diff --git a/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportRemoteTests.java b/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportRemoteTests.java
index 32fe026571..f85db8b524 100644
--- a/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportRemoteTests.java
+++ b/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportRemoteTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2017 WindRiver Corporation and others.
+ * Copyright (c) 2011, 2025 WindRiver Corporation and others.
  *
  * This program and the accompanying materials 
  * are made available under the terms of the Eclipse Public License 2.0
@@ -15,6 +15,7 @@
 
 import java.io.*;
 import java.net.*;
+import java.nio.file.Files;
 import java.util.List;
 import org.eclipse.core.runtime.*;
 import org.eclipse.equinox.internal.p2.importexport.IUDetail;
@@ -71,11 +72,11 @@ public void testExportFeaturesFromRemoteRepository()
 			IMetadataRepository repo = metaManager.loadRepository(uri, null);
 			assertNotNull("Fail to load remote repo", repo);
 			IInstallableUnit iu = AbstractProvisioningTest.createIU("A", Version.create("1.0.0"));
-			try (OutputStream output = new FileOutputStream(testFile)) {
+			try (OutputStream output = Files.newOutputStream(testFile.toPath())) {
 				IStatus status = importexportService.exportP2F(output, new IInstallableUnit[] { iu }, false, null);
 				assertTrue("Not expected return result.", status.isOK());
 			}
-			try (InputStream input = new FileInputStream(testFile)) {
+			try (InputStream input = Files.newInputStream(testFile.toPath())) {
 				List<IUDetail> ius = importexportService.importP2F(input);
 				assertEquals("Exported the number of features is not expected.", 1, ius.size());
 				assertEquals("Exported feature is not expected.", iu, ius.get(0).getIU());
@@ -121,11 +122,11 @@ public void testExportFeaturesFromBothRemoteRepositoryAndLocalRepository()
 			IMetadataRepository repo = metaManager.loadRepository(uri, null);
 			assertNotNull("Fail to load remote repo", repo);
 			IInstallableUnit iu = AbstractProvisioningTest.createIU("A", Version.create("1.0.0"));
-			try (OutputStream output = new FileOutputStream(testFile)) {
+			try (OutputStream output = Files.newOutputStream(testFile.toPath())) {
 				IStatus status = importexportService.exportP2F(output, new IInstallableUnit[] { iu }, false, null);
 				assertTrue("Not expected return result.", status.isOK());
 			}
-			try (InputStream input = new FileInputStream(testFile)) {
+			try (InputStream input = Files.newInputStream(testFile.toPath())) {
 				List<IUDetail> ius = importexportService.importP2F(input);
 				assertEquals("Exported the number of features is not expected.", 1, ius.size());
 				assertEquals("Exported feature is not expected.", iu, ius.get(0).getIU());
diff --git a/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportTests.java b/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportTests.java
index cbde872269..ccbc4135d6 100644
--- a/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportTests.java
+++ b/bundles/org.eclipse.equinox.p2.tests.ui/src/org/eclipse/equinox/p2/tests/importexport/ImportExportTests.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2017 WindRiver Corporation and others.
+ * Copyright (c) 2011, 2025 WindRiver Corporation and others.
  *
  * This program and the accompanying materials 
  * are made available under the terms of the Eclipse Public License 2.0
@@ -17,6 +17,7 @@
 import static org.junit.Assert.assertThrows;
 
 import java.io.*;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.List;
 import org.eclipse.core.runtime.IStatus;
@@ -67,7 +68,7 @@ protected void tearDown() throws Exception {
 	public void testLoadP2f() throws IOException {
 		File p2fFile = getTestData("Error load test file.", "testData/importexport/test.p2f");
 
-		try (InputStream input = new FileInputStream(p2fFile)) {
+		try (InputStream input = Files.newInputStream(p2fFile.toPath())) {
 			List<IUDetail> iuDetails = importexportService.importP2F(input);
 			assertEquals("Should load two features from the p2f file.", 2, iuDetails.size());
 			int counter = 0;
@@ -88,7 +89,7 @@ public void testLoadP2f() throws IOException {
 	public void testLoadUnknownP2f() throws IOException {
 		File p2fFile = getTestData("Error load test file.", "testData/importexport/unknownformat.p2f");
 
