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<p><table class="wysiwyg-macro" data-macro-name="excerpt" data-macro-parameters="atlassian-macro-output-type=BLOCK" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e2V4Y2VycHQ6YXRsYXNzaWFuLW1hY3JvLW91dHB1dC10eXBlPUJMT0NLfQ&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="RICH_TEXT"><tr><td class="wysiwyg-macro-body">
<p>For advanced users, some tweakable bits for those who like to flip switches.</p></td></tr></table></p>

<h1>Logging Configuration</h1>

<p>GMaven uses <a href="http://www.slf4j.org">SLF4j</a> and uses the <em>Gossip</em> provider to allow for simple and flexible configuration of logging output.</p>

<p>Since version <code>1.0-rc-3</code>, GMaven provides some default profiles to enable more logging for GMaven components.</p>

<p>To enable <code>DEBUG</code> logging for GMaven:</p>

<table class="wysiwyg-macro" data-macro-name="noformat" style="background-image: url(/plugins/servlet/confluence/placeholder/macro-heading?definition=e25vZm9ybWF0fQ&amp;locale=en_GB&amp;version=2); background-repeat: no-repeat;" data-macro-body-type="PLAIN_TEXT"><tr><td class="wysiwyg-macro-body"><pre>
mvn -Dgmaven.logging=DEBUG
</pre></td></tr></table>

<p>To enable <code>TRACE</code> logging for GMaven:</p>

<h1>Custom Logging Configuration</h1>

<p>By default Gossip will use a reasonable default configuration. But if you feel like Maven is not spitting out enough information, or want to target the information displayed.</p>

<p>Try creating a <code>$HOME/.gossip/config.properties</code> file something like this:</p>

profiles=mojo-debug

##
## org.codehaus.mojo.logging=DEBUG
##

profile.mojo-debug.triggers=default

profile.mojo-debug.trigger.default=org.codehaus.groovy.maven.gossip.model.trigger.SystemPropertyTrigger
profile.mojo-debug.trigger.default.name=org.codehaus.mojo.logging
profile.mojo-debug.trigger.default.value=DEBUG
profile.mojo-debug.trigger.default.ignoreCase=true

profile.mojo-debug.filters=console

profile.mojo-debug.filter.console=org.codehaus.groovy.maven.gossip.model.filter.ConsoleWriter
profile.mojo-debug.filter.console.renderer=org.codehaus.groovy.maven.gossip.model.render.SimpleRenderer
profile.mojo-debug.filter.console.renderer.includeName=true
profile.mojo-debug.filter.console.renderer.shortName=true
profile.mojo-debug.filter.console.renderer.nameWidth=30

profile.mojo-debug.logger.org.codehaus.mojo=DEBUG
</pre></td></tr></table>

<p>This example will enable DEBUG logging for Gossip enabled Mojo plugins when the <code>org.codehaus.mojo.logging</code> property is set to <code>DEBUG</code>.</p>

<h2>Internal Logging Configuration</h2>

<p>Sometimes you might need to see how the Gossip SLF4J provider is getting configured.  To show Gossip's internal logging configure the <code>org.codehaus.groovy.maven.gossip.InternalLogger</code> system property, as in:</p>