Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletregistry/PersistenceBrokerPortletRegistry.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletregistry/PersistenceBrokerPortletRegistry.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletregistry/PersistenceBrokerPortletRegistry.java	(working copy)
@@ -349,18 +349,17 @@
         {
             throw new FailedToStorePortletDefinitionException("Cannot clone to portlet named " + newPortletName + ", name already exists"); 
         }
+
+        // create new portlet in source portlet application
+        PortletDefinition copy = source.getApplication().addPortlet(newPortletName);
         
-        PortletDefinitionImpl copy = new PortletDefinitionImpl();
+        // First set display name
         
-        // First set the name and display name
-        
-        copy.setPortletName(newPortletName);
         DisplayName displayName = copy.addDisplayName(JetspeedLocale.getDefaultLocale().getLanguage());
         displayName.setDisplayName(newPortletName);
         
         // And, then, copy all attributes
         
-        copy.setApplication(source.getApplication());
         copy.setPortletClass(source.getPortletClass());
         copy.setResourceBundle(source.getResourceBundle());
         copy.setPreferenceValidatorClassname(source.getPreferenceValidatorClassname());
@@ -451,7 +450,6 @@
         copy.getSupportedPublicRenderParameters().addAll(source.getSupportedPublicRenderParameters());
         
         //savePortletDefinition(copy);
-        source.getApplication().getPortlets().add(copy);
         try
         {
             updatePortletApplication(source.getApplication());
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletpreferences/DatabasePreference.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletpreferences/DatabasePreference.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/components/portletpreferences/DatabasePreference.java	(working copy)
@@ -16,9 +16,10 @@
  */
 package org.apache.jetspeed.components.portletpreferences;
 
-import java.util.ArrayList;
 import java.util.Collection;
 
+import org.apache.jetspeed.util.ojb.CollectionUtils;
+
 /**
  * <p>
  * The database representation of a preference object
@@ -117,11 +118,12 @@
         return id;
     }
 
+    @SuppressWarnings("unchecked")
     public Collection<DatabasePreferenceValue> getPreferenceValues()
     {
         if (values == null)
         {
-            values = new ArrayList<DatabasePreferenceValue>();
+            values = CollectionUtils.createCollection();
         }
         return values;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserDataConstraintImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserDataConstraintImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserDataConstraintImpl.java	(working copy)
@@ -18,13 +18,13 @@
 package org.apache.jetspeed.om.portlet.impl;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
 import org.apache.jetspeed.om.portlet.Description;
 import org.apache.jetspeed.om.portlet.UserDataConstraint;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -40,11 +40,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ContainerRuntimeOptionImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ContainerRuntimeOptionImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ContainerRuntimeOptionImpl.java	(working copy)
@@ -23,6 +23,7 @@
 
 import org.apache.jetspeed.om.portlet.ContainerRuntimeOption;
 import org.apache.jetspeed.om.portlet.ContainerRuntimeOptionValue;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -53,12 +54,13 @@
     {
         this.name = name;
     }
-
+    
+    @SuppressWarnings("unchecked")
     public void addValue(String value)
     {
         if (values == null)
         {
-            values = new ArrayList<ContainerRuntimeOptionValue>();
+            values = CollectionUtils.createList();
         }
         for (ContainerRuntimeOptionValue param : this.values)
         {
@@ -70,11 +72,12 @@
         values.add(new ContainerRuntimeOptionValueImpl(value));                
     }
 
+    @SuppressWarnings("unchecked")
     public List<String> getValues()
     {
         if (values == null)
         {
-            values = new ArrayList<ContainerRuntimeOptionValue>();
+            values = CollectionUtils.createList();
         }
         List<String> vals = new ArrayList<String>();
         for (ContainerRuntimeOptionValue v : this.values)
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PublicRenderParameterImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PublicRenderParameterImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PublicRenderParameterImpl.java	(working copy)
@@ -28,6 +28,7 @@
 import org.apache.jetspeed.om.portlet.PortletQName;
 import org.apache.jetspeed.om.portlet.PublicRenderParameter;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -160,11 +161,12 @@
         return result;
     }
     
