[HADOOP-17045] `Configuration` javadoc describes supporting environment variables, but the feature is not available

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.10.0
• Fix Version/s: 2.9.3, 2.10.1
• Target Version/s: 2.10.1
• Hadoop Flags: Reviewed
• Assignee: Masatake Iwasaki
• Reporter: Nick Dimiduk
• Created: 15/May/20 19:51
• Updated: 18/May/20 02:37
• Resolved: 18/May/20 02:14

Description

In Hadoop 2.10.0, the javadoc on the `Configuration` class describes the ability to read values from environment variables. However, this feature isn't implemented until HADOOP-9642, which shipped in 3.0.0.

Issue Links

• links to: GitHub Pull Request #2024
• links to: https://github.com/apache/hadoop/blob/rel/release-2.10.0/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java#L176-L177