diff --git a/.classpath b/.classpath
index 24bc4d8..3af1ad0 100644
--- a/.classpath
+++ b/.classpath
@@ -25,7 +25,7 @@
 			<attribute name="org.eclipse.jst.component.nondependency" value=""/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+	<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 8db228c..a5c7673 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -1,6 +1,6 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-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.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
diff --git a/src/main/java/org/gcube/socialnetworking/socialtoken/SanitizedURL.java b/src/main/java/org/gcube/socialnetworking/socialtoken/SanitizedURL.java
index 2b59fd0..8a4bc62 100644
--- a/src/main/java/org/gcube/socialnetworking/socialtoken/SanitizedURL.java
+++ b/src/main/java/org/gcube/socialnetworking/socialtoken/SanitizedURL.java
@@ -13,11 +13,13 @@ public class SanitizedURL {
 	protected final URL url;
 	
 	public SanitizedURL(String urlString) throws MalformedURLException {
-		if(Objects.isNull(urlString) || urlString.isEmpty()) {
+		if(Objects.isNull(urlString) || urlString.isEmpty() || urlString.length()<2) {
 			throw new MalformedURLException();
 		}
 		
-		prefix = urlString.substring(0,1);;
+		
+		
+		prefix = urlString.substring(0,1);
 		if(prefix.matches(CHARACTERS_TO_REMOVE)) {
 			prefix = urlString.substring(0, 1);
 			urlString = urlString.substring(1);