[HADOOP-12117] Potential NPE from Configuration#loadProperty with allowNullValueProperties set.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: conf
• Hadoop Flags: Reviewed
• Assignee: Zhihai Xu
• Reporter: Zhihai Xu
• Created: 24/Jun/15 20:06
• Updated: 30/Aug/16 01:26
• Resolved: 07/Jul/15 10:51

Description

Potential NPE from Configuration#loadProperty with allowNullValueProperties set.
The following code will cause NPE:

} else if (!value.equals(properties.getProperty(attr))) {

Because if allowNullValueProperties is true, value is null and finalParameters contains attr, NullPointerException will happen