diff --git a/test/jdk/sun/security/krb5/auto/ReplayCacheTestProc.java b/test/jdk/sun/security/krb5/auto/ReplayCacheTestProc.java
index e0dfaa541c4..76897e224bf 100644
--- a/test/jdk/sun/security/krb5/auto/ReplayCacheTestProc.java
+++ b/test/jdk/sun/security/krb5/auto/ReplayCacheTestProc.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2026, 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
@@ -34,7 +34,10 @@
  *      -Dtest.libs=N ReplayCacheTestProc
  */
 
-import java.io.*;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
 import java.nio.BufferUnderflowException;
 import java.nio.channels.SeekableByteChannel;
 import java.nio.file.Files;
@@ -43,13 +46,19 @@
 import java.nio.file.StandardOpenOption;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.HexFormat;
+import java.util.List;
+import java.util.Random;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import jdk.test.lib.Asserts;
 import jdk.test.lib.Platform;
 import jdk.test.lib.process.Proc;
+import jtreg.SkippedException;
 import sun.security.jgss.GSSUtil;
 import sun.security.krb5.internal.rcache.AuthTime;
 
@@ -126,8 +135,7 @@ public static void main0(String[] args) throws Exception {
             libs = userLibs.split(",");
             if (Arrays.asList(libs).contains("N") && !isNativeLibAvailable()) {
                 // Skip test when native GSS libs are not available in running platform
-                System.out.println("Native mode not available - skipped");
-                return;
+                throw new SkippedException("Native mode not available - skipped");
             }
 
             KDC kdc = KDC.create(OneKDC.REALM, HOST, 0, true);
diff --git a/test/jdk/sun/security/krb5/config/ConfPlusProp.java b/test/jdk/sun/security/krb5/config/ConfPlusProp.java
index b7dc4924fc8..98e4818f073 100644
--- a/test/jdk/sun/security/krb5/config/ConfPlusProp.java
+++ b/test/jdk/sun/security/krb5/config/ConfPlusProp.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2026, 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
@@ -25,12 +25,14 @@
  * @bug 6857795
  * @bug 6858589
  * @bug 6972005
+ * @library /test/lib/
  * @modules java.security.jgss/sun.security.krb5
  * @compile -XDignore.symbol.file ConfPlusProp.java
  * @run main/othervm ConfPlusProp
  * @summary krb5.conf ignored if system properties on realm and kdc are provided
  */
 
+import jtreg.SkippedException;
 import sun.security.krb5.Config;
 
 public class ConfPlusProp {
@@ -38,9 +40,8 @@ public class ConfPlusProp {
     public static void main(String[] args) throws Exception {
         if (System.getenv("USERDNSDOMAIN") != null ||
                 System.getenv("LOGONSERVER") != null) {
-            System.out.println(
-                    "Looks like a Windows machine in a domain. Skip test.");
-            return;
+            throw new SkippedException(
+                    "Test cannot run in a domain.");
         }
         new ConfPlusProp().run();
     }
diff --git a/test/jdk/sun/security/ssl/CertPathRestrictions/TLSRestrictions.java b/test/jdk/sun/security/ssl/CertPathRestrictions/TLSRestrictions.java
index f7a7fabca31..aa3f3e1ae7b 100644
--- a/test/jdk/sun/security/ssl/CertPathRestrictions/TLSRestrictions.java
+++ b/test/jdk/sun/security/ssl/CertPathRestrictions/TLSRestrictions.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2026, 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
@@ -49,6 +49,7 @@
 
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.process.ProcessTools;
+import jtreg.SkippedException;
 
 /*
  * @test
@@ -250,8 +251,7 @@ static void testConstraint(String[] trustNames, String[] certNames,
             Exception serverException = serverFuture.get(TIMEOUT, TimeUnit.MILLISECONDS);
             if (serverException instanceof SocketTimeoutException
                     || clientOut.contains("SocketTimeoutException")) {
-                System.out.println("The communication gets timeout and skips the test.");
-                return;
+                throw new SkippedException("The communication gets timeout.");
             }
 
             if (pass) {
diff --git a/test/jdk/sun/security/util/Resources/Usages.java b/test/jdk/sun/security/util/Resources/Usages.java
index 447a4cb4913..e5f6a15ce28 100644
--- a/test/jdk/sun/security/util/Resources/Usages.java
+++ b/test/jdk/sun/security/util/Resources/Usages.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2026, 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
@@ -29,9 +29,12 @@
  *          java.base/sun.security.tools.keytool.resources
  *          jdk.jartool/sun.security.tools.jarsigner.resources
  * @summary Check usages of security-related Resources files
+ * @library /test/lib/
  * @run main/othervm Usages
  */
 
+import jtreg.SkippedException;
+
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.nio.file.Files;
@@ -149,7 +152,7 @@ public static void main(String[] args) {
         if (Files.exists(SRC)) {
             MAP.forEach(Usages::check);
         } else {
-            System.out.println("No src directory. Test skipped.");
+            throw new SkippedException("No src directory");
         }
     }