diff --git a/appserver/admin/cli-optional/src/main/java/com/sun/enterprise/admin/cli/optional/DBControl.java b/appserver/admin/cli-optional/src/main/java/com/sun/enterprise/admin/cli/optional/DBControl.java
index 2a4fa9863f8..72d67edd8c1 100644
--- a/appserver/admin/cli-optional/src/main/java/com/sun/enterprise/admin/cli/optional/DBControl.java
+++ b/appserver/admin/cli-optional/src/main/java/com/sun/enterprise/admin/cli/optional/DBControl.java
@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 2017 Payara Foundation and/or its affiliates. All rights reserved.
+ * Copyright (c) [2017-2024] Payara Foundation and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -44,6 +44,7 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
+import java.nio.charset.StandardCharsets;
 
 import com.sun.enterprise.util.io.FileUtils;
 import org.glassfish.api.admin.CommandException;
@@ -84,7 +85,7 @@ protected DBControl(final String dbCommand, final String dbHost, final String db
                 }
 
                 // Redirect stdout and stderr to a file
-                try (PrintStream printStream = new PrintStream(new FileOutputStream(dbLog, true), true)) {
+                try (PrintStream printStream = new PrintStream(new FileOutputStream(dbLog, true), false, StandardCharsets.UTF_8)) {
                     System.setOut(printStream);
                     System.setErr(printStream);
                 }
diff --git a/nucleus/admin/launcher/src/main/java/com/sun/enterprise/admin/launcher/GFLauncher.java b/nucleus/admin/launcher/src/main/java/com/sun/enterprise/admin/launcher/GFLauncher.java
index 0e03b82fa34..87e6d588f92 100644
--- a/nucleus/admin/launcher/src/main/java/com/sun/enterprise/admin/launcher/GFLauncher.java
+++ b/nucleus/admin/launcher/src/main/java/com/sun/enterprise/admin/launcher/GFLauncher.java
@@ -56,6 +56,7 @@
 import com.sun.enterprise.util.io.FileUtils;
 import fish.payara.admin.launcher.PayaraDefaultJvmOptions;
 import java.io.*;
+import java.nio.charset.StandardCharsets;
 import java.util.*;
 import java.util.logging.Level;
 import java.util.regex.Matcher;
@@ -608,7 +609,7 @@ private void writeSecurityTokens(Process sp) throws GFLauncherException, IOExcep
         OutputStreamWriter osw = null;
         BufferedWriter bw = null;
         try {
-            osw = new OutputStreamWriter(os);
+            osw = new OutputStreamWriter(os, StandardCharsets.UTF_8);
             bw = new BufferedWriter(osw);
             for (String token : info.securityTokens) {
                 bw.write(token);
@@ -910,7 +911,7 @@ private Optional<JDK.Version> getConfiguredJdkVersion(String javaExePath) throws
             Runtime r = Runtime.getRuntime();
             Process p = r.exec(javaExePath + " -version");
             p.waitFor();
-            try (BufferedReader b = new BufferedReader(new InputStreamReader(p.getErrorStream()))) {
+            try (BufferedReader b = new BufferedReader(new InputStreamReader(p.getErrorStream(), StandardCharsets.UTF_8))) {
                 String line;
                 while ((line = b.readLine()) != null) {
                     Matcher m = JAVA_VERSION_PATTERN.matcher(line);
diff --git a/nucleus/admin/util/src/main/java/com/sun/enterprise/admin/remote/RemoteAdminCommand.java b/nucleus/admin/util/src/main/java/com/sun/enterprise/admin/remote/RemoteAdminCommand.java
index d2e44e1313d..93df64eda0c 100644
--- a/nucleus/admin/util/src/main/java/com/sun/enterprise/admin/remote/RemoteAdminCommand.java
+++ b/nucleus/admin/util/src/main/java/com/sun/enterprise/admin/remote/RemoteAdminCommand.java
@@ -37,7 +37,7 @@
  * only if the new code is made subject to such option by the copyright
  * holder.
  */
-// Portions Copyright [2017-2018] [Payara Foundation and/or its affiliates]
+// Portions Copyright [2017-2024] [Payara Foundation and/or its affiliates]
 
 package com.sun.enterprise.admin.remote;
 
@@ -931,8 +931,8 @@ private void doHttpCommand(String uriString, String httpMethod,
             } catch (Exception e) {
                 logger.log(Level.FINER, "doHttpCommand: exception", e);
                 ByteArrayOutputStream buf = new ByteArrayOutputStream();
-                e.printStackTrace(new PrintStream(buf));
-                logger.finer(buf.toString());
+                e.printStackTrace(new PrintStream(buf, false, UTF_8));
+                logger.finer(buf.toString(UTF_8));
                 throw new CommandException(e);
             }
         } while (shouldTryCommandAgain);
@@ -1123,7 +1123,7 @@ private StringBuilder addPasswordOption(StringBuilder uriString, String name, St
         passwordOptions
             .append(name)
             .append('=')
-            .append(URLEncoder.encode(new String(Base64.getMimeEncoder().encode(option.getBytes()), UTF_8), "UTF-8"));
+            .append(URLEncoder.encode(new String(Base64.getMimeEncoder().encode(option.getBytes(UTF_8)), UTF_8), "UTF-8"));
         
         return uriString;
     }
@@ -1341,7 +1341,7 @@ private CommandModel parseMetadata(InputStream in, StringBuilder errors) {
                 FileUtils.copy(in, baos, 0);
             } catch (IOException ex) { }
             in = new ByteArrayInputStream(baos.toByteArray());
-            String response = baos.toString();
+            String response = baos.toString(UTF_8);
             logger.finer("------- RAW METADATA RESPONSE ---------");
             logger.finer(response);
             logger.finer("------- RAW METADATA RESPONSE ---------");