Hi all,
I am currently struggling with my custom log levels (with Log4J version 2.14.1):
I added three levels (MSG, WRN, ERR) corresponding to existing levels in our
previous logging solution, but with the same numeric level values as the Log4J
2 levels INFO, WARN, ERROR.
These levels are created in my generated custom logger using
"Level.forName(...)".
Unfortunately using the (minimal) configuration below I get an "Error while
converting string [msg] to type [class org.apache.logging.log4j.Level]. Using
default value [null]. java.lang.IllegalArgumentException: Unknown level
constant [MSG]"
Config:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="AppConsole" target="SYSTEM_OUT">
<MyCompanyLayout/>
</Console>
</Appenders>
<Loggers>
<Logger name="applog" level="msg">
<AppenderRef ref="AppConsole"/>
</Logger>
</Loggers>
</Configuration>
When I add
<CustomLevels>
<CustomLevel name="ERR" intLevel="200" />
<CustomLevel name="WRN" intLevel="300" />
<CustomLevel name="MSG" intLevel="400" />
</CustomLevels>
it works without any issues, however I would like to programmatically add these
levels since we want to provide our logger as an internal API and I don't want
every user to additionally include this configuration.
I tried defining a ConfigurationFactory plugin that adds these levels to the
loaded configuration as described in "Initialize Log4j by Combining
Configuration File with Programmatic Configuration" by calling
getCustomLevels.add(...) but since this is an unmodifiable list the
configuration fails.
Any ideas how I could achieve this?
Thanks in advance for the help and providing such a refined log framework!
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