[SPARK-3558] Throw exception for concurrently-running SparkContexts / StreamingContexts in the same JVM

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: Spark Core
• Assignee: Unassigned
• Reporter: Josh Rosen
• Created: 16/Sep/14 22:48
• Updated: 02/Mar/15 04:16
• Resolved: 01/Mar/15 11:02

Description

Since we don't support concurrently-running SparkContexts / StreamingContexts in the same JVM, we should throw an error / exception when users try to create a context when another one is already running.

Issue Links

• duplicates: SPARK-4180 SparkContext constructor should throw exception if another SparkContext is already running