if ( service != null && !service.startsWith("??") ) {
            this.service = service;
        }
        this.service0 = this.service;

        this.traceResource = this.session.getConfig().isTraceResourceUsage();
        if ( this.traceResource ) {
            this.acquires = new LinkedList<>();
            this.releases = new LinkedList<>();
        }
        else {
            this.acquires = null;