diff --git a/data-access/servlet/src/main/java/auth/authz/AuthPolicy.java b/data-access/servlet/src/main/java/auth/authz/AuthPolicy.java
index 04717140aecbeb276cec172626ec66bfac32c768..dc37a64ca3337552881347c3cbd62317565ae160 100644
--- a/data-access/servlet/src/main/java/auth/authz/AuthPolicy.java
+++ b/data-access/servlet/src/main/java/auth/authz/AuthPolicy.java
@@ -159,7 +159,7 @@ public class AuthPolicy
 
    public String[] filterAuthorized(String[] pubdidArr, String dbConnUrl, String dbUserName, String dbPassword)
    {
-      this.dbConnUrl = dbConnUrl;
+      //this.dbConnUrl = dbConnUrl;
       this.dbUserName = dbUserName;
       this.dbPassword = dbPassword;
 
@@ -169,7 +169,7 @@ public class AuthPolicy
 
    private String[] filterAuthorized(ArrayList<String> pubdidList, String dbConnUrl)
    {
-      //LOGGER.fine("with List <String> trace");
+      LOGGER.fine("with List <String> trace");
       switch(access)
       {
          case PUBLIC_ONLY :
@@ -191,7 +191,7 @@ public class AuthPolicy
    {
       LOGGER.fine("trace");
       assert pubdids != null;
-      //LOGGER.finer("PublisherDID list original : " + String.join(" ", pubdids));
+      LOGGER.finer("PublisherDID list original : " + String.join(" ", pubdids));
 
       List<AuthPolicyDb.PubdidGroups> privateUniqPubdids = db_queryPrivateUniqPubdidGroups(dbConnUrl, pubdids);
       List<String> notAuthorizedUniqPubdids = pubdidsNotPublic(privateUniqPubdids, userGroups);
@@ -200,14 +200,14 @@ public class AuthPolicy
 
       removeNotAuthorized(pubdids, notAuthorizedUniqPubdids);
 
-      //LOGGER.finest("PublisherDID list filtered : " + (pubdids.isEmpty() ? "" : String.join(" ", pubdids)));
+      LOGGER.finest("PublisherDID list filtered : " + (pubdids.isEmpty() ? "" : String.join(" ", pubdids)));
    }
 
 
    private List<String> pubdidsNotPublic(List<AuthPolicyDb.PubdidGroups> pubdidList, String[] userGroups)
    {
       LOGGER.fine("trace");
-      //LOGGER.finer("userGroups: " + String.join(" ",userGroups));
+      LOGGER.finer("userGroups: " + String.join(" ",userGroups));
 
       List<String> pubdidsNotAuthorizedList = new LinkedList<String>();
       ListIterator<AuthPolicyDb.PubdidGroups> it = pubdidList.listIterator();
@@ -216,7 +216,7 @@ public class AuthPolicy
       {
          AuthPolicyDb.PubdidGroups pubdidGroups = it.next();
 
-         //LOGGER.finest(pubdidGroups.pubdid + " : " + String.join(" ",pubdidGroups.groups));
+         LOGGER.finest(pubdidGroups.pubdid + " : " + String.join(" ",pubdidGroups.groups));
 
          if( true )// isIntersectionEmpty(pubdidGroups.groups, userGroups) )
          {
@@ -233,7 +233,7 @@ public class AuthPolicy
    {
       LOGGER.fine("trace");
       assert pubdids != null;
-      //LOGGER.finer("PublisherDID list original : " + String.join(" ", pubdids));
+      LOGGER.finer("PublisherDID list original : " + String.join(" ", pubdids));
 
       List<AuthPolicyDb.PubdidGroups> privateUniqPubdids = db_queryPrivateUniqPubdidGroups(dbConnUrl, pubdids);
       List<String> notAuthorizedUniqPubdids = pubdidsNotAuthorized(privateUniqPubdids, userGroups);
@@ -242,7 +242,7 @@ public class AuthPolicy
 
       removeNotAuthorized(pubdids, notAuthorizedUniqPubdids);
 
