René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"UnhandledPromiseRejectionWarning","articleBody":"\u003c!--\r\nThank you for reporting an issue.\r\n\r\nThis issue tracker is for bugs and issues found within Node.js core.\r\nIf you require more general support please file an issue on our help\r\nrepo. https://github.com/nodejs/help\r\n\r\n\r\nPlease fill in as much of the template below as you're able.\r\n\r\nVersion: output of `node -v`\r\nPlatform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows)\r\nSubsystem: if known, please specify affected core module name\r\n\r\nIf possible, please provide code that demonstrates the problem, keeping it as\r\nsimple and free of external dependencies as you are able.\r\n--\u003e\r\n\r\n* **Version**: 8.4.0\r\n* **Platform**: Mac OS\r\n* **Subsystem**: \r\n\r\n\u003c!-- Enter your issue details below this comment. --\u003e\r\n\r\nAs a beginner, to write server, I always see this but cannot find where is the uncaught error.\r\n\r\nWill you add the line number [or error stack]to this error?\r\n\r\nThanks.","author":{"url":"https://github.com/maicss","@type":"Person","name":"maicss"},"datePublished":"2017-09-11T07:14:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/15331/node/issues/15331"}