Make final.

1 files changed, 2 insertions, 2 deletions

diff --git a/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java b/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
index 86468806d99..fe24759ba63 100644
--- a/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
+++ b/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
@@ -53,8 +53,8 @@ public class RestApi extends LoggingRequestHandler {
     private static final String APPLICATION_JSON = "application/json";
     private final OperationHandler operationHandler;
     private SingleDocumentParser singleDocumentParser;
-    private ObjectMapper mapper = new ObjectMapper();
-    private AtomicInteger threadsAvailableForApi;
+    private final ObjectMapper mapper = new ObjectMapper();
+    private final AtomicInteger threadsAvailableForApi;
 
     @Inject
     public RestApi(Executor executor, AccessLog accessLog, DocumentmanagerConfig documentManagerConfig,