[SPARK-32160] Executors should not be able to create SparkContext.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.6, 3.0.0
• Fix Version/s: 3.0.1, 3.1.0
• Component/s: Spark Core
• Assignee: Takuya Ueshin
• Reporter: Takuya Ueshin
• Created: 02/Jul/20 23:24
• Updated: 12/Dec/22 18:10
• Resolved: 09/Jul/20 06:53

Description

Currently executors can create SparkContext, but shouldn't be able to create it.

sc.range(0, 1).foreach { _ =>
  new SparkContext(new SparkConf().setAppName("test").setMaster("local"))
}

Issue Links

• links to: [Github] Pull Request #28986 (ueshin)
• links to: [Github] Pull Request #28986 (ueshin)
• links to: [Github] Pull Request #29278 (ueshin)
• links to: [Github] Pull Request #29278 (ueshin)
• links to: [Github] Pull Request #29294 (ueshin)
• links to: [Github] Pull Request #29294 (ueshin)
• links to: [Github] Pull Request #29340 (ueshin)
• links to: [Github] Pull Request #29341 (ueshin)