✎ Configure Logging | Documentation

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~~NOTRANS~~
~~Title: Configure Logging~~

JVx uses standard [[jvx:common:util:loggerfactory|JDK logging API]] or [[jvx:common:util:log4j|log4j]].

If you don't use a custom logging.properties file, the log mechanism won't work as expected because of standard log settings of JRE/JDK:

The default logging.properties file sets the global level to:

<file script>
.level= INFO
</file>
and also the console log handler level, to:
<file script>
java.util.logging.ConsoleHandler.level = INFO
</file>

f you change the log level of a logger (via About screen), it wouldn't change the log output because JVx doesn't recognize the log handler configuration.

It's best if you use a preconfigured file for your application: [[https://doc.sibvisions.com/_media/applications/logging.properties|logging.properties]]

Simply copy the file in your test folder or any other folder in your classpath.

The example file sets the console log handler level to

<file script>
java.util.logging.ConsoleHandler.level = ALL
</file>