I just noticed this never got replied to. But I guess I need to add that I
don’t understand why you need to do this, or how you expect it to work. It
seems like you are trying to create a new Root Logger so you can add a custom
attribute to it. I’m not really sure why since that custom attribute isn’t
being recognized by Log4j. Furthermore, the LoggerConfig constructor you are
calling requires 5 parameters. I don’t see a constructor that has 5 parameters.
Can you explain what the “use myAttr” code is doing in the constructor?
Ralph
> On May 19, 2020, at 4:22 AM, 南 温夫 <mina...@intellilink.co.jp> wrote:
>
> Hello, I'd like to ask about LoggerConfig Plugin. I'm trying to add custom
> attributes to my logger using LoggerConfig Plugin as following.
>
> @Plugin(name = "MyLogger", category = "Core", printObject = true)
> public static class MyLoggerConfig extends LoggerConfig {
>
> @PluginFactory
> public static LoggerConfig createLogger(@PluginAttribute(value =
> "additivity", defaultBooleanValue = true) boolean additivity,
> @PluginAttribute(value = "level",
> defaultStringValue = "ERROR") Level level,
> @PluginElement("AppenderRef")
> AppenderRef[] refs,
> @PluginElement("Filters") Filter
> filter
> @ PluginAttribute ("MyAttribute")
> String myAttr) {
> List<AppenderRef> appenderRefs = Arrays.asList(refs);
> ... use myAttr
> return new LoggerConfig(LogManager.ROOT_LOGGER_NAME, appenderRefs,
> filter, level, additivity);
> }
> }
>
> https://logging.apache.org/log4j/2.x/manual/extending.html#LoggerConfig
>
> This is work when I write in lo4j2.xml as below.
> <Loggers>
> <MyLogger name="mylogger">
> </MyLogger>
> </Loggers>
>
> However, using log4j2.properties format it doesn't work.
> loggers = MyLogger
> logger.MyLogger.name = myLogger
>
> I think this is because I should write properites setting same to xml like
> below, but this is not correct.
> loggers = MyLogger
> MyLogger.name = myLogger
>
>
> It would be helpful if anyone knows how to use LoggerConfig plugin with
> lo4j2.properies format setting.
> I'm using latest version 2.13.3.
>
> Regards
>
>
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