I would like to change the logging level of my Quarkus application.
How can I do that either from the configuration file or at runtime?
The property that controls the root logging level is quarkus.log.level (and defaults to INFO).
This property can be set either in application.properties or can be overridden at runtime using -Dquarkus.log.level=DEBUG.
You can also specify more fine grained logging using quarkus.log.category.
For example for RESTEasy you could set:
quarkus.log.category."org.jboss.resteasy".level=DEBUG
For more information about logging in Quarkus, please check this guide.
Related
While scouting the documentation we found the following properties that we want to set.
max-source-rows-allowed
exception-on-max-source-rows
Found on the following page:
https://teiid.github.io/teiid-documents/16.0.x/content/admin/Other_Considerations.html
However, we have tried several ways to set these without avail. The properties are not listed on the following page.
https://github.com/teiid/teiid-spring-boot/blob/master/docs/Reference.adoc
How can we set these properties?
Teiid spring boot does not currently allow setting properties like these, which are normally set in the Teiid WildFly subsystem, in an elegant way. The only workaround is to wire in your own EmbeddedConfiguration with all the appropriate settings - as the TeiidAutoConfiguration logic won't make any additional changes to a supplied configuration.
You can also log an issue / supply a patch to have this properties set from the configuration file.
Currently spring boot seems to support only classpath based logging configuration.
It also ignores any configuration passed as vm argument as follows.
-Dlog4j.configurationFile=/opt/xyz/log4j2-prod.xml
How can we have different log4j2 configuration based on different environment, considering classpath for all environment remains same.
What about set the properties: logging.config=classpath:log4j2-dev-spring.xml in each application-{profile}.properties that you have. Can use like this too: logging.config=${ENV_VAR}
You should use the following param
-Dlogging.config='/path/to/log4j2.xml'
I am setup to use logback with my SpringBoot application and everything is running fine and dandy.
I noticed a property called logging.path in the application.properties file which sets the value for ${LOG_PATH} in logback.xml. How does it do it?
I went through the SpringBoot logging documentation.
Any documentation I could find on property placeholder configurer
Yet I don't understand how logging.path could pass the value for ${LOG_PATH}. Though not a killer issue, I would like to know how this mapping is made.
The magic is spring will transfter logging.path into System propeties LOG_PATH.
Description from spring doc:
To help with the customization some other properties are transferred from the Spring Environment to System properties:
And it also says:
All the logging systems supported can consult System properties when parsing their configuration files. See the default configurations in spring-boot.jar for examples.
Details:
https://docs.spring.io/spring-boot/docs/1.5.6.RELEASE/reference/htmlsingle/#boot-features-custom-log-configuration
For more recent versions of Spring Boot, such as 2.5.x, the logging.file.path maps to LOG_PATH.
I have a Spring boot application which use logback.xml for logging configurations.I am looking for options to dynamically change log level.
For instance if I have deployed an app with loglevel as ERROR,Let say I want to change this to INFO but I don't want to redeploy/restart my JVM.
Is there any possibility we can configure logback.xml like config server to achieve this
You can configure Logback to Automatically reloading configuration file upon modification
Yes, this is quite possible. Expose a rest endpoint where you supply the className and log level. With slf4j you can get the LoggerContext and change the level.
LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
context.getLogger(className).setLevel(Level.valueOf(level));
Apache Commons logging and others have similar features.
If you are using spring cloud then you can have this in your yml file
logging:
level:
root: INFO
Then you can change it and refresh the configuration using actuator refresh to fetch new configuration changes no need to restart the service.
Also if you need some sort of UI to do this stuff you can explore the Spring-cloud-dashboard It is pretty cool and uses the features from the actuator to do and show you a lot of stuff not only changing log levels.
I have set up my log configuration using logback.
The configuration sets up my logs in a rolling manner in a custom location. This means that I'm not using either:
"logging.file" or "logging.path" in my application.yml configuration, and as a consequence, the logfile endpoint no longer works.
Does anybody know of a way to customize this endpoint, so that I can point to the location/file specified in my logback.xml configuration?
Reading the two sections on Logging 26 & 74. It looks like it recommends using the logback-spring.xml config file with the base.xml configuration. With that you can still use the logging.file or logging.path application properties within the configuration. That way the /logfile endpoint is still valid for the current log file (probably won't look into the rolling files if that is what you setup).
You can specify the log file source from which the actuator will read.
To do that, try to use this property in your application.properties
endpoints.logfile.external-file=/var/log/app.log
or (based on your springboot version):
management.endpoint.logfile.external-file=/var/log/app.log