diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/DownloadFolderServlet.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/DownloadFolderServlet.java
index 8cf20fc..16bfa30 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/DownloadFolderServlet.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/DownloadFolderServlet.java
@@ -60,7 +60,7 @@ public class DownloadFolderServlet extends HttpServlet {
 	private void createResponse(HttpServletRequest request,
 			HttpServletResponse response) throws ServletException, IOException {
 		try {
-			logger.info("DownloadFolderServlet");
+			logger.debug("DownloadFolderServlet");
 
 			HttpSession session = request.getSession();
 
diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
index dbfee7d..7a42e86 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
@@ -63,7 +63,7 @@ public class SessionUtil {
 		String groupName = null;
 
 		if (Constants.DEBUG_MODE) {
-			logger.info("No credential found in session, use test user!");
+			logger.debug("No credential found in session, use test user!");
 			/*
 			 * InfoLocale infoLocale = getInfoLocale(httpServletRequest, null);
 			 * Locale locale = new Locale(infoLocale.getLanguage());
@@ -76,15 +76,15 @@ public class SessionUtil {
 			scope = Constants.DEFAULT_SCOPE;
 			token = Constants.DEFAULT_TOKEN;
 
-			logger.info("Set SecurityToken: " + token);
+			logger.debug("Set SecurityToken: " + token);
 			SecurityTokenProvider.instance.set(token);
-			logger.info("Set ScopeProvider: " + scope);
+			logger.debug("Set ScopeProvider: " + scope);
 			ScopeProvider.instance.set(scope);
 
 			sCredentials = new ServiceCredentials(userName, scope, token);
 
 		} else {
-			logger.info("Retrieving credential in session!");
+			logger.debug("Retrieving credential in session!");
 			PortalContext pContext = PortalContext.getConfiguration();
 			boolean hasScopeGroupId = false;
 
@@ -143,9 +143,9 @@ public class SessionUtil {
 			String email = gCubeUser.getEmail();
 
 			if (hasScopeGroupId) {
-				logger.info("Set SecurityToken: " + token);
+				logger.debug("Set SecurityToken: " + token);
 				SecurityTokenProvider.instance.set(token);
-				logger.info("Set ScopeProvider: " + scope);
+				logger.debug("Set ScopeProvider: " + scope);
 				ScopeProvider.instance.set(scope);
 
 				groupId = scopeGroupId;
@@ -204,9 +204,9 @@ public class SessionUtil {
 
 		Object obj = session.getAttribute(Constants.SClientMap);
 		if (obj == null) {
-			logger.info("Create new SClientMap");
+			logger.debug("Create new SClientMap");
 			HashMap<String, SClient> sClientMap = new HashMap<>();
-			logger.info("Create new SClient");
+			logger.debug("Create new SClient");
 			SClientBuilder sBuilder = new SClient4WPSBuilder(serviceCredentials);
 			SClientDirector director = new SClientDirector();
 			director.setSClientBuilder(sBuilder);
@@ -220,10 +220,10 @@ public class SessionUtil {
 				@SuppressWarnings("unchecked")
 				HashMap<String, SClient> sClientMap = (HashMap<String, SClient>) obj;
 				if (sClientMap.containsKey(serviceCredentials.getScope())) {
-					logger.info("Use SClient in session");
+					logger.debug("Use SClient in session");
 					sClient = sClientMap.get(serviceCredentials.getScope());
 				} else {
-					logger.info("Create new SClient");
+					logger.debug("Create new SClient");
 					SClientBuilder sBuilder = new SClient4WPSBuilder(
 							serviceCredentials);
 
diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/SClient4WPS.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/SClient4WPS.java
index e0bd80e..119c5ed 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/SClient4WPS.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/SClient4WPS.java
@@ -657,7 +657,7 @@ public class SClient4WPS extends SClient {
 	public List<Parameter> getInputParameters(Operator operator)
 			throws Exception {
 		try {
-			logger.info("Parameters of algorithm " + operator.getId());
+			logger.debug("Parameters of algorithm " + operator.getId());
 
 			ProcessInformations processInformations;
 			try {
diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/wps/SClient4WPSSession.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/wps/SClient4WPSSession.java
index 75a8364..78111cc 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/wps/SClient4WPSSession.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/dmservice/wps/SClient4WPSSession.java
@@ -94,9 +94,9 @@ public class SClient4WPSSession implements Serializable {
 
 	public boolean connect(String url) throws WPSClientException {
 		logger.info("CONNECT: " + url);
-		logger.info("LoggedSevices: " + loggedServices.keySet());
+		logger.debug("LoggedSevices: " + loggedServices.keySet());
 		if (loggedServices.containsKey(url)) {
-			logger.info("Service already registered: " + url);
+			logger.debug("Service already registered: " + url);
 			return false;
 		}
 		logger.debug("Service not registered");
@@ -111,7 +111,7 @@ public class SClient4WPSSession implements Serializable {
 
 		ProcessDescriptionsDocument processDescs = describeAllProcesses(url);
 		if (processDescs != null && capsDoc != null) {
-			logger.info("Adding processes descriptions to logged services "
+			logger.debug("Adding processes descriptions to logged services "
 					+ url);
 			processDescriptions.put(url, processDescs);
 			logger.debug("ProcessDescriptions key: "
@@ -137,9 +137,9 @@ public class SClient4WPSSession implements Serializable {
 	 * @throws WPSClientException
 	 */
 	public boolean connectForMonitoring(String url) throws WPSClientException {
-		logger.info("CONNECT");
+		logger.debug("CONNECT");
 		if (loggedServices.containsKey(url)) {
-			logger.info("Service already registered: " + url);
+			logger.debug("Service already registered: " + url);
 			return false;
 		}