[STORM-2779] NPE on shutting down WindowedBoltExecutor

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0, 1.2.0, 1.1.2
• Fix Version/s: 2.0.0, 1.2.0, 1.1.2
• Component/s: storm-client
• Labels: pull-request-available
• Epic Link: Release Apache Storm 1.1.2
• Assignee: Jungtaek Lim
• Reporter: Jungtaek Lim
• Created: 17/Oct/17 03:28
• Updated: 18/Oct/17 05:02
• Resolved: 18/Oct/17 05:02

Description

STORM-2724 introduced a bug on WindowedBoltExecutor which throws NPE when shutting down WindowedBoltExecutor which has waterMarkEventGenerator field as null.

https://github.com/apache/storm/blob/master/storm-client/src/jvm/org/apache/storm/topology/WindowedBoltExecutor.java#L330

Issue Links

• links to: GitHub Pull Request #2374
• links to: GitHub Pull Request #2375
• links to: GitHub Pull Request #2376