=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/expression/DefaultExpressionService.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/expression/DefaultExpressionService.java	2015-12-12 12:43:41 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/expression/DefaultExpressionService.java	2015-12-29 12:40:22 +0000
@@ -54,6 +54,7 @@
 import org.hisp.dhis.common.DimensionService;
 import org.hisp.dhis.common.DimensionalItemObject;
 import org.hisp.dhis.common.GenericStore;
+import org.hisp.dhis.common.IdentifiableObjectManager;
 import org.hisp.dhis.common.ListMap;
 import org.hisp.dhis.common.RegexUtils;
 import org.hisp.dhis.common.exception.InvalidIdentifierReferenceException;
@@ -135,6 +136,13 @@
     {
         this.dimensionService = dimensionService;
     }
+    
+    private IdentifiableObjectManager idObjectManager;
+
+    public void setIdObjectManager( IdentifiableObjectManager idObjectManager )
+    {
+        this.idObjectManager = idObjectManager;
+    }
 
     // -------------------------------------------------------------------------
     // Expression CRUD operations
@@ -238,8 +246,6 @@
 
         Double result = expressionString != null ? calculateExpression( expressionString ) : null;
         
-        log.debug( "Expression: " + expression.getExplodedExpressionFallback() + ", generated: " + expressionString + ", result: " + result );
-        
         return result;
     }
 
@@ -510,7 +516,7 @@
         {
             String constant = matcher.group( 1 );
             
-            if ( constantService.getConstant( constant ) == null )
+            if ( idObjectManager.getNoAcl( Constant.class, constant ) == null )
             {
                 return ExpressionValidationOutcome.CONSTANT_DOES_NOT_EXIST;
             }
@@ -531,7 +537,7 @@
         {
             String group = matcher.group( 1 );
             
-            if ( organisationUnitGroupService.getOrganisationUnitGroup( group ) == null )
+            if ( idObjectManager.getNoAcl( OrganisationUnitGroup.class, group ) == null )
             {
                 return ExpressionValidationOutcome.ORG_UNIT_GROUP_DOES_NOT_EXIST;
             }
@@ -750,7 +756,7 @@
             {
                 final StringBuilder replace = new StringBuilder( PAR_OPEN );
 
-                final DataElement dataElement = dataElementService.getDataElement( matcher.group( 1 ) );
+                final DataElement dataElement = idObjectManager.getNoAcl( DataElement.class, matcher.group( 1 ) );
 
                 final DataElementCategoryCombo categoryCombo = dataElement.getCategoryCombo();
 
@@ -788,7 +794,7 @@
         {
             String co = matcher.group( 1 );
             
-            Constant constant = constantService.getConstant( co );
+            Constant constant = idObjectManager.getNoAcl( Constant.class, co );
             
             String replacement = constant != null ? String.valueOf( constant.getValue() ) : NULL_REPLACEMENT; 
             
@@ -808,7 +814,7 @@
         {
             String oug = matcher.group( 1 );
             
-            OrganisationUnitGroup group = organisationUnitGroupService.getOrganisationUnitGroup( oug );
+            OrganisationUnitGroup group = idObjectManager.get( OrganisationUnitGroup.class, oug );
             
             String replacement = group != null ? String.valueOf( group.getMembers().size() ) : NULL_REPLACEMENT;
 

=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/resources/META-INF/dhis/beans.xml'
--- dhis-2/dhis-services/dhis-service-core/src/main/resources/META-INF/dhis/beans.xml	2015-12-21 16:44:02 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/resources/META-INF/dhis/beans.xml	2015-12-29 12:40:22 +0000
@@ -741,6 +741,7 @@
     <property name="categoryService" ref="org.hisp.dhis.dataelement.DataElementCategoryService" />
     <property name="organisationUnitGroupService" ref="org.hisp.dhis.organisationunit.OrganisationUnitGroupService" />
     <property name="dimensionService" ref="org.hisp.dhis.dimension.DimensionService" />
+    <property name="idObjectManager" ref="org.hisp.dhis.common.IdentifiableObjectManager" />
   </bean>
 
   <bean id="org.hisp.dhis.validation.ValidationRuleService" class="org.hisp.dhis.validation.DefaultValidationRuleService">