diff --git a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/GeoPortalService.java b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/GeoPortalService.java
index 4c06509..bead820 100644
--- a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/GeoPortalService.java
+++ b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/GeoPortalService.java
@@ -8,6 +8,7 @@ import org.gcube.application.geoportal.common.rest.InterfaceConstants;
 import org.gcube.application.geoportal.common.utils.StorageUtils;
 import org.gcube.application.geoportal.service.engine.mongo.UCDManagerI;
 import org.gcube.application.geoportal.service.engine.postgis.PostgisDBManager;
+import org.gcube.application.geoportal.service.engine.postgis.PostgisDBManagerI;
 import org.gcube.application.geoportal.service.engine.providers.*;
 import org.gcube.application.geoportal.service.engine.providers.ucd.ProfileMap;
 import org.gcube.application.geoportal.service.engine.providers.ucd.LocalFolderProfileMapCache;
@@ -50,7 +51,7 @@ public class GeoPortalService extends ResourceConfig{
 
 		ImplementationProvider.get().setEngine(new MongoClientProvider(), Mongo.class);
 		ImplementationProvider.get().setEngine(new StorageClientProvider(), StorageUtils.class);
-		ImplementationProvider.get().setEngine(new PostgisConnectionProvider(), PostgisDBManager.class);
+		ImplementationProvider.get().setEngine(new PostgisConnectionProvider(), PostgisDBManagerI.class);
 		ImplementationProvider.get().setEngine(new SingleISResourceUCDProvider(), ProfileMap.class);
 		ImplementationProvider.get().setEngine(new PluginManager(), PluginManager.PluginMap.class);
 		ImplementationProvider.get().setEngine(new StorageHubProvider(), StorageHubClient.class);
diff --git a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/postgis/PostgisIndex.java b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/postgis/PostgisIndex.java
index e21fcc2..8df7e0f 100644
--- a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/postgis/PostgisIndex.java
+++ b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/postgis/PostgisIndex.java
@@ -1,19 +1,19 @@
 package org.gcube.application.geoportal.service.engine.postgis;
 
 import lombok.extern.slf4j.Slf4j;
+import org.gcube.application.cms.implementations.ImplementationProvider;
+import org.gcube.application.cms.serialization.Serialization;
 import org.gcube.application.geoportal.common.model.legacy.Concessione;
+import org.gcube.application.geoportal.common.model.rest.ConfigurationException;
 import org.gcube.application.geoportal.common.model.rest.DatabaseConnection;
 import org.gcube.application.geoportal.common.model.rest.PostgisIndexDescriptor;
-import org.gcube.application.geoportal.service.engine.ImplementationProvider;
 import org.gcube.application.geoportal.service.engine.materialization.SDIManager;
 import org.gcube.application.geoportal.service.model.internal.db.DBConstants;
 import org.gcube.application.geoportal.service.model.internal.db.PostgisTable;
 import org.gcube.application.geoportal.service.model.internal.db.PostgisTable.Field;
 import org.gcube.application.geoportal.service.model.internal.db.PostgisTable.FieldType;
-import org.gcube.application.geoportal.service.model.internal.faults.ConfigurationException;
 import org.gcube.application.geoportal.service.model.internal.faults.PublishException;
 import org.gcube.application.geoportal.service.model.internal.faults.SDIInteractionException;
-import org.gcube.application.geoportal.service.utils.Serialization;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -39,7 +39,7 @@ public class PostgisIndex {
 	private SDIManager sdiManager;
 	private String wmsLink=null;
 	private static PostgisDBManagerI getDB() throws ConfigurationException {
-		return ImplementationProvider.get().getDbProvider().getObject();
+		return ImplementationProvider.get().getProvidedObjectByClass(PostgisDBManagerI.class);
 	};
 	
 	public PostgisIndex() throws SDIInteractionException, SQLException, ConfigurationException {
@@ -60,7 +60,7 @@ public class PostgisIndex {
 
 	public String init() throws SQLException, ConfigurationException, SDIInteractionException {
 		log.debug("Contacting postgis DB .. ");
-		PostgisDBManagerI db=ImplementationProvider.get().getDbProvider().getObject();
+		PostgisDBManagerI db=ImplementationProvider.get().getProvidedObjectByClass(PostgisDBManagerI.class);
 		log.debug("Checking if centroids table exists..");
 		PostgisTable table=getCentroidsTable();
 		db.create(table);
@@ -77,7 +77,7 @@ public class PostgisIndex {
 			Map<String,String> centroidRow=evaluateCentroid(record);
 
 			log.debug("Contacting postgis DB .. ");
-			PostgisDBManagerI db=ImplementationProvider.get().getDbProvider().getObject();
+			PostgisDBManagerI db=ImplementationProvider.get().getProvidedObjectByClass(PostgisDBManagerI.class);
 
