[WW-4436] NullPointerException in ParametersInterceptor.isAcceptableValue

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.20
• Fix Version/s: 2.3.24
• Component/s: Core Interceptors
• Labels: easyfix
• Flags: Patch
• Assignee: Lukasz Lenart
• Reporter: Mitth'raw'nuruodo
• Created: 18/Dec/14 23:38
• Updated: 30/Nov/15 14:47
• Resolved: 23/Dec/14 20:54

Description

ParametersInterceptor.isAcceptableValue (in XWork 2.3.20) fails to check whether array elements are null before calling toString on them, which can lead to NPE at line 365.

A safer option would be to use String.valueOf instead.