Bug: SparkUI should bind handler after application started
Status: Resolved | Priority: Major | Resolution: Fixed
Created: 21/Jul/21 06:21
Affects Version/s: 3.2.0

When we use prometheus to fetch metrics, always call before application started.

Then throw alot of exception not of NoSuchElementException
{code:java}

21/07/19 04:53:37 INFO Client: Preparing resources for our AM container
21/07/19 04:53:37 INFO Client: Uploading resource hdfs://tl3/packages/jars/spark-2.4-archive.tar.gz -> hdfs://R2/user/xiaoke.zhou/.sparkStaging/application_1624456325569_7143920/spark-2.4-archive.tar.gz
21/07/19 04:53:37 WARN JettyUtils: GET /jobs/ failed: java.util.NoSuchElementException: Failed to get the application information. If you are starting up Spark, please wait a while until it's ready.
java.util.NoSuchElementException: Failed to get the application information. If you are starting up Spark, please wait a while until it's ready.
	at org.apache.spark.status.AppStatusStore.applicationInfo(AppStatusStore.scala:43)
	at org.apache.spark.ui.jobs.AllJobsPage.render(AllJobsPage.scala:275)
	at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
	at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
	at org.apache.spark.ui.JettyUtils$$anon$3.doGet(JettyUtils.scala:90)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
	at org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
	at org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)
	at org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
	at org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.spark_project.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:493)
	at org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
	at org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
	at org.spark_project.jetty.server.Server.handle(Server.java:539)
	at org.spark_project.jetty.server.HttpChannel.handle(Htt
[2021-07-19 04:54:55,111] INFO - pChannel.java:333)
	at org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
	at org.spark_project.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
	at org.spark_project.jetty.io.FillInterest.fillable(FillInterest.java:108)
	at org.spark_project.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
	at org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
	at org.spark_project.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
	at java.lang.Thread.run(Thread.java:748)
21/07/19 04:53:37 WARN ServletHandler: /jobs/
java.util.NoSuchElementException: Failed to get the application information. If you are starting up Spark, please wait a while until it's ready.
	at org.apache.spark.status.AppStatusStore.applicationInfo(AppStatusStore.scala:43)
	at org.apache.spark.ui.jobs.AllJobsPage.render(AllJobsPage.scala:275)
	at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
	at org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:90)
	at org.apache.spark.ui.JettyUtils$$anon$3.doGet(JettyUtils.scala:90)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
	at org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
	at org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)
	at org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
	at org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.spark_project.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:493)
	at org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
	at org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
	at org.spark_project.jetty.server.Server.handle(Server.java:539)
	at org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:333)
	at org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
	at org.spark_project.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
	at org.spark_project.jetty.io.FillInterest.fillable(FillInterest.java:108)
	at org.spark_project.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
	at org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
	at org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
	at org.spark_project.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
	at java.lang.Thread.run(Thread.java:748)
{code}