Nodejs on Error Zaphttps://errorzap.com/tags/nodejs/Recent content in Nodejs on Error ZapHugoen-usWed, 15 Apr 2026 00:00:00 +0000The Bot That Hung Because of IPv6https://errorzap.com/posts/the-bot-that-hung-because-of-ipv6/Wed, 15 Apr 2026 00:00:00 +0000https://errorzap.com/posts/the-bot-that-hung-because-of-ipv6/A Telegram bot kept freezing on outbound calls with no error — turns out a NIC with IPv6 addresses but no working IPv6 routing was quietly killing every request.