Handled special chars and added some logging

src/main/java/it/inaf/oats/vospace/exception/InvalidURIException.java

@@ -7,12 +7,15 @@ import org.springframework.web.bind.annotation.ResponseStatus;
 public class InvalidURIException extends VoSpaceException {
 
     public InvalidURIException(String URI, String path) {
-        super("InvalidURI. Payload node URI: " + URI + 
-                " is not consistent with request path: " + path);
+        super("InvalidURI. Payload node URI: " + URI
+                + " is not consistent with request path: " + path);
     }
 
-    public InvalidURIException(String URI)
-    {
+    public InvalidURIException(String URI) {
         super("InvalidURI. URI: " + URI + " is not in a valid format");
     }
+
+    public InvalidURIException(IllegalArgumentException ex) {
+        super("InvalidURI. " + ex.getMessage());
+    }
 }