[HADOOP-8197] Configuration logs WARNs on every use of a deprecated key

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.23.3, 0.24.0
• Fix Version/s: 0.23.3, 2.0.2-alpha
• Component/s: conf
• Hadoop Flags: Reviewed
• Assignee: Alejandro Abdelnur
• Reporter: Alejandro Abdelnur
• Created: 22/Mar/12 05:48
• Updated: 07/Sep/12 21:01
• Resolved: 22/Mar/12 16:49

Description

The logic to do print a warning only once per deprecated key does not work:

2012-03-21 22:32:58,121  WARN Configuration:661 - user.name is deprecated. Instead, use mapreduce.job.user.name
....
2012-03-21 22:32:58,123  WARN Configuration:661 - fs.default.name is deprecated. Instead, use fs.defaultFS
...
2012-03-21 22:32:58,130  WARN Configuration:661 - mapred.job.tracker is deprecated. Instead, use mapreduce.jobtracker.address
2012-03-21 22:32:58,351  WARN Configuration:345 - fs.default.name is deprecated. Instead, use fs.defaultFS
...
2012-03-21 22:32:58,843  WARN Configuration:661 - user.name is deprecated. Instead, use mapreduce.job.user.name
2012-03-21 22:32:58,844  WARN Configuration:661 - mapred.job.tracker is deprecated. Instead, use mapreduce.jobtracker.address
2012-03-21 22:32:58,844  WARN Configuration:661 - fs.default.name is deprecated. Instead, use fs.defaultFS