Github user scwf commented on a diff in the pull request: https://github.com/apache/spark/pull/1980#discussion_r18432556 --- Diff: core/src/main/scala/org/apache/spark/ui/JettyUtils.scala --- @@ -180,12 +186,32 @@ private[spark] object JettyUtils extends Logging { serverName: String = ""): ServerInfo = { val collection = new ContextHandlerCollection - collection.setHandlers(handlers.toArray) addFilters(handlers, conf) // Bind to the given port, or throw a java.net.BindException if the port is occupied def connect(currentPort: Int): (Server, Int) = { - val server = new Server(new InetSocketAddress(hostName, currentPort)) + val server = new Server + // Create a connector on port currentPort to listen for HTTP requests + val httpConnector = new SelectChannelConnector() + httpConnector.setPort(currentPort) + httpConnector.setHost(hostName) + + if (conf.get("spark.ui.https.enabled", "false").toBoolean) { + // / If the new port wraps around, do not try a privilege port + val securePort = (currentPort + 1 - 1024) % (65536 - 1024) + 1024 --- End diff -- Hey, note ```connect``` will be passed to ```Utils.startServiceOnPort```, so in ```Utils.startServiceOnPort``` it will try to start http service on currentPort and https service on securePort. If securePort is not free, it will try again until the maximum number of retries
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org