+    @SuppressWarnings("unchecked")
     public void addAlias(QName alias)
     {       
         if (aliases == null)
         {
-            aliases = new ArrayList<ParameterAliasImpl>();
+            aliases = CollectionUtils.createList();
         }
         if (!containsAlias(alias))
         {
@@ -188,11 +190,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterImpl.java	(working copy)
@@ -30,6 +30,7 @@
 import org.apache.jetspeed.om.portlet.FilterLifecycle;
 import org.apache.jetspeed.om.portlet.InitParam;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -49,12 +50,13 @@
     {
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
-    
+
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
@@ -78,11 +80,12 @@
         return (DisplayName)JetspeedLocale.getBestLocalizedObject(getDisplayNames(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<DisplayName> getDisplayNames()
     {
         if (displayNames == null)
         {
-            displayNames = new ArrayList<DisplayName>();
+            displayNames = CollectionUtils.createList();
         }
         return displayNames;
     }
@@ -121,11 +124,12 @@
         filterClass = value;
     }
 
+    @SuppressWarnings("unchecked")
     public List<String> getLifecycles()
     {
         if (lifecycles == null)
         {
-            lifecycles = new ArrayList<FilterLifecycle>();
+            lifecycles = CollectionUtils.createList();
         }
         List<String> result = new ArrayList<String>();
         for (FilterLifecycle flc : lifecycles)
@@ -135,11 +139,12 @@
         return result;
     }
     
+    @SuppressWarnings("unchecked")
     public void addLifecycle(String name)
     {
         if (lifecycles == null)
         {
-            lifecycles = new ArrayList<FilterLifecycle>();
+            lifecycles = CollectionUtils.createList();
         }
         for (FilterLifecycle flc : this.lifecycles)
         {
@@ -163,11 +168,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<InitParam> getInitParams()
     {
         if (initParams == null)
         {
-            initParams = new ArrayList<InitParam>();
+            initParams = CollectionUtils.createList();
         }
         return initParams;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleRefImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleRefImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleRefImpl.java	(working copy)
@@ -17,7 +17,6 @@
 package org.apache.jetspeed.om.portlet.impl;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -25,6 +24,7 @@
 import org.apache.jetspeed.om.portlet.SecurityRoleRef;
 import org.apache.jetspeed.util.HashCodeBuilder;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * 
@@ -89,12 +89,13 @@
     {
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
-    
+
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomPortletModeImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomPortletModeImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomPortletModeImpl.java	(working copy)
@@ -16,7 +16,6 @@
 */
 package org.apache.jetspeed.om.portlet.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -25,6 +24,7 @@
 import org.apache.jetspeed.om.portlet.CustomPortletMode;
 import org.apache.jetspeed.om.portlet.Description;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 public class CustomPortletModeImpl implements CustomPortletMode
 {
@@ -97,11 +97,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/EventDefinitionImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/EventDefinitionImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/EventDefinitionImpl.java	(working copy)
@@ -28,6 +28,7 @@
 import org.apache.jetspeed.om.portlet.EventDefinition;
 import org.apache.jetspeed.om.portlet.PortletQName;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -57,11 +58,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
@@ -131,12 +133,13 @@
         }
         return result;
     }
-    
+
+    @SuppressWarnings("unchecked")
     public void addAlias(QName alias)
     {       
         if (aliases == null)
         {
-            aliases = new ArrayList<EventAliasImpl>();
+            aliases = CollectionUtils.createList();
         }
         if (!containsAlias(alias))
         {
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeRefImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeRefImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeRefImpl.java	(working copy)
@@ -16,7 +16,6 @@
  */
 package org.apache.jetspeed.om.portlet.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -24,6 +23,7 @@
 import org.apache.jetspeed.om.portlet.UserAttribute;
 import org.apache.jetspeed.om.portlet.UserAttributeRef;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * <p>User attribute ref implementation.</p>
@@ -89,12 +89,13 @@
     {
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
-    
+
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/UserAttributeImpl.java	(working copy)
@@ -16,13 +16,13 @@
  */
 package org.apache.jetspeed.om.portlet.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
 import org.apache.jetspeed.om.portlet.Description;
 import org.apache.jetspeed.om.portlet.UserAttribute;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * <p>User attribute implementation.</p>
@@ -53,11 +53,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityConstraintImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityConstraintImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityConstraintImpl.java	(working copy)
@@ -28,6 +28,7 @@
 import org.apache.jetspeed.om.portlet.SecurityConstraint;
 import org.apache.jetspeed.om.portlet.UserDataConstraint;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -44,11 +45,12 @@
         return (DisplayName)JetspeedLocale.getBestLocalizedObject(getDisplayNames(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<DisplayName> getDisplayNames()
     {
         if (displayNames == null)
         {
-            displayNames = new ArrayList<DisplayName>();
+            displayNames = CollectionUtils.createList();
         }
         return displayNames;
     }
@@ -67,11 +69,12 @@
         return d;
     }
 
