[NIFI-6017] ArrayIndexOutOfBounds Load Balancer CorrelationAttributePartitioner

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.8.0
• Fix Version/s: 1.9.0
• Component/s: Core Framework
• Assignee: Mark Payne
• Reporter: Dorian Bugeja
• Created: 12/Feb/19 16:44
• Updated: 13/Feb/19 14:15
• Resolved: 13/Feb/19 14:15

Description

When trying to perform load balancing on queue using 'partition by attribute', the use of the hashCode() function can return a negative value which in turns, the '%' operation might return a negative value (which is used as index) which throws an ArrayIndexOutOfBounds exception.