diff -Nru mx4j-3.0.2.vanilla/src/tools/mx4j/tools/remote/caucho/serialization/JMXDeserializer.java mx4j-3.0.2/src/tools/mx4j/tools/remote/caucho/serialization/JMXDeserializer.java
--- mx4j-3.0.2.vanilla/src/tools/mx4j/tools/remote/caucho/serialization/JMXDeserializer.java	2008-06-17 15:32:02.000000000 +0200
+++ mx4j-3.0.2/src/tools/mx4j/tools/remote/caucho/serialization/JMXDeserializer.java	2008-06-17 15:51:14.000000000 +0200
@@ -12,13 +12,13 @@
 import java.io.IOException;
 import java.io.ObjectInputStream;
 
+import com.caucho.hessian.io.AbstractDeserializer;
 import com.caucho.hessian.io.AbstractHessianInput;
-import com.caucho.hessian.io.Deserializer;
 
 /**
  * @version $
  */
-class JMXDeserializer extends Deserializer
+class JMXDeserializer extends AbstractDeserializer
 {
    private Class type;
 
diff -Nru mx4j-3.0.2.vanilla/src/tools/mx4j/tools/remote/caucho/serialization/JMXSerializer.java mx4j-3.0.2/src/tools/mx4j/tools/remote/caucho/serialization/JMXSerializer.java
--- mx4j-3.0.2.vanilla/src/tools/mx4j/tools/remote/caucho/serialization/JMXSerializer.java	2008-06-17 15:32:02.000000000 +0200
+++ mx4j-3.0.2/src/tools/mx4j/tools/remote/caucho/serialization/JMXSerializer.java	2008-06-17 15:51:14.000000000 +0200
@@ -13,12 +13,12 @@
 import java.io.ObjectOutputStream;
 
 import com.caucho.hessian.io.AbstractHessianOutput;
-import com.caucho.hessian.io.Serializer;
+import com.caucho.hessian.io.AbstractSerializer;
 
 /**
  * @version $Revision: 1.1 $
  */
-class JMXSerializer extends Serializer
+class JMXSerializer extends AbstractSerializer
 {
    public void writeObject(Object obj, AbstractHessianOutput out) throws IOException
    {