+    @SuppressWarnings("unchecked")
     public List<String> getPortletNames()
     {
         if (portletNames == null)
         {
-            portletNames = new ArrayList<SecuredPortlet>();
+            portletNames = CollectionUtils.createList();
         }
         List<String> result = new ArrayList<String>();
         for (SecuredPortlet sp : portletNames)
@@ -81,11 +84,12 @@
         return result;
     }
     
+    @SuppressWarnings("unchecked")
     public void addPortletName(String portletName)
     {
         if (portletNames == null)
         {
-            portletNames = new ArrayList<SecuredPortlet>();
+            portletNames = CollectionUtils.createList();
         }
         for (SecuredPortlet sp : portletNames)
         {
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/InitParamImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/InitParamImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/InitParamImpl.java	(working copy)
@@ -18,7 +18,6 @@
 package org.apache.jetspeed.om.portlet.impl;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -26,8 +25,8 @@
 import org.apache.jetspeed.om.portlet.InitParam;
 import org.apache.jetspeed.util.HashCodeBuilder;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
-
 /**
  * @author <a href="mailto:weaver@apache.org">Scott T. Weaver</a>
  */
@@ -90,12 +89,13 @@
     {
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
-    
+
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ListenerImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ListenerImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/ListenerImpl.java	(working copy)
@@ -18,7 +18,6 @@
 package org.apache.jetspeed.om.portlet.impl;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -28,6 +27,7 @@
 import org.apache.jetspeed.om.portlet.DisplayName;
 import org.apache.jetspeed.om.portlet.Listener;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -56,11 +56,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
@@ -84,11 +85,12 @@
         return (DisplayName)JetspeedLocale.getBestLocalizedObject(getDisplayNames(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<DisplayName> getDisplayNames()
     {
         if (displayNames == null)
         {
-            displayNames = new ArrayList<DisplayName>();
+            displayNames = CollectionUtils.createList();
         }
         return displayNames;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletApplicationDefinitionImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletApplicationDefinitionImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletApplicationDefinitionImpl.java	(working copy)
@@ -53,6 +53,7 @@
 import org.apache.jetspeed.om.portlet.UserAttribute;
 import org.apache.jetspeed.om.portlet.UserAttributeRef;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 import org.apache.ojb.broker.PersistenceBroker;
 import org.apache.ojb.broker.PersistenceBrokerAware;
 import org.apache.ojb.broker.PersistenceBrokerException;
@@ -107,7 +108,7 @@
     private List<ContainerRuntimeOption> containerRuntimeOptions;
 
     private List<UserAttributeRef> userAttributeRefs;
-    private List<JetspeedServiceReference> services = new ArrayList<JetspeedServiceReference>();
+    private List<JetspeedServiceReference> services;
 
     private List<LocaleEncodingMapping> localeEncodingMappingList;
     
@@ -249,11 +250,12 @@
     /**
      * @see org.apache.jetspeed.om.portlet.PortletApplication#getMetadata()
      */
+    @SuppressWarnings("unchecked")
     public GenericMetadata getMetadata()
     {
         if(metadataFields == null)
         {
-            metadataFields = new ArrayList<LocalizedField>();
+            metadataFields = CollectionUtils.createCollection();
         }
         
         GenericMetadata metadata = new PortletApplicationMetadataImpl();
@@ -267,11 +269,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
@@ -295,11 +298,12 @@
         return (DisplayName)JetspeedLocale.getBestLocalizedObject(getDisplayNames(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<DisplayName> getDisplayNames()
     {
         if (displayNames == null)
         {
-            displayNames = new ArrayList<DisplayName>();
+            displayNames = CollectionUtils.createList();
         }
         return displayNames;
     }
@@ -318,11 +322,12 @@
         return d;
     }
 
