Broker defaults to DEBUG for logging if log4j.xml is not available
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Key: QPID-1975
URL: https://issues.apache.org/jira/browse/QPID-1975
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: M4, M3, M2.1, M2, M1, 0.5
Reporter: Martin Ritchie
Fix For: 0.6
Summary:
Currently if the log4j configuration file is not present when the broker starts
up then it will use a BasicConfigurator that defaults logging to DEBUG level.
Detail
A global DEBUG level will result generate so much logging that the broker will
be overwhelmed if any volume of messages are sent.
The use of the BasicConfigurator can be seen in Main (L:490-495) If the
requested log configuration file does not exist or cannot be read then a
BasicConfigurator will be setup. This results in DEBUG level logging being
enabled.
Change:
Setting the root logger level to WARN will set all logging to a more sensible
WARN level
Logger.getRootLogger().setLevel(Level.WARN);
Testing:
This can be tested via an InVM test. Start the broker with a non existent log4j
configuration file then:
Logger.getRootLogger().getLevel();
will currently return DEBUG. After the fix it will return WARN.
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