Is there any reference for creating routing appender programmatically ? On Thu, Oct 19, 2023, 9:35 AM Ralph Goers <ralph.go...@dslextreme.com> wrote:
> Why are you doing it this way? Can you not just use the RoutingAppender? > https://logging.apache.org/log4j/2.x/manual/appenders.html#RoutingAppender > > Ralph > > > On Oct 18, 2023, at 8:50 PM, Ganesh S <ganesh123.g...@gmail.com> wrote: > > > > Hello, > > I'm trying to create different logger with different hostname and port > for > > different client requests to the server. > > If a new client request comes, I will store the information in the thread > > local object and based on the information I need to append a new logger > > object to the existing configuration object using CompositeConfiguration > > and update loggers in the logger context. > > I'm using the name of the logger object not to have a package level > > hierarchy but just as a named (client name) logger. > > > > Currently I'm getting the below error when I try to append new syslog > using > > CompositeConfiguration > > at the line > > logContext.reconfigure(compositeConfiguration); > > > > ERROR StatusConsoleListener Appender references must contain a reference > > ERROR StatusConsoleListener Null object returned for AppenderRef in > Logger. > > ERROR StatusConsoleListener No appender name provided > > ERROR StatusConsoleListener Could not create plugin of type class > > org.apache.logging.log4j.core.appender.SyslogAppender for element Syslog > > org.apache.logging.log4j.core.config.ConfigurationException: Arguments > > given for element Syslog are invalid: field 'name' has invalid value > 'null' > > at > > > org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.injectFields(PluginBuilder.java:199) > > ..... > > at > > > org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:621) > > at > > > org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:715) > > ERROR StatusConsoleListener Null object returned for Syslog in Appenders. > > > > > > Below is my implementation > > > > ConfigurationBuilder<BuiltConfiguration> builder1 = > > ConfigurationBuilderFactory.newConfigurationBuilder(); > > AppenderComponentBuilder syslogAppender1 = > > builder1.newAppender("syslog", "Syslog") > > .addAttribute("protocol", "UDP") > > .addAttribute("host", hostname) > > .addAttribute("port", port1) > > .addAttribute("appName", "serviceName") > > .addAttribute("id", "serviceName") > > .addAttribute("facility", "LOCAL0") > > .addAttribute("newLine", true) > > .addAttribute("format", "RFC5424") > > .addAttribute("ignoreExceptions", false); > > syslogAppender1.add(builder1.newFilter("ThresholdFilter", > > Filter.Result.ACCEPT, Filter.Result.DENY) > > .addAttribute("level", Level.DEBUG)); > > builder1.add(syslogAppender1); > > > > builder1.add(builder1.newLogger("client1", Level.DEBUG) > > .add(builder1.newAppenderRef("syslog")) > > .addAttribute("additivity", false)); > > Configurator.reconfigure(builder1.build()); > > > > Logger logger = LogManager.getLogger("client1"); > > logger.info("client1 message1"); > > > > ConfigurationBuilder<BuiltConfiguration> builder = > > ConfigurationBuilderFactory.newConfigurationBuilder(); > > AppenderComponentBuilder syslogAppender = builder.newAppender("syslog1", > > "Syslog") > > .addAttribute("protocol", "UDP") > > .addAttribute("host", hostname) > > .addAttribute("port", port2) > > .addAttribute("appName", "serviceName") > > .addAttribute("id", "serviceName") > > .addAttribute("facility", "LOCAL0") > > .addAttribute("newLine", true) > > .addAttribute("format", "RFC5424") > > .addAttribute("ignoreExceptions", false); > > > > syslogAppender.add(builder.newFilter("ThresholdFilter", > > Filter.Result.ACCEPT, Filter.Result.DENY) > > .addAttribute("level", Level.DEBUG)); > > builder.add(syslogAppender); > > > > builder.add(builder.newLogger("client2", Level.DEBUG) > > .add(builder.newAppenderRef("syslog1")) > > .addAttribute("additivity", false)); > > > > LoggerContext logContext = LoggerContext.getContext(false); > > org.apache.logging.log4j.core.config.Configuration configurationcore = > > logContext.getConfiguration(); > > List<AbstractConfiguration> configurationList = new ArrayList<>(); > > if (configurationcore != null) > > configurationList.add((AbstractConfiguration) configurationcore); > > org.apache.logging.log4j.core.config.Configuration newconfig = > > builder.build(); > > configurationList.add((AbstractConfiguration) newconfig); > > CompositeConfiguration compositeConfiguration = new > > CompositeConfiguration(configurationList); > > logContext.reconfigure(compositeConfiguration); > > logContext.updateLoggers(); > > > > Logger logger1 = LogManager.getLogger("client2"); > > logger1.info("client2 message1"); > > logger1.info("client2 message2"); > > logger.info("client1 message2"); > > logger1.info("client2 message3"); > > logger.info("client1 message3"); > > > > > > Thank you, > > Ganesh S > >