 			PostgisTable centroidsTable=getCentroidsTable();
 			log.debug("Inserting / updated centroid Row {} ",centroidRow);
@@ -107,7 +107,7 @@ public class PostgisIndex {
 	
 	public void removeCentroid(Concessione record) {
 		try {
-			PostgisDBManagerI db=ImplementationProvider.get().getDbProvider().getObject();
+			PostgisDBManagerI db=ImplementationProvider.get().getProvidedObjectByClass(PostgisDBManagerI.class);
 			PostgisTable centroidsTable=getCentroidsTable();
 			log.debug("Deleting centroid if present. ID is "+record.getMongo_id());
 			int result= db.deleteByFieldValue(centroidsTable, new Field(DBConstants.Concessioni.PRODUCT_ID,FieldType.TEXT), record.getMongo_id());
@@ -164,7 +164,7 @@ public class PostgisIndex {
 		centroidsRow.put(DBConstants.Concessioni.FINANZIAMENTO,asString(record.getFontiFinanziamento()));
 		centroidsRow.put(DBConstants.Concessioni.SOGGETTO,asString(record.getSoggetto()));
 		centroidsRow.put(DBConstants.Concessioni.RISORSE,asString(record.getRisorseCorrelate()));
-		centroidsRow.put(DBConstants.Concessioni.DATE_SCAVO,Serialization.FULL_FORMATTER.format(record.getDataFineProgetto()));
+		centroidsRow.put(DBConstants.Concessioni.DATE_SCAVO, Serialization.FULL_FORMATTER.format(record.getDataFineProgetto()));
 		centroidsRow.put(DBConstants.Concessioni.DATA_ARCHIVIAZIONE,Serialization.FULL_FORMATTER.format(record.getLastUpdateTime()));
 		centroidsRow.put(DBConstants.Concessioni.VERSIONE,record.getVersion());
 		centroidsRow.put(DBConstants.Concessioni.LICENZA,record.getLicenzaID());
diff --git a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/providers/PostgisConnectionProvider.java b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/providers/PostgisConnectionProvider.java
index 60a8b24..87d9f12 100644
--- a/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/providers/PostgisConnectionProvider.java
+++ b/geoportal-service/src/main/java/org/gcube/application/geoportal/service/engine/providers/PostgisConnectionProvider.java
@@ -1,14 +1,15 @@
 package org.gcube.application.geoportal.service.engine.providers;
 
+import org.gcube.application.cms.caches.AbstractScopedMap;
+import org.gcube.application.geoportal.common.model.rest.ConfigurationException;
 import org.gcube.application.geoportal.service.engine.postgis.PostgisDBManager;
 import org.gcube.application.geoportal.service.engine.postgis.PostgisDBManagerI;
-import org.gcube.application.geoportal.service.model.internal.faults.ConfigurationException;
 
 import java.sql.SQLException;
 import java.time.Duration;
 import java.time.temporal.ChronoUnit;
 
-public class PostgisConnectionProvider extends AbstractScopedMap<PostgisDBManagerI>{
+public class PostgisConnectionProvider extends AbstractScopedMap<PostgisDBManagerI> {
 
 
     public PostgisConnectionProvider() {
@@ -17,7 +18,7 @@ public class PostgisConnectionProvider extends AbstractScopedMap<PostgisDBManage
     }
 
     @Override
-    protected PostgisDBManagerI retrieveObject() throws ConfigurationException {
+    protected PostgisDBManagerI retrieveObject(String key) throws ConfigurationException {
         try {
             return PostgisDBManager.get();
         } catch (SQLException throwables) {