Thanks Ceki. Ok I am using slf4j-api 1.7.5. Even after initialization I am not seeing the logging events being logged while using that logger. I will update to the slf4j 1.7.15 and post back with the results.
On Tue, Jan 16, 2018 at 2:51 AM, Ceki <c...@qos.ch> wrote: > > As of SLF4J 1.7.15, slf4j-api stores and replays events that were created > during the initialization phase. In previous versions, these events were > lost. However, logging events occurring after initialization should work > fine in all versions. > > I suggest upgrading slf4j-api to 1.7.25. > > On 15.01.2018 20:14, Debraj Manna wrote: > >> >> ---------- Forwarded message ---------- >> From: *Debraj Manna* <subharaj.ma...@gmail.com <mailto: >> subharaj.ma...@gmail.com>> >> Date: Tue, Jan 16, 2018 at 12:30 AM >> Subject: SLF4J Warning - Loggers will not work as they were created >> during initialization phase >> To: slf4j-user@qos.ch <mailto:slf4j-user@qos.ch> >> >> >> Cross-posting from stackoverflow <https://stackoverflow.com/que >> stions/48268724/slf4j-warning-loggers-will-not-work-as-they- >> were-created-during-initialization> >> >> I am using slf4j with logback in a dropwizard application. During the >> application initialization I am seeing logs like below >> >> |SLF4J:Thefollowing loggers will not work because they were created >> SLF4J:during the defaultconfiguration phase of the underlying logging >> system.SLF4J:Seealso http://www.slf4j.org/codes.html#substituteLogger < >> http://www.slf4j.org/codes.html#substituteLogger>SLF4J:com. >> vnera.healthandmetrics.VneraMetrics| >> >> I am using |logback.xml| with my dropwizard application. My code flow >> looks like below >> >> |publicclassVneraMetrics{privatestaticfinalLoggerlogger >> =LoggerFactory.getLogger(VneraMetrics.class);...// This method is >> getting called from Service.run() during the dropwizard application >> initializationpublicStringgetSomeValue(){// logger is not accessed from >> this functionreturn"Some initialized value";}}publicclassServiceext >> endsApplication<Conf>{publicstaticfinalLoggerlogger >> =LoggerFactory.getLogger(Service.class);publicstaticvoidmain >> (Stringargs[]){logger.info("Some logs");Serviceservice >> =newService();service.run(dropWizardArgs);Utils.reloadLogger();}}| >> >> |Utils.reloadLogger()| is loading the loggback configuration as discussed >> here >> >> |publicstaticvoidreloadLogger(){StringloggingConfig >> =System.getProperty("logback.configurationFile");if(loggingConfig >> ==null){System.out.println("Logging Config is >> null");}LoggerContextloggerContext =(LoggerContext)LoggerFactory. >> getILoggerFactory();loggerContext.reset();JoranConfiguratorconfigurator >> =newJoranConfigurator();try{InputStreamconfigStream >> =FileUtils.openInputStream(newFile(loggingConfig));configura >> tor.setContext(loggerContext);configurator.doConfigure(configStream);// >> loads logback fileconfigStream.close();System.out.println("Loaded >> configuration file");}catch(JoranException|I >> OExceptione){e.printStackTrace();System.out.println("Failed to log >> configuration file");System.exit(1);}}}| >> >> *Versions* >> >> * Logback - 1.2.3 >> * Dropwizard - 1.0.2 >> >> Can some one let me know what does the SLF4J warning denotes? I have seen >> the substituteLogger <http://www.slf4j.org/codes.html#substituteLogger> page >> but this does not mention how can I get around this? On trying to use >> logger in |VneraMetrics| it is not printing anything. >> >> >> >> >> _______________________________________________ >> slf4j-user mailing list >> slf4j-user@qos.ch >> http://mailman.qos.ch/mailman/listinfo/slf4j-user >> >> _______________________________________________ > slf4j-user mailing list > slf4j-user@qos.ch > http://mailman.qos.ch/mailman/listinfo/slf4j-user >
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