Hi, There are two ways to deal with this.
1) Put your log initialisation at the top of your main() method, so nothing else can run first. 2) Specify the app name as a system property on the command line: java -Dapp.name=MyApp -jar myappjar Thanks David > On 10 Jun 2016, at 10:20, Brice Dutheil <[email protected]> wrote: > > Hi, > > I would like share a single log configuration for two web-apps that run on > the same container. Yet I want each web-app to log in separate files. > > I tried different approach the best one is actually very close to some > solution I later found on the FAQ : > http://logback.qos.ch/faq.html#sharedConfiguration > <http://logback.qos.ch/faq.html#sharedConfiguration> > LoggerContext loggerContext = (LoggerContext) > LoggerFactory.getILoggerFactory(); > JoranConfigurator jc = new JoranConfigurator(); > jc.setContext(loggerContext); > loggerContext.reset(); > loggerContext.setName(appName); // use ${CONTEXT_NAME} in logback.xml > jc.doConfigure(Objects.requireNonNull(source, "Logback configuration is > missing")); > However for operation reasons we pass the configuration via the system > property logback.configurationFile, so what happens is that the first call to > LoggerFactory.getILoggerFactory() initialise the LoggerContext and creates > files with non initialised variables. > > As I’m using the context name, the file names have default in their name > (this is the default value of the context name), if using variable I get a > filename with my-var-name_IS_UNDEFINED. > > The question is : Is there proper way anyway to avoid this pre-initialisation > to avoid creating this empty file ? > > I didn’t found any way to hook in the org.slf4j.LoggerFactory or > org.slf4j.impl.StaticLoggerBinder (of logback-classic). > > — Brice > > _______________________________________________ > logback-user mailing list > [email protected] > http://mailman.qos.ch/mailman/listinfo/logback-user
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