1 files changed, 6 insertions, 11 deletions
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
index 49f16946af..a350d7ea17 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/jsontitan/utils/InterfaceUtils.java
@@ -15,15 +15,6 @@
  */
 package org.openecomp.sdc.be.model.jsontitan.utils;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Formatter;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.stream.Collectors;
-
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
 import org.openecomp.sdc.be.datatypes.elements.InputDataDefinition;
@@ -35,6 +26,9 @@ import org.openecomp.sdc.be.model.InterfaceDefinition;
 import org.openecomp.sdc.be.model.Operation;
 import org.openecomp.sdc.be.model.Resource;
 
+import java.util.*;
+import java.util.stream.Collectors;
+
 public class InterfaceUtils {
 
     public static final String INTERFACE_TOSCA_RESOURCE_NAME = "org.openecomp.interfaces.node.lifecycle.%s";
@@ -66,8 +60,9 @@ public class InterfaceUtils {
 
     public static String createInterfaceToscaResourceName(String resourceName) {
         StringBuilder sb = new StringBuilder();
-        Formatter formatter = new Formatter(sb);
-        return formatter.format(INTERFACE_TOSCA_RESOURCE_NAME, resourceName).toString();
+        try (Formatter formatter = new Formatter(sb)){
+            return formatter.format(INTERFACE_TOSCA_RESOURCE_NAME, resourceName).toString();
+        }
     }
 
     public static Map<String, Operation> getInterfaceOperationsFromInterfaces(