diff --git a/appserver/common/amx-jakartaee/src/main/java/org/glassfish/admin/amx/impl/j2ee/loader/AMXJ2EEStartupService.java b/appserver/common/amx-jakartaee/src/main/java/org/glassfish/admin/amx/impl/j2ee/loader/AMXJ2EEStartupService.java
index 798500f9401..9ba0bdb4742 100644
--- a/appserver/common/amx-jakartaee/src/main/java/org/glassfish/admin/amx/impl/j2ee/loader/AMXJ2EEStartupService.java
+++ b/appserver/common/amx-jakartaee/src/main/java/org/glassfish/admin/amx/impl/j2ee/loader/AMXJ2EEStartupService.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2006, 2022 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -61,10 +62,6 @@ public final class AMXJ2EEStartupService
         org.glassfish.hk2.api.PreDestroy,
         AMXLoader, ConfigListener {
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
-
     @Inject
     private MBeanServer mMBeanServer;
 
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/base/MBeanTracker.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/base/MBeanTracker.java
index b29c4662d74..2a886d117d7 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/base/MBeanTracker.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/base/MBeanTracker.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -38,9 +39,6 @@
 @AMXMBeanMetadata(singleton = true, globalSingleton = true, leaf = true)
 public final class MBeanTracker implements NotificationListener, MBeanRegistration, MBeanTrackerMBean {
 
-    private static void debug(final Object o) {
-        System.out.println("" + o);
-    }
     /**
      * maps a parent ObjectName to a Set of children
      */
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/PathnameParser.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/PathnameParser.java
index 4db7c100d6e..faaeed3b347 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/PathnameParser.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/PathnameParser.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -14,10 +15,6 @@
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  */
 
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
 package org.glassfish.admin.amx.core;
 
 import java.util.ArrayList;
@@ -40,11 +37,6 @@
 @Taxonomy(stability = Stability.UNCOMMITTED)
 public final class PathnameParser
 {
-    private static void debug(final Object o)
-    {
-        System.out.println("" + o);
-    }
-
     private final char mDelim;
 
     private final char mNameLeft;
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/Util.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/Util.java
index 4965b0047ee..578d5081c69 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/Util.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/core/Util.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -51,10 +52,6 @@ public final class Util {
 
     private static final String QUOTE_CHAR = "\"";
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
-
     public static String quoteIfNeeded(String name) {
         if(name.indexOf(":") > 1) {
            return ObjectName.quote(name);
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/AMXStartupService.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/AMXStartupService.java
index be9162e6cfe..5099d059d4f 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/AMXStartupService.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/AMXStartupService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Contributors to the Eclipse Foundation
+ * Copyright (c) 2022, 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -66,10 +66,6 @@ public final class AMXStartupService
         org.glassfish.hk2.api.PreDestroy,
         AMXStartupServiceMBean {
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
-
     @Inject
     ServiceLocator mHabitat;
     @Inject
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigLoader.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigLoader.java
index 65ae4808acd..9ad9e6612b9 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigLoader.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigLoader.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -53,9 +54,6 @@ Responsible for loading ConfigBeanProxy MBeans (com.sun.enterprise.config.server
 public final class AMXConfigLoader
         implements TransactionListener {
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
     private volatile AMXConfigLoaderThread mLoaderThread;
     private final Transactions mTransactions;
     private final Logger mLogger = AMXLoggerInfo.getLogger();
@@ -209,7 +207,7 @@ private void sortAndDispatch(
                         issueAttributeChange(cb, propertyName, oldValue, newValue, whenChanged);
                     }
                 } else {
-                    debug("AMXConfigLoader.sortAndDispatch: WARNING: source is not a ConfigBean");
+                    mLogger.fine("AMXConfigLoader.sortAndDispatch: WARNING: source is not a ConfigBean");
                 }
             }
         }
@@ -482,8 +480,7 @@ private ObjectName createAndRegister(
             //System.out.println( "AMXConfigLoader.createAndRegister(): REGISTERED: " + objectName + " at " + System.currentTimeMillis() );
             //System.out.println( JMXUtil.toString( mServer.getMBeanInfo(objectName) ) );
         } catch (final JMException e) {
-            debug(ExceptionUtil.toString(e));
-
+            mLogger.log(Level.WARNING, AMXLoggerInfo.cantRegister, new Object[]{getType(cb), getKey(cb), e});
             objectName = null;
         }
         return objectName;
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigStartupService.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigStartupService.java
index a89ee9c6761..db74c1acd2e 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigStartupService.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AMXConfigStartupService.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -55,9 +56,6 @@ public final class AMXConfigStartupService
         org.glassfish.hk2.api.PreDestroy,
         AMXLoader {
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
     @Inject
     InjectedValues mInjectedValues;
     @Inject//(name=AppserverMBeanServerFactory.OFFICIAL_MBEANSERVER)
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AttributeResolverHelper.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AttributeResolverHelper.java
index e472a03d285..bc257ca01dc 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AttributeResolverHelper.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/AttributeResolverHelper.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2011, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -43,10 +44,6 @@
 @Taxonomy( stability = Stability.UNCOMMITTED)
 public class AttributeResolverHelper extends VariableResolver {
 
