[CRUNCH-617] Better exception when Partition Leader not found

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.15.0
• Component/s: IO
• Assignee: Micah Whitacre
• Reporter: Micah Whitacre
• Created: 06/Sep/16 20:23
• Updated: 26/Feb/17 18:33
• Resolved: 08/Sep/16 16:51

Description

We can get a NPE on this line[1] when the BrokerEndpoint response is null.

Easiest solution is to defensively detect this and then throw an exception clearly stating the issue.

[1] - https://github.com/apache/crunch/blob/f1d074c2a7dcaf44b03dab5b84e9d323f586fdac/crunch-kafka/src/main/java/org/apache/crunch/kafka/KafkaUtils.java#L193