diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/CrudIT.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/CrudIT.java
index f6ce24ec48fb2..e36c445082ed6 100644
--- a/client/rest-high-level/src/test/java/org/elasticsearch/client/CrudIT.java
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/CrudIT.java
@@ -615,7 +615,7 @@ public void afterBulk(long executionId, BulkRequest request, Throwable failure)
         // Pull the client to a variable to work around https://bugs.eclipse.org/bugs/show_bug.cgi?id=514884
         RestHighLevelClient hlClient = highLevelClient();
 
-        try(BulkProcessor processor = BulkProcessor.builder(hlClient::bulkAsync, listener)
+        try (BulkProcessor processor = BulkProcessor.builder(hlClient::bulkAsync, listener)
                 .setConcurrentRequests(0)
                 .setBulkSize(new ByteSizeValue(5, ByteSizeUnit.GB))
                 .setBulkActions(nbItems + 1)
diff --git a/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java b/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
index 1098cdc0b4b04..86afcc312860f 100644
--- a/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
+++ b/core/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
@@ -715,18 +715,18 @@ private static boolean awaitTermination(
      * Returns <code>true</code> if the given pool was terminated successfully. If the termination timed out,
      * the service is <code>null</code> this method will return <code>false</code>.
      */
-    public static boolean terminate(ThreadPool threadPool, long timeout, TimeUnit timeUnit) {
-        if (threadPool != null) {
+    public static boolean terminate(ThreadPool pool, long timeout, TimeUnit timeUnit) {
+        if (pool != null) {
             try {
-                threadPool.shutdown();
-                if (awaitTermination(threadPool, timeout, timeUnit)) {
+                pool.shutdown();
+                if (awaitTermination(pool, timeout, timeUnit)) {
                     return true;
                 }
                 // last resort
-                threadPool.shutdownNow();
-                return awaitTermination(threadPool, timeout, timeUnit);
+                pool.shutdownNow();
+                return awaitTermination(pool, timeout, timeUnit);
             } finally {
-                IOUtils.closeWhileHandlingException(threadPool);
+                IOUtils.closeWhileHandlingException(pool);
             }
         }
         return false;