diff --git a/jdk/test/java/net/httpclient/APIErrors.java b/jdk/test/java/net/httpclient/APIErrors.java
index 6ac31c50978..fdda70fafb4 100644
--- a/jdk/test/java/net/httpclient/APIErrors.java
+++ b/jdk/test/java/net/httpclient/APIErrors.java
@@ -21,10 +21,11 @@
  * questions.
  */
 
-/**
+/*
  * @test
  * @bug 8087112
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @library /lib/testlibrary/
  * @build jdk.testlibrary.SimpleSSLContext ProxyServer
@@ -35,13 +36,23 @@
  */
 //package javaapplication16;
 
-import com.sun.net.httpserver.*;
+import com.sun.net.httpserver.HttpContext;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsServer;
 import java.io.IOException;
-import java.net.*;
-import java.net.http.*;
+import java.net.InetSocketAddress;
+import java.net.PasswordAuthentication;
+import java.net.ProxySelector;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.concurrent.*;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
 import java.util.function.Supplier;
 
 /**
diff --git a/jdk/test/java/net/httpclient/ManyRequests.java b/jdk/test/java/net/httpclient/ManyRequests.java
index 60d641e8f37..9584fa50e58 100644
--- a/jdk/test/java/net/httpclient/ManyRequests.java
+++ b/jdk/test/java/net/httpclient/ManyRequests.java
@@ -21,10 +21,11 @@
  * questions.
  */
 
-/**
+/*
  * @test
  * @bug 8087112
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @library /lib/testlibrary/ /
  * @build jdk.testlibrary.SimpleSSLContext EchoHandler
@@ -36,7 +37,9 @@
 
 //package javaapplication16;
 
-import com.sun.net.httpserver.*;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsParameters;
+import com.sun.net.httpserver.HttpsServer;
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.net.http.HttpClient;
@@ -48,9 +51,10 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.Random;
-import java.util.logging.*;
+import java.util.logging.Logger;
+import java.util.logging.Level;
 import java.util.concurrent.CompletableFuture;
-import javax.net.ssl.*;
+import javax.net.ssl.SSLContext;
 import jdk.testlibrary.SimpleSSLContext;
 
 public class ManyRequests {
diff --git a/jdk/test/java/net/httpclient/RequestBodyTest.java b/jdk/test/java/net/httpclient/RequestBodyTest.java
index 9347ef65619..72d60395c38 100644
--- a/jdk/test/java/net/httpclient/RequestBodyTest.java
+++ b/jdk/test/java/net/httpclient/RequestBodyTest.java
@@ -21,9 +21,10 @@
  * questions.
  */
 
-/**
+/*
  * @test @bug 8087112
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @library /lib/testlibrary/ /
  * @compile ../../../com/sun/net/httpserver/LogFilter.java
diff --git a/jdk/test/java/net/httpclient/SmokeTest.java b/jdk/test/java/net/httpclient/SmokeTest.java
index 93a864d8fad..26348344b87 100644
--- a/jdk/test/java/net/httpclient/SmokeTest.java
+++ b/jdk/test/java/net/httpclient/SmokeTest.java
@@ -21,10 +21,11 @@
  * questions.
  */
 
-/**
+/*
  * @test
  * @bug 8087112
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @library /lib/testlibrary/ /
  * @build jdk.testlibrary.SimpleSSLContext ProxyServer EchoHandler
@@ -33,13 +34,40 @@
  * @run main/othervm SmokeTest
  */
 
-import com.sun.net.httpserver.*;
-import java.net.*;
-import java.net.http.*;
-import java.io.*;
-import java.util.concurrent.*;
-import javax.net.ssl.*;
-import java.nio.file.*;
+import com.sun.net.httpserver.Headers;
+import com.sun.net.httpserver.HttpContext;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsConfigurator;
+import com.sun.net.httpserver.HttpsParameters;
+import com.sun.net.httpserver.HttpsServer;
+import java.net.InetSocketAddress;
+import java.net.PasswordAuthentication;
+import java.net.ProxySelector;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLParameters;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
diff --git a/jdk/test/java/net/httpclient/security/Driver.java b/jdk/test/java/net/httpclient/security/Driver.java
index 802826ed89e..dedcf3542e4 100644
--- a/jdk/test/java/net/httpclient/security/Driver.java
+++ b/jdk/test/java/net/httpclient/security/Driver.java
@@ -28,6 +28,7 @@
  * @bug 8087112
  * @library /lib/testlibrary/
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @build jdk.testlibrary.SimpleSSLContext jdk.testlibrary.Utils
  * @compile ../../../../com/sun/net/httpserver/LogFilter.java
diff --git a/jdk/test/java/net/httpclient/security/Security.java b/jdk/test/java/net/httpclient/security/Security.java
index 5c282be9a36..e7696f3c42a 100644
--- a/jdk/test/java/net/httpclient/security/Security.java
+++ b/jdk/test/java/net/httpclient/security/Security.java
@@ -23,10 +23,11 @@
  * questions.
  */
 
-/**
+/*
  * @test
  * @bug 8087112
  * @modules java.httpclient
+ *          java.logging
  *          jdk.httpserver
  * @library /lib/testlibrary/
  * @build jdk.testlibrary.SimpleSSLContext
@@ -50,14 +51,27 @@
 
 // Tests 1, 10, 11 and 12 executed from Driver
 
-import com.sun.net.httpserver.*;
+import com.sun.net.httpserver.Headers;
+import com.sun.net.httpserver.HttpContext;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpsServer;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.File;
 import java.io.OutputStream;
 import java.lang.reflect.Constructor;
-import java.net.*;
-import java.net.http.*;
+import java.net.BindException;
+import java.net.InetSocketAddress;
+import java.net.ProxySelector;
+import java.net.URI;
+import java.net.URLClassLoader;
+import java.net.URL;
+import java.net.http.HttpHeaders;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -66,13 +80,15 @@ import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.concurrent.*;
-import java.util.function.*;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
+import java.util.function.LongConsumer;
 import java.util.logging.ConsoleHandler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.lang.reflect.InvocationTargetException;
-import java.net.BindException;
 
 /**
  * Security checks test