8353847: Remove extra args to System.out.printf in open/test/jdk/java/net/httpclient tests

Backport-of: f94a4f7accd11161912ec2cdae6e290d0957666a

Author: GoeLin

test/jdk/java/net/httpclient/AsyncShutdownNow.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -208,7 +208,7 @@ void testConcurrent(String uriString) throws Exception {
                     Thread.sleep(sleep);
                 }
                 if (i == step) {
-                    out.printf("%d: shutting down client now%n", i, sleep);
+                    out.printf("%d: shutting down client now%n", i);
                     client.shutdownNow();
                 }
                 var cf = bodyCF.exceptionally((t) -> {
@@ -304,7 +304,7 @@ void testSequential(String uriString) throws Exception {
                     Thread.sleep(sleep);
                 }
                 if (i == step) {
-                    out.printf("%d: shutting down client now%n", i, sleep);
+                    out.printf("%d: shutting down client now%n", i);
                     client.shutdownNow();
                 }
                 bodyCF.handle((r, t) -> {

test/jdk/java/net/httpclient/HttpClientShutdown.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -192,7 +192,7 @@ ExchangeResult<T> assertResponseState() {
                 out.println(now() + step + ":  Got response: " + response);
                 assertEquals(response.statusCode(), 200);
             } catch (AssertionError error) {
-                out.printf(now() + "%s:  Closing body due to assertion - %s", error);
+                out.printf(now() + "%s:  Closing body due to assertion - %s", step, error);
                 ensureClosed(this);
                 throw error;
             }
@@ -276,7 +276,7 @@ void testConcurrent(String uriString) throws Exception {
                     continue;
                 }
                 if (i == step) {
-                    out.printf(now() + "%d: shutting down client%n", i, sleep);
+                    out.printf(now() + "%d: shutting down client%n", i);
                     client.shutdown();
                 }
                 var cf = bodyCF.exceptionally((t) -> {
@@ -375,7 +375,7 @@ void testSequential(String uriString) throws Exception {
                     continue;
                 }
                 if (i == step) {
-                    out.printf(now() + "%d: shutting down client%n", i, sleep);
+                    out.printf(now() + "%d: shutting down client%n", i);
                     client.shutdown();
                 }
                 bodyCF.handle((r, t) -> {

test/jdk/java/net/httpclient/ShutdownNow.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -182,7 +182,7 @@ void testConcurrent(String uriString) throws Exception {
                     Thread.sleep(sleep);
                 }
                 if (i == step) {
-                    out.printf("%d: shutting down client now%n", i, sleep);
+                    out.printf("%d: shutting down client now%n", i);
                     client.shutdownNow();
                 }
                 final int si = i;
@@ -238,7 +238,7 @@ void testSequential(String uriString) throws Exception {
                     Thread.sleep(sleep);
                 }
                 if (i == step) {
-                    out.printf("%d: shutting down client now%n", i, sleep);
+                    out.printf("%d: shutting down client now%n", i);
                     client.shutdownNow();
                 }
                 final int si = i;