+    @SuppressWarnings("unchecked")
     public List<SecurityRole> getSecurityRoles()
     {
         if (roles == null)
         {
-            roles = new ArrayList<SecurityRole>();
+            roles = CollectionUtils.createList();
         }
         return roles;
     }
@@ -354,11 +359,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<PortletDefinition> getPortlets()
     {
         if (portlets == null)
         {
-            portlets = new ArrayList<PortletDefinition>();
+            portlets = CollectionUtils.createList();
         }
         return portlets;
     }
@@ -376,11 +382,12 @@
         return portlet;
     }
 
+    @SuppressWarnings("unchecked")
     public List<EventDefinition> getEventDefinitions()
     {
         if (eventDefinitions == null)
         {
-            eventDefinitions = new ArrayList<EventDefinition>();
+            eventDefinitions = CollectionUtils.createList();
         }
         return eventDefinitions;
     }
@@ -418,11 +425,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<PublicRenderParameter> getPublicRenderParameters()
     {
         if (publicRenderParameters == null)
         {
-            publicRenderParameters = new ArrayList<PublicRenderParameter>();
+            publicRenderParameters = CollectionUtils.createList();
         }
         return publicRenderParameters;
     }
@@ -492,11 +500,12 @@
         }
     }
     
+    @SuppressWarnings("unchecked")
     public List<CustomPortletMode> getCustomPortletModes()
     {
         if (customPortletModes == null)
         {
-            customPortletModes = new ArrayList<CustomPortletMode>();
+            customPortletModes = CollectionUtils.createList();
         }
         return customPortletModes;
     }
@@ -546,11 +555,12 @@
         return null;            
     }
     
+    @SuppressWarnings("unchecked")
     public List<CustomWindowState> getCustomWindowStates()
     {
         if (customWindowStates == null)
         {
-            customWindowStates = new ArrayList<CustomWindowState>();
+            customWindowStates = CollectionUtils.createList();
         }
         return customWindowStates;
     }
@@ -655,11 +665,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<UserAttribute> getUserAttributes()
     {
         if (userAttributes == null)
         {
-            userAttributes = new ArrayList<UserAttribute>();
+            userAttributes = CollectionUtils.createList();
         }
         return userAttributes;
     }
@@ -688,11 +699,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<UserAttributeRef> getUserAttributeRefs()
     {
         if (userAttributeRefs == null)
         {
-            userAttributeRefs = new ArrayList<UserAttributeRef>();
+            userAttributeRefs = CollectionUtils.createList();
         }
         return userAttributeRefs;
     }
@@ -709,11 +721,12 @@
         return uar;        
     }
 
+    @SuppressWarnings("unchecked")
     public List<SecurityConstraint> getSecurityConstraints()
     {
         if (securityConstraints == null)
         {
-            securityConstraints = new ArrayList<SecurityConstraint>();
+            securityConstraints = CollectionUtils.createList();
         }
         return securityConstraints;
     }
@@ -774,11 +787,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<Filter> getFilters()
     {
         if (filters == null)
         {
-            filters = new ArrayList<Filter>();
+            filters = CollectionUtils.createList();
         }
         return filters;
     }
@@ -807,11 +821,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<FilterMapping> getFilterMappings()
     {
         if (filterMappings == null)
         {
-            filterMappings = new ArrayList<FilterMapping>();
+            filterMappings = CollectionUtils.createList();
         }
         return filterMappings;
     }
@@ -828,11 +843,12 @@
         return fm;        
     }
 
+    @SuppressWarnings("unchecked")
     public List<Listener> getListeners()
     {
         if (listeners == null)
         {
-            listeners = new ArrayList<Listener>();
+            listeners = CollectionUtils.createList();
         }
         return listeners;
     }
@@ -864,11 +880,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<ContainerRuntimeOption> getContainerRuntimeOptions()
     {
         if (containerRuntimeOptions == null)
         {
-            containerRuntimeOptions = new ArrayList<ContainerRuntimeOption>();
+            containerRuntimeOptions = CollectionUtils.createList();
         }
         return containerRuntimeOptions;
     }
@@ -905,20 +922,22 @@
         return localeEncodingMappings;
     }
     
