We are working on adding custom level logging into our logger (which is currently log4j 1.2.x) and understood that this functionality is supported since log4j 2.
Thus we are planning to migrate from log4j 1.2.x to log4j2 version. However, our logger application is completely dependent on the log4j 1.2.x appenders where we directly extend / inherit appender classes like FileAppender etc. Right the bridge dont have support for the individual appenders and we are using the appenders in our application to log data.
Is there any way that those classes (which are dependent on FileAppender) can be readily migrated, because I dont see much information in internet / apache.org to get the internals.
Appreciate your help.
Thanks.
Related
I try to use flogger with the log4j2 backend. Seems to work fine.
My problem is, how to configure output pattern, output level or appenders in general using log4j files (xml or properties).
If using this constellation without any configuration, only level error is logged.
OK, I missed to add log4j-web package, so everything was fine in a standalone app, but this package is needed in a web application
I want to migrate an application from grails 2.4.4 to grails 3.3.9.
As the structure of the conf directory in grails 2.x is completely different from 3.x, there is no config.groovy in 3.x anymore. In config.groovy of 2.x I used to define lists of constants for my select boxes like:
metals=['au','ag','pl']
and I accessed them via
static List getMetals() {
grails.util.Holders.config.metals
}
in my groovy code.
What is the corresponding way in 3.x?
I would start by checking out the upgrade guides:
http://docs.grails.org/latest/guide/upgrading.html
http://docs.grails.org/3.2.0/guide/upgrading.html#upgrading2x
config.groovy, by default becomes application.yml, but you can convert that to application.groovy, and there is a script in the external config plugin that will help with that:
http://plugins.grails.org/plugin/grails/external-config
In general it is conserdered back practice to use the holders, it would be better to use either an injected bean/service
GrailsApplication grailsApplication
grailsApplication.config.etc
Or wire in a bean using resources. The only reason to use holders is in another object that is outside of grails, that for some reason, you can't wire up as a bean. In that cases there is now a Holders class, that you can get the config from. Here's some other ways to get at the config from an OCI blog:
http://grailsblog.objectcomputing.com/posts/2016/08/31/retrieving-config-values.html
I am working in Grails 3.0.9 application and I am creating services and controller in default package. I want to log them with my logger but logger asks for the package name. I want to show the logs on All level from application. I set root logger as All and booom it shows whole grails framework logs. I want only my application logs. Please suggest me a good solution for my logging problem.
Move your classes to packages.
I want to test my integration test cases, for that i want to set my camel tracing on to debug my test cases.
how to do this in grails any idea? I am using log4j for logging.
From Camel 2.12 onwards you must explicit enable tracing on the CamelContext. The class contains setTracing(Boolean enabled) method.
So if you are using XML DSL:
<camelContext trace="true" ...>
otherwise:
camelContext.setTracing(true)
To setup logging is quite trivial I supposed.
how can i use log4j in grails application?
Look at the Logging section of the manual.
log4j is built in and has a basic configuration out of the box.
You could use log4j right from the box, for example:
log.debug "The value of foo is $foo"
Configuration of logging in last version
If you are into unit testing be sure to check mockLogging method in Testing section.