.hasMoreElements()) {
-                File element = new File(myTokenizer.nextToken());
+                String elementName = myTokenizer.nextToken();
+                File element = new File(elementName);
+                if (elementName.startsWith("%") && elementName.endsWith("%") 
+                    && !element.exists()) {
+                    continue;
+                }
                 if (element.isDirectory()) {
                     // add any jars in the directory
                     URL[] dirURLs = Locator.getLocationURLs(element);