-      //LOGGER.finest("PublisherDID list filtered : " + (pubdids.isEmpty() ? "" : String.join(" ", pubdids)));
+      LOGGER.finest("PublisherDID list filtered : " + (pubdids.isEmpty() ? "" : String.join(" ", pubdids)));
    }
 
 
@@ -270,7 +270,7 @@ public class AuthPolicy
       AuthPolicyDb adb;
       synchronized(AuthPolicyDb.class)
       {
-         AuthPolicyDb.dbConnUrl  = this.dbConnUrl;
+         //AuthPolicyDb.dbConnUrl  = this.dbConnUrl;
          AuthPolicyDb.dbUserName = this.dbUserName;
          AuthPolicyDb.dbPassword = this.dbPassword;
 
@@ -306,7 +306,7 @@ public class AuthPolicy
       {
          AuthPolicyDb.PubdidGroups pubdidGroups = it.next();
 
-         //LOGGER.finest(pubdidGroups.pubdid + " : " + String.join(" ",pubdidGroups.groups));
+         LOGGER.finest(pubdidGroups.pubdid + " : " + String.join(" ",pubdidGroups.groups));
 
          if( isIntersectionEmpty(pubdidGroups.groups, userGroups) )
          {
diff --git a/data-access/servlet/src/main/java/auth/authz/AuthPolicyDb.java b/data-access/servlet/src/main/java/auth/authz/AuthPolicyDb.java
index 8c42103732f7bcdf9c25bc49473c89d287859f14..41f81e547c5eeac9f88042907091983bb3e9475b 100644
--- a/data-access/servlet/src/main/java/auth/authz/AuthPolicyDb.java
+++ b/data-access/servlet/src/main/java/auth/authz/AuthPolicyDb.java
@@ -34,7 +34,7 @@ public class AuthPolicyDb
    private static final String DB_DRIVER = "org.postgresql.Driver";
    private static final Settings settings = Settings.getInstance();
    static public Settings.DBConn dbconn = settings.dbConn;
-   static public String dbConnUrl;
+//   static public String dbConnUrl;
    static public String dbUserName;
    static public String dbPassword;
 
@@ -209,7 +209,7 @@ public class AuthPolicyDb
                  String password = userInfo[1];
 
                  String dbConnJdbcUrl = "jdbc:" + dbConnUrl.replace(userInfoString + "@", "");
-   //              */       LOGGER.finest("DBMS URL: " + dbConnUrl);
+   //                     LOGGER.finest("DBMS URL: " + dbConnUrl);*/
    //   LOGGER.finest("DBMS userName: " + dbUserName);
    //   LOGGER.finest("DBMS password: " + dbPassword);
 
diff --git a/data-access/servlet/src/main/java/auth/authz/webapi/AuthZSettings.java b/data-access/servlet/src/main/java/auth/authz/webapi/AuthZSettings.java
index ecb811e1096f132b49d7f8b10ae9c3b5ff04c037..4b3b9822574f72b40dae711ea7a678fe05f0f6cd 100644
--- a/data-access/servlet/src/main/java/auth/authz/webapi/AuthZSettings.java
+++ b/data-access/servlet/src/main/java/auth/authz/webapi/AuthZSettings.java
@@ -77,8 +77,8 @@ class AuthZSettings
       LOGGER.fine("trace");
 
       DBConn dbconn = new AuthZSettings.DBConn();
-      dbconn.uri       = properties.getProperty("db_uri", "jdbc:postgresql://localhost:5432/vialactea").strip();
-      dbconn.schema    = properties.getProperty("db_schema", "datasets").strip();
+      dbconn.uri       = properties.getProperty("db_uri", "").strip();
+      dbconn.schema    = properties.getProperty("db_schema", "").strip();
       dbconn.user_name = properties.getProperty("db_user_name", "").strip();
       dbconn.password  = properties.getProperty("db_password", "").strip();
       return dbconn;