I’m attempting to build from the latest commit on git and receive the following error upon attempting to access the application web ui:
HTTP ERROR: 500 Problem accessing /jobs/. Reason: Server Error Powered by Jetty:// My driver also prints this error: java.lang.UnsupportedOperationException: empty.max at scala.collection.TraversableOnce$class.max(TraversableOnce.scala:216) at scala.collection.AbstractTraversable.max(Traversable.scala:105) at org.apache.spark.ui.jobs.AllJobsPage.org$apache$spark$ui$jobs$AllJobsPage$$makeRow$1(AllJobsPage.scala:46) at org.apache.spark.ui.jobs.AllJobsPage$$anonfun$jobsTable$1.apply(AllJobsPage.scala:91) at org.apache.spark.ui.jobs.AllJobsPage$$anonfun$jobsTable$1.apply(AllJobsPage.scala:91) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244) at scala.collection.immutable.List.foreach(List.scala:318) at scala.collection.TraversableLike$class.map(TraversableLike.scala:244) at scala.collection.AbstractTraversable.map(Traversable.scala:105) at org.apache.spark.ui.jobs.AllJobsPage.jobsTable(AllJobsPage.scala:91) at org.apache.spark.ui.jobs.AllJobsPage.render(AllJobsPage.scala:106) at org.apache.spark.ui.WebUI$$anonfun$attachPage$1.apply(WebUI.scala:68) at org.apache.spark.ui.WebUI$$anonfun$attachPage$1.apply(WebUI.scala:68) at org.apache.spark.ui.JettyUtils$$anon$1.doGet(JettyUtils.scala:68) at javax.servlet.http.HttpServlet.service(HttpServlet.java:735) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:501) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:370) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494) at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) at java.lang.Thread.run(Thread.java:745) Has the ui been disabled intentionally for development purposes, have I not set something up correctly, or is this a bug?