=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/appmanager/App.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/appmanager/App.java	2013-10-09 17:31:36 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/appmanager/App.java	2013-10-13 09:06:48 +0000
@@ -93,7 +93,12 @@
     @JsonProperty
     public String getLaunchUrl()
     {
-        return getBaseUrl() + File.separator + getFolderName() + File.separator + getLaunchPath();
+        if ( baseUrl != null && folderName != null && launchPath != null )
+        {
+            return baseUrl + File.separator + folderName + File.separator + launchPath;
+        }
+        
+        return null;
     }
     
     public String getVersion()