SWARM session is forcibly required - SWARM session does not exist, falling back to default

[platonai]

        val session = ScentContexts.createSession()

        val portalUrl = HNormUrl.parse("https://www.amazon.com/Best-Sellers/zgbs", conf.toVolatileConfig())
        val options = portalUrl.hOptions.apply {
            outLinkSelector = "a[href~=/dp/]"
            topLinks = 40
            refresh = true
        }
        val page = session.load(portalUrl.urlString, options)
        println(page.baseURI)
        // val pages = session.loadOutPages(portalUrl, options)
        val urls = session.parse(page)
            .selectAnchors(options.outLinkSelector)
            .mapNotNull { AsinUrlNormalizer()(it.url) }
            .distinct()
            .take(options.topLinks)
        session.submitAll(urls)

        session.context.await()

15:44:19.639 [DefaultDispatcher-worker-8] INFO ai.platon.pulsar.loop.impl.StreamingTaskLoop -- Main loop is created | #1 | SpringStreamingTaskLoop@1353388305
15:44:19.640 [DefaultDispatcher-worker-8] WARN ai.platon.pulsar.loop.impl.StreamingTaskLoop -- SWARM session does not exist, falling back to default