Re: class specific logging level
Hi, I have tried it with the following configuration : appender name=Log1 class=org.apache.log4j.RollingFileAppender layout class=org.apache.log4j.PatternLayout /layout /appender logger name=MyClass additivity=true level value=DEBUG / /logger root priority value=INFO / appender-ref ref=Log1 / /root I want MyClass logs of DEBUG level and all other classes of ERROR in log1.log file as mentioned in logger Log1. But it isnt happening. Am not getting any DEBUG logs in log1.log whereas if I set the level in appender Log1 to DEBUG, I do get the DEBUG logs of Myclass in log1.log. I am sorry if am still making some mistake here. Please correct me where am I wrong. Thanks for such quick replies. Jacob Kjome wrote: What I've provided does exactly what you are asking for. Setting your class logging level to DEBUG overrides the inherited level from root for the specified logger name. Why don't you just try it and see what it does rather than speculate on why you believe it wouldn't work? You can also read try reading the docs... http://logging.apache.org/log4j/1.2/manual.html Jake On Thu, 7 Jun 2012 20:44:05 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: So when root level is ERROR and i set Myclass level to DEBUG, how will the Myclass's DEBUG logs get logged since the root level is ERROR and it will block the DEBUG logs ? What i know is that, if I set root level to DEBUG and some particular class (say Myclass) logger level to ERROR then, all classes' logs of DEBUG will get logged but not of Myclass as its restricted to ERROR. But what I want is the vice-versa. I want ERROR level of all classes and DEBUG of only few important classes. I am new to log4j so maybe what i am sayin is wrong. Jacob Kjome wrote: If you name your loggers by class name, then sure. This is standard logging configuration, not some extra special workaround. logger name=com.mypackage.Myclass level value=debug/ !-- inherits A1 appender from root, applies only to com.mypackage.MyClass -- /logger logger name=com.myotherpackage level value=debug/ !-- inherits A1 appender from root, applies to all classes in com.myotherpackage -- /logger root level value=error/ appender-ref ref=A1/ /root Jake On Thu, 7 Jun 2012 01:51:07 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: Hi, Is it possible to set logging level for few selected classes in appender to DEBUG and rest all ERROR ? Is there any combination of filter that can do this ? -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33974515.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33979415.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33982398.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
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Re: class specific logging level
How do you define your logger in your Java code? I'm suspicious that the logger name you've defined as MyClass is merely the simple name of the class, not the fully qualified name of the class that you've likely defined it for your logger name. That is, if MyClass is in the package com.mypackage, and you've defined the logger using something like... Logger logger = Logger.getLogger(MyClass.class); OR Logger logger = Logger.getLogger(MyClass.class.getName()); ...then your configuration should be logger name=com.mypackage.MyClass level value=DEBUG / /logger Note that additivity is true by default and need only be specified if you want to set it to false (which would mean you wouldn't inherit appenders/levels from ancestor loggers). Also note that priority is the deprecated name for level. It will work the same, but you should just use level to avoid confusion. Finally, you mention you want all other classes to log at the ERROR level, yet you defined the level in root as INFO. Typo? Jake On Fri, 8 Jun 2012 08:45:21 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: Hi, I have tried it with the following configuration : appender name=Log1 class=org.apache.log4j.RollingFileAppender layout class=org.apache.log4j.PatternLayout /layout /appender logger name=MyClass additivity=true level value=DEBUG / /logger root priority value=INFO / appender-ref ref=Log1 / /root I want MyClass logs of DEBUG level and all other classes of ERROR in log1.log file as mentioned in logger Log1. But it isnt happening. Am not getting any DEBUG logs in log1.log whereas if I set the level in appender Log1 to DEBUG, I do get the DEBUG logs of Myclass in log1.log. I am sorry if am still making some mistake here. Please correct me where am I wrong. Thanks for such quick replies. Jacob Kjome wrote: What I've provided does exactly what you are asking for. Setting your class logging level to DEBUG overrides the inherited level from root for the specified logger name. Why don't you just try it and see what it does rather than speculate on why you believe it wouldn't work? You can also read try reading the docs... http://logging.apache.org/log4j/1.2/manual.html Jake On Thu, 7 Jun 2012 20:44:05 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: So when root level is ERROR and i set Myclass level to DEBUG, how will the Myclass's DEBUG logs get logged since the root level is ERROR and it will block the DEBUG logs ? What i know is that, if I set root level to DEBUG and some particular class (say Myclass) logger level to ERROR then, all classes' logs of DEBUG will get logged but not of Myclass as its restricted to ERROR. But what I want is the vice-versa. I want ERROR level of all classes and DEBUG of only few important classes. I am new to log4j so maybe what i am sayin is wrong. Jacob Kjome wrote: If you name your loggers by class name, then sure. This is standard logging configuration, not some extra special workaround. logger name=com.mypackage.Myclass level value=debug/ !-- inherits A1 appender from root, applies only to com.mypackage.MyClass -- /logger logger name=com.myotherpackage level value=debug/ !-- inherits A1 appender from root, applies to all classes in com.myotherpackage -- /logger root level value=error/ appender-ref ref=A1/ /root Jake On Thu, 7 Jun 2012 01:51:07 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: Hi, Is it possible to set logging level for few selected classes in appender to DEBUG and rest all ERROR ? Is there any combination of filter that can do this ? -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33974515.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33979415.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org -- View this message in context:
Re: class specific logging level
I want MyClass logs of DEBUG level and all other classes of ERROR in log1.log file as mentioned in logger Log1. ... whereas if I set the level in appender Log1 to DEBUG, I do get the DEBUG logs of Myclass in log1.log. If you set the level of the Log1 appender to DEBUG, you say that you get the DEBUG logs of Myclass in log1.log. Isn't that what you want?
