try
if ( nexus.hasEntry( normName ) )
    protected void add( String upName, Name normName, Attributes entry ) throws NamingException    {        Invocation invocation = getInvocation();        if ( invocation.getState() == InvocationStateEnum.PREINVOCATION )        {            try            {                if ( nexus.hasEntry( normName ) )                {                    NamingException ne = new EveAttributeInUseException();                    invocation.setBeforeFailure( new EveAttributeInUseException() );                    throw ne;                }            }            catch ( NamingException e )            {                throw new EveInterceptorException( this, invocation, e );            }        }    }