ConnectionManager in violates Serializable contract

   /**
    * Write the object to the stream -- THIS IS NOT SUPPORTED
    * @param out The stream
    * @exception IOException Thrown in case of an error
    */
   private void writeObject(ObjectOutputStream out) throws IOException
   {
      throw new IOException(bundle.thisMethodNotSupported());
   }

   /**
    * Read the object from the stream -- THIS IS NOT SUPPORTED
    * @param in The stream
    * @exception IOException Thrown in case of an error
    * @exception ClassNotFoundException Thrown if a class can't be resolved
    */
   private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
   {
      throw new IOException(bundle.thisMethodNotSupported());
   }

   /**
    * Read the object -- THIS IS NOT SUPPORTED
    * @exception ObjectStreamException Thrown in case of an error
    */
   private void readObjectNoData() throws ObjectStreamException
   {
      throw new NotSerializableException(bundle.thisMethodNotSupported());
   }