Hi all, In C5 we use java.util.logging as the logging framework in launcher module. Java util logging uses a configuration file in JRE/lib/logging.properties file as the default configuration. In order to use a custom configuration file we need to set a system property (java.util.logging.config.file) as mentioned in the description in [1]. After setting this property we can change the log level of root logger by setting ".level = <LEVEL>"
Or we can specify handlers and change the log level of each handler as below, handlers= org.wso2.carbon.launcher.bootstrap.logging.ConsoleLogHandler, org.wso2.carbon.launcher.bootstrap.logging.FileLogHandler org.wso2.carbon.launcher.bootstrap.logging.ConsoleLogHandler.level = FINE org.wso2.carbon.launcher.bootstrap.logging.FileLogHandler.level = INFO (Log level of the root logger need to be lower than that of handlers to control the log level of handlers. eg: If we need to log the FINE logs to console, log level of root logger has to be FINE or lower level than FINE) Hence if need to control the log level of java util logging, we need to have a separate configuration file. (We had maintained a similar configuration in carbon 4 in repository/conf/etc/logging-bridge.properties). There are few other issues that we need to fix at code level even after adding the above configuration file: 1. We need to add the BootstrapLogger to LogManager. PR[2]. (LogManager read the logging configuration from file described above.) 2. We need to change the access modifiers of handler constructors to public, else trying to configure handlers log level via configuration will cause error[3] I could configure the java.util.logging log levels after doing the changes mentioned above. Shall we add this logging.properties configuration to C5? [1] https://wso2.org/jira/browse/CARBON-1574 <https://wso2.org/jira/browse/CARBON-15745> [2] https://github.com/wso2/carbon-kernel/pull/902 [3] Can't load log handler "org.wso2.carbon.launcher.bootstrap.logging.FileLogHandler" java.lang.IllegalAccessException: Class java.util.logging.LogManager$5 can not access a member of class org.wso2.carbon.launcher.bootstrap.logging.FileLogHandler with modifiers "private"5 <https://wso2.org/jira/browse/CARBON-15745> Thanks, Nipuni -- Nipuni Perera Software Engineer; WSO2 Inc.; http://wso2.com Email: nip...@wso2.com Git hub profile: https://github.com/nipuni Blog : http://nipunipererablog.blogspot.com/ Mobile: +94 (71) 5626680 <http://wso2.com>
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