Add late initialization to the chukwa log4j appender
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Key: HADOOP-5058
URL: https://issues.apache.org/jira/browse/HADOOP-5058
Project: Hadoop Core
Issue Type: Improvement
Reporter: Jerome Boulon
With the current Chukwa log4j implementation, if you define a static log4j
configuration the appender is initialized at creation time.
This may cause some problems for example with Hadoop Audit log or Metrics
context, if the log4j properties are statically defined then a userX running an
hadoop command will trigger a permission denied exception since the appender
will try to initialize itself and therefore try to create a file under userX
ownership for each appender even if not data is going to be written to it.
The goal is to delay this initialization until the first message is actually
written to that log so this kind of issue could easily be avoided.
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