diff --git a/.classpath b/.classpath
index 5162b9a..1a8c6f1 100644
--- a/.classpath
+++ b/.classpath
@@ -12,7 +12,7 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index ec4300d..e52a276 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,5 +1,5 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.compliance=1.7
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.source=1.7
diff --git a/src/main/java/org/gcube/accounting/insert/storage/utils/DiscoveryListUser.java b/src/main/java/org/gcube/accounting/insert/storage/utils/DiscoveryListUser.java
index 2a5bc18..fbf3554 100644
--- a/src/main/java/org/gcube/accounting/insert/storage/utils/DiscoveryListUser.java
+++ b/src/main/java/org/gcube/accounting/insert/storage/utils/DiscoveryListUser.java
@@ -1,11 +1,11 @@
 package org.gcube.accounting.insert.storage.utils;
+
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.util.ArrayList;
 import java.util.List;
 
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
@@ -15,40 +15,41 @@ import org.slf4j.LoggerFactory;
 import com.google.gson.Gson;
 
 /**
- * Retrieves the list user form the base url of the social-networking service in the scope provided
- * @author Alessandro Pieve at ISTI-CNR 
- * (alessandro.pieve@isti.cnr.it)
+ * Retrieves the list user form the base url of the social-networking service in
+ * the scope provided
+ * 
+ * @author Alessandro Pieve at ISTI-CNR (alessandro.pieve@isti.cnr.it)
  */
 public class DiscoveryListUser {
 
 	private static Logger log = LoggerFactory.getLogger(DiscoveryListUser.class);
 
 	private List<String> listUser = null;
-	public DiscoveryListUser(String context,String urlService)  {
 
+	public DiscoveryListUser(String context, String urlService) {
 
-		try{
-			String token =SecurityTokenProvider.instance.get();
-			DiscoveryServiceListUser discoveryList= new DiscoveryServiceListUser(context);
-			if (urlService==null){
-				urlService=discoveryList.getBasePath()+"="+token;
+		try {
+			String token = SecurityTokenProvider.instance.get();
+			DiscoveryServiceListUser discoveryList = new DiscoveryServiceListUser(context);
+			if (urlService == null) {
+				urlService = discoveryList.getBasePath() + "=" + token;
 			}
-			log.debug("service DiscoveryServiceListUser:"+urlService);
-			log.debug("scope:{} ,tokend:{}",context,token);
+			log.debug("service DiscoveryServiceListUser:" + urlService);
+			log.debug("scope:{} ,tokend:{}", context, token);
 			String data = getJSON(urlService);
-			log.debug("data read:{}",data);
+			log.debug("data read:{}", data);
 			ListUser msg = new Gson().fromJson(data, ListUser.class);
-			//TODO for debug limit a list user:
-			listUser=msg.getResult();
-		}
-		catch (Exception ex) {
-			log.error("DiscoveryListUserException:{}",ex);
-			throw ex ;
+			// TODO for debug limit a list user:
+			listUser = msg.getResult();
+		} catch (Exception ex) {
+			log.error("DiscoveryListUserException:{}", ex);
+			throw ex;
 		}
 	}
 
 	/**
 	 * Get the base path of the social networking service
+	 * 
 	 * @return
 	 */
 	public List<String> getListUser() {
@@ -67,40 +68,39 @@ public class DiscoveryListUser {
 			c = (HttpURLConnection) u.openConnection();
 			c.setRequestMethod("GET");
 			c.setRequestProperty("Content-length", "0");
-			c.setFollowRedirects(true);	        
+			HttpURLConnection.setFollowRedirects(true);
 			c.setUseCaches(false);
-			c.setAllowUserInteraction(false);	     
+			c.setAllowUserInteraction(false);
 			c.connect();
 			int status = c.getResponseCode();
-			log.debug("status:{}",status);
+			log.debug("status:{}", status);
 			switch (status) {
 			case 200:
-			case 201:	            		           
+			case 201:
 				BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
 				StringBuilder sb = new StringBuilder();
 				String line;
 				while ((line = br.readLine()) != null) {
-					sb.append(line+"\n");
+					sb.append(line + "\n");
 				}
 				br.close();
 				return sb.toString();
 			}
 
 		} catch (MalformedURLException ex) {
-			log.error("MalformedURLException:{}",ex);
+			log.error("MalformedURLException:{}", ex);
 
 		} catch (IOException ex) {
-			log.error("IOException:{}",ex);
+			log.error("IOException:{}", ex);
 		} finally {
 			if (c != null) {
 				try {
 					c.disconnect();
 				} catch (Exception ex) {
-					log.error("Exception:{}",ex);
+					log.error("Exception:{}", ex);
 				}
 			}
 		}
 		return null;
 	}
 }
-