[SPARK-23785] LauncherBackend doesn't check state of connection before setting state

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Component/s: Spark Core
• Assignee: Sahil Takiar
• Reporter: Sahil Takiar
• Created: 23/Mar/18 20:12
• Updated: 30/Mar/18 17:26
• Resolved: 29/Mar/18 17:23

Description

Found in HIVE-18533 while trying to integration with the InProcessLauncher. LauncherBackend doesn't check the state of its connection to the LauncherServer before trying to run setState - which sends a SetState message on the connection.

Issue Links

• relates to: HIVE-18533 Add option to use InProcessLauncher to submit spark jobs
• links to: [Github] Pull Request #20893 (sahilTakiar)