+    @SuppressWarnings("unchecked")
     public void addLocaleEncodingMapping(Locale locale, String encoding)
     {
         if (localeEncodingMappingList == null)
         {
-            localeEncodingMappingList = new ArrayList<LocaleEncodingMapping>();
+            localeEncodingMappingList = CollectionUtils.createList();
         }
         localeEncodingMappingList.add(new LocaleEncodingMappingImpl(locale, encoding));
     }
     
+    @SuppressWarnings("unchecked")
     public List<JetspeedServiceReference> getJetspeedServices()
     {
         if (services == null)
         {
-            this.services = new ArrayList<JetspeedServiceReference>();
+            this.services = CollectionUtils.createList();
         }
         return services;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/SecurityRoleImpl.java	(working copy)
@@ -16,13 +16,13 @@
  */
 package org.apache.jetspeed.om.portlet.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
 import org.apache.jetspeed.om.portlet.Description;
 import org.apache.jetspeed.om.portlet.SecurityRole;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * 
@@ -51,12 +51,13 @@
     {
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
-    
+
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterMappingImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterMappingImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/FilterMappingImpl.java	(working copy)
@@ -23,6 +23,7 @@
 
 import org.apache.jetspeed.om.portlet.FilterMapping;
 import org.apache.jetspeed.om.portlet.FilteredPortlet;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 /**
  * @version $Id$
@@ -43,11 +44,12 @@
         filterName = value;
     }
 
+    @SuppressWarnings("unchecked")
     public List<String> getPortletNames()
     {
         if (portletNames == null)
         {
-            portletNames = new ArrayList<FilteredPortlet>();
+            portletNames = CollectionUtils.createList();
         }
         List<String> result = new ArrayList<String>();
         for (FilteredPortlet fp : portletNames)
@@ -57,11 +59,12 @@
         return result;        
     }
     
+    @SuppressWarnings("unchecked")
     public void addPortletName(String name)
     {
         if (portletNames == null)
         {
-            portletNames = new ArrayList<FilteredPortlet>();
+            portletNames = CollectionUtils.createList();
         }
         for (FilteredPortlet fp : this.portletNames)
         {
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletDefinitionImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletDefinitionImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/PortletDefinitionImpl.java	(working copy)
@@ -46,6 +46,7 @@
 import org.apache.jetspeed.om.portlet.Supports;
 import org.apache.jetspeed.util.HashCodeBuilder;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 import org.apache.ojb.broker.PersistenceBroker;
 import org.apache.ojb.broker.PersistenceBrokerAware;
 import org.apache.ojb.broker.PersistenceBrokerException;
@@ -209,21 +210,23 @@
         return lang;
     }
     
+    @SuppressWarnings("unchecked")
     public List<Language> getLanguages()
     {
         if ( languages == null )
         {
-            languages = new ArrayList<Language>();
+            languages = CollectionUtils.createList();
         }
         return languages;
     }
     
+    @SuppressWarnings("unchecked")
     public Language addLanguage(Locale locale)
     {
         // ensure languages exist
         if ( languages == null )
         {
-            languages = new ArrayList<Language>();
+            languages = CollectionUtils.createList();
         }
         
         for (Language l : languages)
@@ -285,11 +288,12 @@
         preferenceValidatorClassname = string;
     }
 
+    @SuppressWarnings("unchecked")
     public GenericMetadata getMetadata()
     {
         if (metadataFields == null)
         {
-            metadataFields = new ArrayList<LocalizedField>();
+            metadataFields = CollectionUtils.createCollection();
         }
 
         GenericMetadata metadata = new PortletDefinitionMetadataImpl();
@@ -426,11 +430,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<ContainerRuntimeOption> getContainerRuntimeOptions()
     {
         if (containerRuntimeOptions == null)
         {
-            containerRuntimeOptions = new ArrayList<ContainerRuntimeOption>();
+            containerRuntimeOptions = CollectionUtils.createList();
         }
         return containerRuntimeOptions;
     }
@@ -458,11 +463,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<SecurityRoleRef> getSecurityRoleRefs()
     {
         if (securityRoleRefs == null)
         {
-            securityRoleRefs = new ArrayList<SecurityRoleRef>();
+            securityRoleRefs = CollectionUtils.createList();
         }
         return securityRoleRefs;
     }
@@ -496,11 +502,12 @@
         return null;
     }
     
