Configuration logs WARNs on every use of a deprecated key
---------------------------------------------------------
Key: HADOOP-8197
URL: https://issues.apache.org/jira/browse/HADOOP-8197
Project: Hadoop Common
Issue Type: Bug
Components: conf
Affects Versions: 0.24.0, 0.23.3
Reporter: Alejandro Abdelnur
Priority: Critical
Fix For: 0.23.3
The logic to do print a warning only once per deprecated key does not work:
{code}
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
{code}
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