-		try (InputStream input = new FileInputStream(p2fFile)) {
+		try (InputStream input = Files.newInputStream(p2fFile.toPath())) {
 			List<IUDetail> iuDetails = importexportService.importP2F(input);
 			assertEquals("Should not load any detail.", 0, iuDetails.size());
 		}
@@ -97,7 +98,7 @@ public void testLoadUnknownP2f() throws IOException {
 	public void testIncompatibleP2f() throws IOException {
 		File p2fFile = getTestData("Error load test file.", "testData/importexport/incompatible.p2f");
 
-		try (InputStream input = new FileInputStream(p2fFile)) {
+		try (InputStream input = Files.newInputStream(p2fFile.toPath())) {
 			assertThrows("Didn't complain the given file is not supported by current version.",
 					VersionIncompatibleException.class, () -> importexportService.importP2F(input));
 		}
@@ -112,7 +113,7 @@ public void testExportFeaturesInstalledFromLocal()
 			IMetadataRepository repo = metaManager.loadRepository(localRepoFile.toURI(), null);
 			assertNotNull("Fail to load local repo", repo);
 			IInstallableUnit iu = createIU("A", Version.create("1.0.0"));
-			try (OutputStream output = new FileOutputStream(testFile)) {
+			try (OutputStream output = Files.newOutputStream(testFile.toPath())) {
 				IStatus status = importexportService.exportP2F(output, new IInstallableUnit[] { iu }, false, null);
 				assertFalse("Not expected return result.", status.isOK());
 				assertTrue("Should be a multiple status", status.isMultiStatus());
@@ -137,7 +138,7 @@ public void testAllowExportFeaturesInstalledFromLocal()
 			IMetadataRepository repo = metaManager.loadRepository(localRepoFile.toURI(), null);
 			assertNotNull("Fail to load local repo", repo);
 			IInstallableUnit iu = createIU("A", Version.create("1.0.0"));
-			try (OutputStream output = new FileOutputStream(testFile)) {
+			try (OutputStream output = Files.newOutputStream(testFile.toPath())) {
 				IStatus status = importexportService.exportP2F(output, new IInstallableUnit[] { iu }, true, null);
 				assertTrue(status.isOK());
 			}
diff --git a/bundles/org.eclipse.equinox.p2.tests.verifier/META-INF/MANIFEST.MF b/bundles/org.eclipse.equinox.p2.tests.verifier/META-INF/MANIFEST.MF
index 523f5883fc..c615813253 100644
--- a/bundles/org.eclipse.equinox.p2.tests.verifier/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.equinox.p2.tests.verifier/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: org.eclipse.equinox.p2.tests.verifier;singleton:=true
-Bundle-Version: 1.4.400.qualifier
+Bundle-Version: 1.4.500.qualifier
 Export-Package: org.eclipse.equinox.internal.p2.tests.verifier;x-internal:=true
 Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.equinox.p2.core,
diff --git a/bundles/org.eclipse.equinox.p2.tests.verifier/src/org/eclipse/equinox/internal/p2/tests/verifier/VerifierApplication.java b/bundles/org.eclipse.equinox.p2.tests.verifier/src/org/eclipse/equinox/internal/p2/tests/verifier/VerifierApplication.java
index dd63131450..d4d4dad4f2 100644
--- a/bundles/org.eclipse.equinox.p2.tests.verifier/src/org/eclipse/equinox/internal/p2/tests/verifier/VerifierApplication.java
+++ b/bundles/org.eclipse.equinox.p2.tests.verifier/src/org/eclipse/equinox/internal/p2/tests/verifier/VerifierApplication.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2018 IBM Corporation and others.
+ * Copyright (c) 2009, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -17,6 +17,7 @@
 
 import java.io.*;
 import java.net.URI;
+import java.nio.file.Files;
 import java.util.*;
 import java.util.Map.Entry;
 import org.eclipse.core.runtime.*;
@@ -124,7 +125,7 @@ private void processArguments(String[] args) {
 	 */
 	private Properties readProperties(File file) throws IOException {
 		Properties result = new Properties();
-		try (InputStream input = new BufferedInputStream(new FileInputStream(file))) {
+		try (BufferedReader input = Files.newBufferedReader(file.toPath())) {
 			result.load(input);
 			return result;
 		}