diff --git a/src/main/java/org/gcube/portal/ldapexport/LDAPExportService.java b/src/main/java/org/gcube/portal/ldapexport/LDAPExportService.java
index 968980e..3b2fca1 100644
--- a/src/main/java/org/gcube/portal/ldapexport/LDAPExportService.java
+++ b/src/main/java/org/gcube/portal/ldapexport/LDAPExportService.java
@@ -14,7 +14,7 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-import org.gcube.common.encryption.StringEncrypter;
+import org.gcube.common.encryption.encrypter.StringEncrypter;
 import org.gcube.common.portal.PortalContext;
 import org.gcube.common.resources.gcore.ServiceEndpoint;
 import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
@@ -44,6 +44,7 @@ public class LDAPExportService extends HttpServlet {
 	private String principal;
 	private String ldapPassword;
 	
+	@SuppressWarnings("deprecation")
 	public void init() {
 		portalName = PortalContext.getPortalInstanceName();
 		
diff --git a/src/main/java/org/gcube/portal/ldapexport/LDAPSync.java b/src/main/java/org/gcube/portal/ldapexport/LDAPSync.java
index e545368..e5898b1 100644
--- a/src/main/java/org/gcube/portal/ldapexport/LDAPSync.java
+++ b/src/main/java/org/gcube/portal/ldapexport/LDAPSync.java
@@ -41,7 +41,6 @@ public class LDAPSync implements Runnable {
 	private static final String DEFAULT_GID_NUMBER = "1000";
 
 	private static final String SSH_PUBLIC_KEY_ATTR = "SSH-public-key";
-	private static LiferayGroupManager GM;
 
 	private String ldapUrl;
 	private String filter; 
@@ -55,7 +54,6 @@ public class LDAPSync implements Runnable {
 		this.filter = filter;
 		this.principal = principal;
 		this.pwd = pwd;
-		GM = new LiferayGroupManager();
 		_log.info("Starting LDAPSync over " + ldapUrl);
 	}
 
@@ -93,14 +91,14 @@ public class LDAPSync implements Runnable {
 		_log.debug("Reading Portal Organizations ...");
 		GCubeGroup rootVO = getRootVO();
 
-		_log.debug("Initializing LDAP exporter ...");
-
+		_log.debug("Initializing LDAP exporter ... ldapUrl="+ldapUrl);
 		Properties env = new Properties();
 		env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
 		env.put(Context.PROVIDER_URL, ldapUrl);
 		env.put(Context.SECURITY_PRINCIPAL, principal);
 		env.put(Context.SECURITY_CREDENTIALS, pwd);
-
+		
+		_log.debug("Initializing LDAP exporter ... principal="+principal);		
 		try {
 			DirContext ctx = new InitialDirContext(env);
 			_log.debug("Initiating LDAP Sync ...");
@@ -299,24 +297,7 @@ public class LDAPSync implements Runnable {
 		else
 			_log.warn("LDAP Users Sync cycle skipped this time");
 	}
-	/**
-	 * 
-	 * @param ctx
-	 * @param subContext
-	 * @throws NamingException
-	 */
-	private void createOrganizationalUnit(DirContext ctx, String subContext) throws NamingException {
-		Attributes attributes = new BasicAttributes();
-		Attribute objectClass = new BasicAttribute("objectClass");
-		objectClass.add("organizationalUnit");
-		attributes.put(objectClass);
 
-		Attribute description = new BasicAttribute("description");
-		description.add("Liferay Organization");		
-		attributes.put(description);		
-		ctx.createSubcontext(subContext, attributes);
-		_log.info("Added " + subContext);
-	}
 	/**
 	 * 
 	 * @param ctx
@@ -362,9 +343,6 @@ public class LDAPSync implements Runnable {
 		ctx.createSubcontext(subContext, attributes);
 	}
 
-	private String getOrgSubContext(String orgName) {
-		return "ou="+orgName+",dc=d4science,dc=org";
-	}
 
 	private String getGroupContext(String groupName) {
 		return "cn="+groupName+","+GROUPS_OU;