+    @SuppressWarnings("unchecked")
     public List<Supports> getSupports()
     {
         if (supports == null)
         {
-            supports = new ArrayList<Supports>();
+            supports = CollectionUtils.createList();
         }
         return supports;
     }
@@ -536,11 +543,12 @@
         // noop: use addLanguage(Locale) instead
     }
 
+    @SuppressWarnings("unchecked")
     public List<String> getSupportedPublicRenderParameters()
     {
         if (supportedPublicRenderParameters == null)
         {
-            supportedPublicRenderParameters = new ArrayList<SupportedPublicRenderParameter>();
+            supportedPublicRenderParameters = CollectionUtils.createList();
         }
         List<String> params = new ArrayList<String>();
         for (SupportedPublicRenderParameter param : this.supportedPublicRenderParameters)
@@ -550,11 +558,12 @@
         return params;
     }
     
+    @SuppressWarnings("unchecked")
     public void addSupportedPublicRenderParameter(String identifier)
     {
         if (supportedPublicRenderParameters == null)
         {
-            supportedPublicRenderParameters = new ArrayList<SupportedPublicRenderParameter>();
+            supportedPublicRenderParameters = CollectionUtils.createList();
         }
         for (SupportedPublicRenderParameter param : this.supportedPublicRenderParameters)
         {
@@ -596,11 +605,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
@@ -625,11 +635,12 @@
         return (DisplayName)JetspeedLocale.getBestLocalizedObject(getDisplayNames(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<DisplayName> getDisplayNames()
     {
         if (displayNames == null)
         {
-            displayNames = new ArrayList<DisplayName>();
+            displayNames = CollectionUtils.createList();
         }
         return displayNames;
     }
@@ -660,11 +671,12 @@
         return null;
     }
 
+    @SuppressWarnings("unchecked")
     public List<InitParam> getInitParams()
     {
         if (initParams == null)
         {
-            initParams = new ArrayList<InitParam>();
+            initParams = CollectionUtils.createList();
         }
         return initParams;
     }
@@ -681,11 +693,12 @@
         return param;
     }
     
+    @SuppressWarnings("unchecked")
     public List<EventDefinitionReference> getSupportedProcessingEvents()
     {
         if (supportedProcessingEvents == null)
         {
-            supportedProcessingEvents = new ArrayList<EventDefinitionReference>();            
+            supportedProcessingEvents = CollectionUtils.createList();            
         }
         return supportedProcessingEvents;
     }
@@ -711,11 +724,12 @@
         return this.addSupportedProcessingEvent(qname);
     }
          
+    @SuppressWarnings("unchecked")
     public List<EventDefinitionReference> getSupportedPublishingEvents()
     {
         if (supportedPublishingEvents == null)
         {
-            supportedPublishingEvents = new ArrayList<EventDefinitionReference>();            
+            supportedPublishingEvents = CollectionUtils.createList();            
         }
         return supportedPublishingEvents;
     }    
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomWindowStateImpl.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomWindowStateImpl.java	(revision 775409)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/om/portlet/impl/CustomWindowStateImpl.java	(working copy)
@@ -16,7 +16,6 @@
 */
 package org.apache.jetspeed.om.portlet.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
@@ -25,6 +24,7 @@
 import org.apache.jetspeed.om.portlet.CustomWindowState;
 import org.apache.jetspeed.om.portlet.Description;
 import org.apache.jetspeed.util.JetspeedLocale;
+import org.apache.jetspeed.util.ojb.CollectionUtils;
 
 public class CustomWindowStateImpl implements CustomWindowState
 {
@@ -97,11 +97,12 @@
         return (Description)JetspeedLocale.getBestLocalizedObject(getDescriptions(), locale);
     }
     
