Jenkins installation & integration with firebugs documentation available in the link. Download here
Maven plugin for findbugs report generation.
<reporting>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>2.5.2</version>
<configuration>
<!--
Enables analysis which takes more memory but finds more bugs.
If you run out of memory, changes the value of the effort element
to 'low'.
-->
<effort>Max</effort>
<!-- Reports all bugs (other values are medium and max) -->
<threshold>Low</threshold>
<!-- Produces XML report -->
<xmlOutput>true</xmlOutput>
</configuration>
</plugin>
</plugins>
</reporting>
Command to generate find bugs report : mvn clean compile site