[YARN-7747] YARN UI is broken in the minicluster

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Labels: pull-request-available
• Assignee: Unassigned
• Reporter: Gera Shegalov
• Created: 14/Jan/18 02:51
• Updated: 06/Jun/23 21:35

Description

YARN web apps use non-injected instances of GuiceFilter, i.e. instances created by Jetty as opposed by Guice itself. This triggers the call path where the static field pipeline is used instead of the instance field injectedPipeline. However, besides GuiceFilter instances created by Jetty, each Guice module generates them as well. On the injection call path this static variable is updated by each instance. Thus if there are multiple modules as it happens to be the case in the minicluster the one loaded last ends up defining the filter pipeline for all Jetty instances. In the minicluster case this is the nodemanager UI

Issue Links

• relates to: HADOOP-15166 CLI MiniCluster fails with ClassNotFoundException o.a.h.yarn.server.timelineservice.collector.TimelineCollectorManager
• links to: GitHub Pull Request #326
• links to: GitHub Pull Request #326
• links to: GitHub Pull Request #5720