Re: class specific logging level
First, you are not setting the level of the appender, but that of the logger which can reference any given appender, including your named Log1 appender. So, if you want ERROR level for all classes, then set the root logger level to ERROR. After that, you make a decision of which appenders you want logging to go to (disregarding level, as that is the job of the logger - except in regard to more advanced configuration where you can set appender level thresholds or use filters, but that's beyond our discussion here). If you want output of all classes (again, disregarding level) to go to the Log1, then you provide a reference to Log1 in the primordial root logger. After that, if you want to lower the level for specific loggers, you can specify those as you've done with com.pkg.MyClass. Now all classes, including com.pkg.MyClass will log at the ERROR level, but com.pkg.MyClass will also provide DEBUG, INFO, and WARN (and SEVERE) logging as well. This is all very standard stuff. If you don't experience the above behavior, then I would suspect that the Log4j configuration you think you are using isn't being used at all. You might want to use... -Dlog4j.debug=true This will tell Log4j to report how it is being configured. You may find that some other configuration is being used instead of yours. Either that, or you are not describing what you want clearly enough. Jake On Fri, 8 Jun 2012 09:15:14 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: If I set the level of Log1 appender to DEBUG, then DEBUG logs of all the classes including MyClass are getting logged. If I set it to ERROR, then ERROR logs of all the classes including MyClass are getting logged. But what I want is - DEBUG logs of only MyClass and ERROR of rest all. Here, my motive is to set DEBUG level logging for most important classes helping in debugging procedure. logger name=com.pkg.MyClass level value=DEBUG / /logger private final static Logger logger = Logger.getLogger(MyClass.class); This is how a logger is defined in my code. It was my mistake to replace com.pkg.MyClass with MyClass. Thanks for additivity and priority related suggestions. Actually, root isn't my concern here. No matter what the level of root and appender is, I want DEBUG logs of only MyClass. Douglas E Wegscheid wrote: I want MyClass logs of DEBUG level and all other classes of ERROR in log1.log file as mentioned in logger Log1. ... whereas if I set the level in appender Log1 to DEBUG, I do get the DEBUG logs of Myclass in log1.log. If you set the level of the Log1 appender to DEBUG, you say that you get the DEBUG logs of Myclass in log1.log. Isn't that what you want? -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33982558.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
Re: class specific logging level
I will try setting root level to ERROR. All the other config is as u suggested. Will try to debug why MyClass DEBUG logs arent getting logged when its logger level is DEBUG. Thanks for detailed description. Jacob Kjome wrote: First, you are not setting the level of the appender, but that of the logger which can reference any given appender, including your named Log1 appender. So, if you want ERROR level for all classes, then set the root logger level to ERROR. After that, you make a decision of which appenders you want logging to go to (disregarding level, as that is the job of the logger - except in regard to more advanced configuration where you can set appender level thresholds or use filters, but that's beyond our discussion here). If you want output of all classes (again, disregarding level) to go to the Log1, then you provide a reference to Log1 in the primordial root logger. After that, if you want to lower the level for specific loggers, you can specify those as you've done with com.pkg.MyClass. Now all classes, including com.pkg.MyClass will log at the ERROR level, but com.pkg.MyClass will also provide DEBUG, INFO, and WARN (and SEVERE) logging as well. This is all very standard stuff. If you don't experience the above behavior, then I would suspect that the Log4j configuration you think you are using isn't being used at all. You might want to use... -Dlog4j.debug=true This will tell Log4j to report how it is being configured. You may find that some other configuration is being used instead of yours. Either that, or you are not describing what you want clearly enough. Jake On Fri, 8 Jun 2012 09:15:14 -0700 (PDT) aggarwal akansha.ag...@gmail.com wrote: If I set the level of Log1 appender to DEBUG, then DEBUG logs of all the classes including MyClass are getting logged. If I set it to ERROR, then ERROR logs of all the classes including MyClass are getting logged. But what I want is - DEBUG logs of only MyClass and ERROR of rest all. Here, my motive is to set DEBUG level logging for most important classes helping in debugging procedure. logger name=com.pkg.MyClass level value=DEBUG / /logger private final static Logger logger = Logger.getLogger(MyClass.class); This is how a logger is defined in my code. It was my mistake to replace com.pkg.MyClass with MyClass. Thanks for additivity and priority related suggestions. Actually, root isn't my concern here. No matter what the level of root and appender is, I want DEBUG logs of only MyClass. Douglas E Wegscheid wrote: I want MyClass logs of DEBUG level and all other classes of ERROR in log1.log file as mentioned in logger Log1. ... whereas if I set the level in appender Log1 to DEBUG, I do get the DEBUG logs of Myclass in log1.log. If you set the level of the Log1 appender to DEBUG, you say that you get the DEBUG logs of Myclass in log1.log. Isn't that what you want? -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33982558.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org -- View this message in context: http://old.nabble.com/class-specific-logging-level-tp33974515p33982872.html Sent from the Log4j - Users mailing list archive at Nabble.com. - To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
