From dede5bd506b9857c2a4f811377e8f2bf57de078e Mon Sep 17 00:00:00 2001
From: igorpojzl <59439434+igorpojzl@users.noreply.github.com>
Date: Fri, 18 Sep 2020 15:38:15 +0200
Subject: [PATCH] IDEMPIERE-4442 FIX NPE when locatorField is Empty (#260)

---
 .../WEB-INF/src/org/adempiere/webui/window/WLocatorDialog.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WLocatorDialog.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WLocatorDialog.java
index 6bd254dc4b..5b0f48ac12 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WLocatorDialog.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WLocatorDialog.java
@@ -659,7 +659,8 @@ public class WLocatorDialog extends Window implements EventListener<Event>
 		if (m_change)
 		{
 			Integer locator_id = (Integer) locatorField.getValue();
-			return locator_id == m_M_Locator_ID;
+			if(locator_id != null)
+				return locator_id == m_M_Locator_ID;
 		}
 		return m_change;
 	} // getChange