From 8417376581d456ba48c235666927a268d4f7d795 Mon Sep 17 00:00:00 2001
From: Heng Sin Low <hengsin@gmail.com>
Date: Tue, 9 Jan 2007 14:14:58 +0000
Subject: [PATCH] * Check s_windows.size before calling clear

---
 dbPort/src/org/compiere/util/Env.java | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/dbPort/src/org/compiere/util/Env.java b/dbPort/src/org/compiere/util/Env.java
index 91151ba838..e429948061 100644
--- a/dbPort/src/org/compiere/util/Env.java
+++ b/dbPort/src/org/compiere/util/Env.java
@@ -98,12 +98,14 @@ public final class Env
 		}
 		**/
 		//bug [ 1574630 ]
-		if (!finalCall) {
-			Container c = s_windows.get(0);
-			s_windows.clear();
-			createWindowNo(c);
-		} else {
-			s_windows.clear();
+		if (s_windows.size() > 0) {
+			if (!finalCall) {
+				Container c = s_windows.get(0);
+				s_windows.clear();
+				createWindowNo(c);
+			} else {
+				s_windows.clear();
+			}
 		}
 
 		//	Clear all Context