org.eclipse.virgo.nano.war.deployer/findbugs-exclude.xml

<FindBugsFilter>
     <!-- Exclusions -->
     <Match>
       	<Bug pattern="ES_COMPARING_PARAMETER_STRING_WITH_EQ"/>
        <Class name="org.eclipse.virgo.nano.deployer.core.module.StandardModule"/>
        <Method name="unwrapNull"/>
     </Match>	
</FindBugsFilter>