-    private static void debug(final String s) {
-        System.out.println("##### " + s);
-    }
-
     public AttributeResolverHelper(final AMXConfigProxy amx) {
     }
 
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanJMXSupport.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanJMXSupport.java
index 04691e4ea10..ae5cba94985 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanJMXSupport.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanJMXSupport.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Contributors to the Eclipse Foundation
+ * Copyright (c) 2023, 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2009, 2020 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -1601,12 +1601,6 @@ public Map<String, String> getDefaultValues(final boolean useAttributeNames)
         }
         return m;
     }
-
-    private static void debug(final String s)
-    {
-        System.out.println("### " + s);
-    }
-
 }
 
 
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanRegistry.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanRegistry.java
index d5caeb3e473..ad1adc38118 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanRegistry.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/config/ConfigBeanRegistry.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -13,12 +14,6 @@
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  */
-
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
-
 package org.glassfish.admin.amx.impl.config;
 
 import java.util.concurrent.ConcurrentHashMap;
@@ -35,7 +30,6 @@
  */
 @Taxonomy( stability=Stability.NOT_AN_INTERFACE )
 public final class ConfigBeanRegistry {
-    private static void debug( final String s ) { System.out.println(s); }
 
     public static final class MBeanInstance
     {
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/mbean/ComplianceMonitor.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/mbean/ComplianceMonitor.java
index db0d92939d6..37cf1e7a3b7 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/mbean/ComplianceMonitor.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/mbean/ComplianceMonitor.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -214,10 +215,6 @@ protected void doRun() throws InterruptedException {
             }
         }
     }
-
-    private static void debug(final Object o) {
-        System.out.println(o.toString());
-    }
 }
 
 
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ImplUtil.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ImplUtil.java
index 23b5454a31a..e01fe1362c5 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ImplUtil.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ImplUtil.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -24,10 +25,6 @@
 
 public final class ImplUtil {
 
-    private static void debug(final String s) {
-        System.out.println(s);
-    }
-
     /**
     Unload this AMX MBean and all its children.
     MBean should be unloaded at the leafs first, working back to DomainRoot so as to
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/MBeanInfoSupport.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/MBeanInfoSupport.java
index df1f3f56302..8bfd988bbee 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/MBeanInfoSupport.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/MBeanInfoSupport.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -13,11 +14,6 @@
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  */
-
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
 package org.glassfish.admin.amx.impl.util;
 
 import java.lang.annotation.Annotation;
@@ -61,9 +57,6 @@ public final class MBeanInfoSupport {
     private MBeanInfoSupport() {
     }
 
-    private static void debug(final Object o) {
-        System.out.println(o.toString());
-    }
     private static MBeanInfo amxspiMBeanInfo = null;
 
     public static synchronized MBeanInfo getAMX_SPIMBeanInfo() {
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ObjectNameBuilder.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ObjectNameBuilder.java
index c4b5717b126..2df1211d946 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ObjectNameBuilder.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/ObjectNameBuilder.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -55,11 +56,6 @@ public ObjectNameBuilder(final MBeanServer mbeanServer, final ObjectName parent)
         mJMXDomain = parent.getDomain();
     }
 
-    private static void debug(final Object o) {
-        System.out.println("" + o);
-        //AMXDebug.getInstance().getOutput( "org.glassfish.admin.amx.support.ObjectNameBuilder" ).println( o );
-    }
-
     public String getJMXDomain() {
         return (mJMXDomain);
     }
diff --git a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/UnregistrationListener.java b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/UnregistrationListener.java
index d9b63666cfc..d6294a56799 100644
--- a/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/UnregistrationListener.java
+++ b/nucleus/common/amx-core/src/main/java/org/glassfish/admin/amx/impl/util/UnregistrationListener.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
@@ -50,10 +51,6 @@ public void handleNotification(final Notification notifIn, final Object handback
         }
     }
 
-    private static void cdebug(final String s) {
-        System.out.println(s);
-    }
-
     /**
     Wait (block) until the MBean is unregistered.
     @return true if unregistered, false if an error