+    @SuppressWarnings("unchecked")
     public List<Description> getDescriptions()
     {
         if (descriptions == null)
         {
-            descriptions = new ArrayList<Description>();
+            descriptions = CollectionUtils.createList();
         }
         return descriptions;
     }
Index: components/jetspeed-registry/src/main/java/org/apache/jetspeed/util/ojb/CollectionUtils.java
===================================================================
--- components/jetspeed-registry/src/main/java/org/apache/jetspeed/util/ojb/CollectionUtils.java	(revision 0)
+++ components/jetspeed-registry/src/main/java/org/apache/jetspeed/util/ojb/CollectionUtils.java	(revision 0)
@@ -0,0 +1,346 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.jetspeed.util.ojb;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+import org.apache.ojb.broker.ManageableCollection;
+import org.apache.ojb.broker.PersistenceBroker;
+import org.apache.ojb.broker.PersistenceBrokerException;
+import org.apache.ojb.broker.util.collections.IRemovalAwareCollection;
+import org.apache.ojb.broker.util.collections.RemovalAwareCollection;
+import org.apache.ojb.broker.util.collections.RemovalAwareList;
+
+/**
+ * CollectionUtils
+ * 
+ * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
+ * @version $Id: $
+ */
+public class CollectionUtils
+{
+    /**
+     * OJB 1.0.3 requires collections to be removal aware.
+     * Thus we can't seem to get away with just creating ArrayLists
+     * This issue on occurs when persisting newly create object collections
+     * When persisting objects retrieved with OJB, this issue does not occur
+     * 
+     * @see JS2-590
+     * @return
+     */
+    
+    @SuppressWarnings("unchecked")
+    public static final Collection createCollection()
+    {
+        // highly concurrent applications will require using
+        // createSynchronizedCollection() here instead of this OJB
+        // native type which is not synchronized.
+        return new RemovalAwareCollection();
+    }
+
+    /**
+     * Synchronized OJB removal aware collection.
+     */
+    @SuppressWarnings("unchecked")
+    public static class SynchronizedRemovalAwareCollection implements Collection, ManageableCollection, IRemovalAwareCollection
+    {
+        private static final long serialVersionUID = 1L;
+
+        private RemovalAwareCollection collection = new RemovalAwareCollection();
+
+        public synchronized boolean add(Object e)
+        {
+            return collection.add(e);
+        }
+
+        public synchronized boolean addAll(Collection c)
+        {
+            return collection.addAll(c);
+        }
+
+        public synchronized void clear()
+        {
+            collection.clear();
+        }
+
+        public synchronized boolean contains(Object o)
+        {
+            return collection.contains(o);
+        }
+
+        public synchronized boolean containsAll(Collection c)
+        {
+            return collection.containsAll(c);
+        }
+
+        public synchronized boolean isEmpty()
+        {
+            return collection.isEmpty();
+        }
+
+        public synchronized Iterator iterator()
+        {
+            return collection.iterator();
+        }
+
+        public synchronized boolean remove(Object o)
+        {
+            return collection.remove(o);
+        }
+
+        public synchronized boolean removeAll(Collection c)
+        {
+            return collection.removeAll(c);
+        }
+
+        public synchronized boolean retainAll(Collection c)
+        {
+            return collection.retainAll(c);
+        }
+
+        public synchronized int size()
+        {
+            return collection.size();
+        }
+
+        public synchronized Object[] toArray()
+        {
+            return collection.toArray();
+        }
+
+        public synchronized Object[] toArray(Object[] a)
+        {
+            return collection.toArray(a);
+        }
+
+        public synchronized void afterStore(PersistenceBroker broker) throws PersistenceBrokerException
+        {
+            collection.afterStore(broker);
+        }
+
+        public synchronized void ojbAdd(Object anObject)
+        {
+            collection.ojbAdd(anObject);
+        }
+
+        public synchronized void ojbAddAll(ManageableCollection otherCollection)
+        {
+            collection.ojbAddAll(otherCollection);
+        }
+
+        public synchronized Iterator ojbIterator()
+        {
+            return collection.ojbIterator();
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    public static final Collection createSynchronizedCollection()
+    {
+        // if OJB collections are to be synchronized, collection-class
+        // attributes for collection-descriptor need to be set in the
+        // OJB mappings to ensure that collections are synchronized
+        // when read from the database, (unsynchronized removal aware
+        // collections are the default):
+        //
+        // <collection-descriptor ... collection-class="org.apache.jetspeed.util.ojb.CollectionUtils$SynchronizedRemovalAwareCollection">
+        //
+        // here, return synchronized manageable/removal aware
+        // collection; note that simply wrapping a RemovalAwareCollection
