=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/expression/Expression.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/expression/Expression.java	2014-08-26 10:51:19 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/expression/Expression.java	2014-08-27 09:20:22 +0000
@@ -28,6 +28,18 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.commons.lang.Validate;
+import org.hisp.dhis.common.BaseIdentifiableObject;
+import org.hisp.dhis.common.DxfNamespaces;
+import org.hisp.dhis.common.annotation.Scanned;
+import org.hisp.dhis.common.view.DetailedView;
+import org.hisp.dhis.common.view.ExportView;
+import org.hisp.dhis.dataelement.DataElement;
+
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonView;
@@ -36,19 +48,6 @@
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
 
-import org.apache.commons.lang.Validate;
-import org.hisp.dhis.common.BaseIdentifiableObject;
-import org.hisp.dhis.common.DxfNamespaces;
-import org.hisp.dhis.common.annotation.Scanned;
-import org.hisp.dhis.common.view.DetailedView;
-import org.hisp.dhis.common.view.ExportView;
-import org.hisp.dhis.dataelement.DataElement;
-import org.hisp.dhis.dataelement.DataElementCategoryOptionCombo;
-
-import java.io.Serializable;
-import java.util.HashSet;
-import java.util.Set;
-
 /**
  * An Expression is the expression of e.g. a validation rule. It consist of a
  * String representation of the rule as well as references to the data elements

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-settings/src/main/java/org/hisp/dhis/settings/action/system/SetGeneralSettingsAction.java'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-settings/src/main/java/org/hisp/dhis/settings/action/system/SetGeneralSettingsAction.java	2014-08-26 07:44:39 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-settings/src/main/java/org/hisp/dhis/settings/action/system/SetGeneralSettingsAction.java	2014-08-27 09:20:22 +0000
@@ -29,6 +29,8 @@
  */
 
 import com.opensymphony.xwork2.Action;
+
+import org.apache.commons.lang3.StringUtils;
 import org.hisp.dhis.configuration.Configuration;
 import org.hisp.dhis.configuration.ConfigurationService;
 import org.hisp.dhis.dataelement.DataElementService;
@@ -241,7 +243,7 @@
         systemSettingManager.saveSystemSetting( KEY_CALENDAR, calendar );
         systemSettingManager.saveSystemSetting( KEY_DATE_FORMAT, dateFormat );
         systemSettingManager.saveSystemSetting( KEY_ANALYTICS_MAINTENANCE_MODE, analyticsMaintenanceMode );
-        systemSettingManager.saveSystemSetting( KEY_HELP_PAGE_LINK, helpPageLink );
+        systemSettingManager.saveSystemSetting( KEY_HELP_PAGE_LINK, StringUtils.trimToNull( helpPageLink ) );
 
         Configuration configuration = configurationService.getConfiguration();