[SPARK-19508] Improve error message when binding service fails

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.2.0
• Component/s: Spark Core
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 08/Feb/17 06:56
• Updated: 21/Feb/17 05:25
• Resolved: 21/Feb/17 05:25

Description

Utils provides a helper function to bind service on port. This function can bind the service to a random free port. However, if the binding fails on a random free port, the retrying and final exception messages look confusing.

17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
17/02/06 16:25:43 ERROR SparkContext: Error initializing SparkContext.
java.net.BindException: Can't assign requested address: Service 'sparkDriver' failed after 16 retries (starting from 0)! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries.

Issue Links

• links to: [Github] Pull Request #16851 (viirya)