+        // using Collections.synchronizedCollection() will not work since
+        // OJB collections that are removal aware must implement the
+        // ManageableCollection, IRemovalAwareCollection interfaces.
+        return new SynchronizedRemovalAwareCollection();
+    }
+    
+    @SuppressWarnings("unchecked")
+    public static final List createList()
+    {
+        // highly concurrent applications will require using
+        // createSynchronizedList() here instead of this OJB
+        // native type which is not synchronized.
+        return new RemovalAwareList();
+    }
+
+    /**
+     * Synchronized OJB removal aware list.
+     */
+    @SuppressWarnings("unchecked")
+    public static class SynchronizedRemovalAwareList implements List, ManageableCollection, IRemovalAwareCollection
+    {
+        private static final long serialVersionUID = 1L;
+
+        private RemovalAwareList list = new RemovalAwareList();
+
+        public synchronized void add(int index, Object element)
+        {
+            list.add(index, element);
+        }
+
+        public synchronized boolean add(Object e)
+        {
+            return list.add(e);
+        }
+
+        public synchronized boolean addAll(Collection c)
+        {
+            return list.addAll(c);
+        }
+
+        public synchronized boolean addAll(int index, Collection c)
+        {
+            return list.addAll(index, c);
+        }
+
+        public synchronized void clear()
+        {
+            list.clear();
+        }
+
+        public synchronized boolean contains(Object o)
+        {
+            return list.contains(o);
+        }
+
+        public synchronized boolean containsAll(Collection c)
+        {
+            return list.containsAll(c);
+        }
+
+        public synchronized Object get(int index)
+        {
+            return list.get(index);
+        }
+
+        public synchronized int indexOf(Object o)
+        {
+            return list.indexOf(o);
+        }
+
+        public synchronized boolean isEmpty()
+        {
+            return list.isEmpty();
+        }
+
+        public synchronized Iterator iterator()
+        {
+            return list.iterator();
+        }
+
+        public synchronized int lastIndexOf(Object o)
+        {
+            return list.lastIndexOf(o);
+        }
+
+        public synchronized ListIterator listIterator()
+        {
+            return list.listIterator();
+        }
+
+        public synchronized ListIterator listIterator(int index)
+        {
+            return list.listIterator(index);
+        }
+
+        public synchronized Object remove(int index)
+        {
+            return list.remove(index);
+        }
+
+        public synchronized boolean remove(Object o)
+        {
+            return list.remove(o);
+        }
+
+        public synchronized boolean removeAll(Collection c)
+        {
+            return list.removeAll(c);
+        }
+
+        public synchronized boolean retainAll(Collection c)
+        {
+            return list.retainAll(c);
+        }
+
+        public synchronized Object set(int index, Object element)
+        {
+            return list.set(index, element);
+        }
+
+        public synchronized int size()
+        {
+            return list.size();
+        }
+
+        public synchronized List subList(int fromIndex, int toIndex)
+        {
+            return list.subList(fromIndex, toIndex);
+        }
+
+        public synchronized Object[] toArray()
+        {
+            return list.toArray();
+        }
+
+        public synchronized Object[] toArray(Object[] a)
+        {
+            return list.toArray(a);
+        }
+
+        public synchronized void afterStore(PersistenceBroker broker) throws PersistenceBrokerException
+        {
+            list.afterStore(broker);
+        }
+
+        public synchronized void ojbAdd(Object anObject)
+        {
+            list.ojbAdd(anObject);
+        }
+
+        public synchronized void ojbAddAll(ManageableCollection otherCollection)
+        {
+            list.ojbAddAll(otherCollection);
+        }
+
+        public synchronized Iterator ojbIterator()
+        {
+            return list.ojbIterator();
+        }            
+    }
+
+    @SuppressWarnings("unchecked")
+    public static final List createSynchronizedList()
+    {
+        // if OJB lists are to be synchronized, collection-class
+        // attributes for collection-descriptor need to be set in the
+        // OJB mappings to ensure that lists are synchronized when
+        // read from the database, (unsynchronized removal aware
+        // lists are the default):
+        //
+        // <collection-descriptor ... collection-class="org.apache.jetspeed.util.ojb.CollectionUtils$SynchronizedRemovalAwareList">
+        //
+        // here, return synchronized manageable/removal aware list;
+        // note that simply wrapping a RemovalAwareList using
+        // Collections.synchronizedList() will not work since
+        // OJB lists that are removal aware must implement the
+        // ManageableCollection, IRemovalAwareCollection interfaces.
+        return new SynchronizedRemovalAwareList();
+    }
+}