diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b83d222
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/src/main/java/org/gcube/smartgears/ApplicationManagerProvider.java b/src/main/java/org/gcube/smartgears/ApplicationManagerProvider.java
index 22c3ae2..b5bcae3 100644
--- a/src/main/java/org/gcube/smartgears/ApplicationManagerProvider.java
+++ b/src/main/java/org/gcube/smartgears/ApplicationManagerProvider.java
@@ -59,7 +59,7 @@ public abstract class ApplicationManagerProvider {
 				logger.trace("getting object {} from cache ",_class.getCanonicalName());
 				return obj;
 			} else {
-				obj = _class.newInstance();
+				obj = _class.getDeclaredConstructor().newInstance();
 				classProxyObjetMap.put(_class.getCanonicalName(), obj);
 			}