[YARN-10206] Service stuck in the STARTED state when it has a component having no instance

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Assignee: kyungwan nam
• Reporter: kyungwan nam
• Created: 24/Mar/20 09:54
• Updated: 24/Mar/20 10:01

Description

• 'compb' has no instance. it means 'number_of_containers' is 0
• 'compb' has a dependency on 'compa'.

"components": [
   {
      "name”:”compa”,
      "number_of_containers": 1,
      "dependencies" : [
      ]
    },
    {
      "name":"compb”,
      "number_of_containers": 0,
      "dependencies" : [
        "compa"
      ],

when launching the service, it stuck in the STARTED state