[YARN-6275] Fail to show real-time tracking charts in SLS

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 3.0.0-alpha4
• Component/s: scheduler-load-simulator
• Hadoop Flags: Reviewed
• Assignee: Yufei Gu
• Reporter: Yufei Gu
• Created: 03/Mar/17 07:48
• Updated: 24/Apr/18 20:46
• Resolved: 07/Mar/17 21:48

Description

1. Not put html directory under the current working directory.
2. There is a bug in Class SLSWebApp, here is the stack trace:

   java.lang.NullPointerException
   	at org.eclipse.jetty.server.handler.ResourceHandler.handle(ResourceHandler.java:499)
   	at org.apache.hadoop.yarn.sls.web.SLSWebApp$1.handle(SLSWebApp.java:152)
   	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
   	at org.eclipse.jetty.server.Server.handle(Server.java:524)
   	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:319)
   	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:253)
   	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
   	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
   	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
   	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
   	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
   	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
   	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
   	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
   	at java.lang.Thread.run(Thread.java:745)
   

Issue Links

• is broken by: HADOOP-10075 Update jetty dependency to version 9
• is duplicated by: YARN-4590 SLS(Scheduler Load Simulator) web pages can't load css and js resource