JAMES-3221 Simple implementation for logging configuration file paths

[ieugen]

• When loading a configuration file, print it's absolute path.
• Usefull for debugging production miss-configurations

https://issues.apache.org/jira/browse/JAMES-3221

[ieugen]

Sample output:

3:05:46,291 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration.
03:05:46,293 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@524d6d96 - Registering current configuration as safe fallback point

Starting Apache James
Load logging config from /home/ieugen/proiecte/james/james-self-hosting-sandbox/conf/logback.xml
03:05:46.327 [INFO ] o.a.j.JPAJamesServerMain - Loading configuration Basic{configurationPath=ConfigurationPath{value=file://conf/}, directories=JamesServerResourceLoader{rootDirectory=/home/ieugen/proiecte/james/james-self-hosting-sandbox/, varDirectory=/home/ieugen/proiecte/james/james-self-hosting-sandbox//var/, confDirectory=/home/ieugen/proiecte/james/james-self-hosting-sandbox//conf/}}
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.google.inject.internal.cglib.core.$ReflectUtils$1 (file:/home/ieugen/.m2/repository/com/google/inject/guice/4.2.2/guice-4.2.2.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of com.google.inject.internal.cglib.core.$ReflectUtils$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
03:05:48.002 [INFO ] o.a.j.StartUpChecksPerformer - StartUpChecks all succeeded
03:05:48.135 [INFO ] o.a.j.u.PropertiesProvider - Load configuration file /home/ieugen/proiecte/james/james-self-hosting-sandbox/conf/healthcheck.properties
03:05:48.251 [INFO ] o.a.c.b.FluentPropertyBeanIntrospector - Error when creating PropertyDescriptor for public final void org.apache.commons.configuration2.AbstractConfiguration.setProperty(java.lang.String,java.lang.Object)! Ignoring this property.
03:05:48.275 [INFO ] o.a.j.u.PropertiesProvider - Load configuration file /home/ieugen/proiecte/james/james-self-hosting-sandbox/conf/james-database.properties

[ieugen]

I just pushed. It's a bit more polished.
Please review.
Merge if you it's ok.
We can't get much more out of this now.

[rouazana]

what do you think of #208 (comment) ?

[ieugen]

what do you think of #208 (comment) ?

Done. Missed that. Thanks.

[mbaechler]

Thank you @ieugen for this contribution, it's cool to see people care about details we overlooked for now

[rouazana]

Thank you!