I’d need to see the rest of your main. For example does it declare a Logger? If
so where is it in relation to the static block?
Ralph
> On Oct 30, 2023, at 7:25 AM, Alex Orlov <ooo_satu...@mail.ru.INVALID> wrote:
>
>
> Hi all,
>
> I use log4j 2.21.1. This is my xml config file:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="debug">
> <Appenders>
> <File name="File" fileName="./../log/log-${sys:foo.test}.txt"
> immediateFlush="true" append="false">
> <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS}
> %highlight{[%level]}{FATAL=bright_red bold, ERROR=red bold, WARN=yellow bold,
> INFO=blue bold, DEBUG=green bold, TRACE=magenta bold} [%t] %logger{36} -
> %msg%n" disableAnsi="false"/>
> </File>
> </Appenders>
>
> <Loggers>
> <Root level="debug">
> <AppenderRef ref="File"/>
> </Root>
> </Loggers>
> </Configuration>
>
> This is a piece of my MainClass:
>
> public final class MainClass {
>
> static {
> SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd
> hhmmss");
> System.setProperty("foo.test", dateFormat.format(new Date()));
> }
>
> .....
> }
>
> However, the generated log file is `log-${sys:foo.test}.txt`. I mean:
>
> user@pc:~/Temp/log$ ls
> 'log-${sys:foo.test}.txt'
>
> According to docs
> https://logging.apache.org/log4j/2.x/manual/configuration.html#PropertySubstitution
> my solution must work but it doesn't. Could anyone say how to fix it?
>
>
> --
> Best regards, Alex Orlov
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