1 files changed, 2 insertions, 2 deletions

diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/UploadInvalidErrorBuilder.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/UploadInvalidErrorBuilder.java
index 91912bc0c9..f808d542f1 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/UploadInvalidErrorBuilder.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/UploadInvalidErrorBuilder.java
@@ -59,13 +59,13 @@ public class UploadInvalidErrorBuilder extends BaseErrorBuilder {
   }
 
   private String toString(Map<String, List<ErrorMessage>> errors) {
-    StringBuffer sb = new StringBuffer();
+    StringBuilder sb = new StringBuilder();
     errors.entrySet().stream()
         .forEach(entry -> singleErrorToString(sb, entry.getKey(), entry.getValue()));
     return sb.toString();
   }
 
-  private void singleErrorToString(StringBuffer sb, String fileName, List<ErrorMessage> errors) {
+  private void singleErrorToString(StringBuilder sb, String fileName, List<ErrorMessage> errors) {
     sb.append(System.lineSeparator());
     sb.append(fileName);
     sb.append(sb.append(": "));