--- a/src/java.base/share/classes/sun/security/ssl/SunX509KeyManagerImpl.java	Mon Jun 25 21:22:16 2018 +0300
+++ b/src/java.base/share/classes/sun/security/ssl/SunX509KeyManagerImpl.java	Mon Jun 25 13:41:39 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, 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
@@ -25,13 +25,27 @@
 
 package sun.security.ssl;
 
-import javax.net.ssl.*;
-import java.security.*;
-import java.security.cert.*;
+import java.net.Socket;
+import java.security.Key;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.Principal;
+import java.security.PrivateKey;
+import java.security.UnrecoverableKeyException;
 import java.security.cert.Certificate;
-import java.util.*;
-import java.net.Socket;
-
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import javax.net.ssl.SSLEngine;
+import javax.net.ssl.X509ExtendedKeyManager;
 import javax.security.auth.x500.X500Principal;
 
 
@@ -67,8 +81,6 @@
  */
 final class SunX509KeyManagerImpl extends X509ExtendedKeyManager {
 
-    private static final Debug debug = Debug.getInstance("ssl");
-
     private static final String[] STRING0 = new String[0];
 
     /*
@@ -148,14 +160,8 @@
             X509Credentials cred = new X509Credentials((PrivateKey)key,
                 (X509Certificate[])certs);
             credentialsMap.put(alias, cred);
-            if (debug != null && Debug.isOn("keymanager")) {
-                System.out.println("***");
-                System.out.println("found key for : " + alias);
-                for (int i = 0; i < certs.length; i++) {
-                    System.out.println("chain [" + i + "] = "
-                    + certs[i]);
-                }
-                System.out.println("***");
+            if (SSLLogger.isOn && SSLLogger.isOn("keymanager")) {
+                SSLLogger.fine("found key for : " + alias, (Object[])certs);
             }
         }
     }
@@ -382,8 +388,8 @@
             if (issuers.length == 0) {
                 // no issuer specified, match all
                 aliases.add(alias);
-                if (debug != null && Debug.isOn("keymanager")) {
-                    System.out.println("matching alias: " + alias);
+                if (SSLLogger.isOn && SSLLogger.isOn("keymanager")) {
+                    SSLLogger.fine("matching alias: " + alias);
                 }
             } else {
                 Set<X500Principal> certIssuers =
@@ -391,8 +397,8 @@
                 for (int i = 0; i < x500Issuers.length; i++) {
                     if (certIssuers.contains(issuers[i])) {
                         aliases.add(alias);
-                        if (debug != null && Debug.isOn("keymanager")) {
-                            System.out.println("matching alias: " + alias);
+                        if (SSLLogger.isOn && SSLLogger.isOn("keymanager")) {
+                            SSLLogger.fine("matching alias: " + alias);
                         }
                         break;
                     }