diff --git a/src/share/classes/javax/management/remote/rmi/RMIConnectionImpl.java b/src/share/classes/javax/management/remote/rmi/RMIConnectionImpl.java
index 33b765d9c47ea98e5f47f1aa11facd3871d6e348..d886cb6cf438f236b48d45f822b2b0480cdb77d6 100644
--- a/src/share/classes/javax/management/remote/rmi/RMIConnectionImpl.java
+++ b/src/share/classes/javax/management/remote/rmi/RMIConnectionImpl.java
@@ -361,7 +361,6 @@ public class RMIConnectionImpl implements RMIConnection, Unreferenced {
                              "connectionId=" + connectionId
                              +", className=" + className
                              +", name=" + name
-                             +", params=" + objects(values)
                              +", signature=" + strings(signature));
 
             return (ObjectInstance)
@@ -427,7 +426,6 @@ public class RMIConnectionImpl implements RMIConnection, Unreferenced {
                  +", className=" + className
                  +", name=" + name
                  +", loaderName=" + loaderName
-                 +", params=" + objects(values)
                  +", signature=" + strings(signature));
 
             return (ObjectInstance)
@@ -719,7 +717,7 @@ public class RMIConnectionImpl implements RMIConnection, Unreferenced {
             if (debug) logger.debug("setAttribute",
                              "connectionId=" + connectionId
                              +", name="+name
-                             +", attribute="+attr);
+                             +", attribute name="+attr.getName());
 
             doPrivilegedOperation(
               SET_ATTRIBUTE,
@@ -770,7 +768,7 @@ public class RMIConnectionImpl implements RMIConnection, Unreferenced {
             if (debug) logger.debug("setAttributes",
                              "connectionId=" + connectionId
                              +", name="+name
-                             +", attributes="+attrlist);
+                             +", attribute names="+RMIConnector.getAttributesNames(attrlist));
 
             return (AttributeList)
                 doPrivilegedOperation(
@@ -825,7 +823,6 @@ public class RMIConnectionImpl implements RMIConnection, Unreferenced {
                              "connectionId=" + connectionId
                              +", name="+name
                              +", operationName="+operationName
-                             +", params="+objects(values)
                              +", signature="+strings(signature));
 
             return
diff --git a/src/share/classes/javax/management/remote/rmi/RMIConnector.java b/src/share/classes/javax/management/remote/rmi/RMIConnector.java
index d4928bd01a2e207a720cf77f6214886bcf11a7c7..71f1bc0f77f5944bcd33a2915129bcca722bfda2 100644
--- a/src/share/classes/javax/management/remote/rmi/RMIConnector.java
+++ b/src/share/classes/javax/management/remote/rmi/RMIConnector.java
@@ -41,7 +41,6 @@ import java.io.NotSerializableException;
 import java.io.ObjectInputStream;
 import java.io.ObjectStreamClass;
 import java.io.Serializable;
-import java.io.WriteAbortedException;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationHandler;
@@ -70,6 +69,7 @@ import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
 import java.util.WeakHashMap;
+import java.util.stream.Collectors;
 import javax.management.Attribute;
 import javax.management.AttributeList;
 import javax.management.AttributeNotFoundException;
@@ -712,9 +712,7 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
             if (logger.debugOn())
                 logger.debug("createMBean(String,ObjectName,Object[],String[])",
                         "className=" + className + ", name="
-                        + name + ", params="
-                        + objects(params) + ", signature="
-                        + strings(signature));
+                        + name + ", signature=" + strings(signature));
 
             final MarshalledObject<Object[]> sParams =
                     new MarshalledObject<Object[]>(params);
@@ -753,8 +751,7 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
             if (logger.debugOn()) logger.debug(
                     "createMBean(String,ObjectName,ObjectName,Object[],String[])",
                     "className=" + className + ", name=" + name + ", loaderName="
-                    + loaderName + ", params=" + objects(params)
-                    + ", signature=" + strings(signature));
+                    + loaderName + ", signature=" + strings(signature));
 
             final MarshalledObject<Object[]> sParams =
                     new MarshalledObject<Object[]>(params);
@@ -954,8 +951,8 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
                 IOException {
 
             if (logger.debugOn()) logger.debug("setAttribute",
-                    "name=" + name + ", attribute="
-                    + attribute);
+                    "name=" + name + ", attribute name="
+                    + attribute.getName());
 
             final MarshalledObject<Attribute> sAttribute =
                     new MarshalledObject<Attribute>(attribute);
@@ -977,9 +974,11 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
                 ReflectionException,
                 IOException {
 
-            if (logger.debugOn()) logger.debug("setAttributes",
-                    "name=" + name + ", attributes="
-                    + attributes);
+            if (logger.debugOn()) {
+                logger.debug("setAttributes",
+                    "name=" + name + ", attribute names="
+                    + getAttributesNames(attributes));
+            }
 
             final MarshalledObject<AttributeList> sAttributes =
                     new MarshalledObject<AttributeList>(attributes);
@@ -1012,7 +1011,6 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
             if (logger.debugOn()) logger.debug("invoke",
                     "name=" + name
                     + ", operationName=" + operationName
-                    + ", params=" + objects(params)
                     + ", signature=" + strings(signature));
 
             final MarshalledObject<Object[]> sParams =
@@ -2636,4 +2634,12 @@ public class RMIConnector implements JMXConnector, Serializable, JMXAddressable
     private static String strings(final String[] strs) {
         return objects(strs);
     }
+
+    static String getAttributesNames(AttributeList attributes) {
+        return attributes != null ?
+                attributes.asList().stream()
+                        .map(Attribute::getName)
+                        .collect(Collectors.joining("[", ", ", "]"))
+                : "[]";
+    }
 }