anchor.diff:  . Create a file `lifecycle-mapping-metadata.xml` as follows:
   
    <?xml version="1.0" encoding="UTF-8"?>
  -<lifecycleMappingMetadata>
  + <lifecycleMappingMetadata>
      <pluginExecutions>
         <pluginExecution>
            <pluginExecutionFilter>
  
positive.code:    </pluginExecutions>
  </lifecycleMappingMetadata>
  
  . Go to `Eclipse Preferences > Maven > Lifecycle Mappings`.Click *Browse* and select the path of the `lifecycle-mapping-metadata.xml` file
  
  . Build the project again (`Right click on killbill > Maven > Update Project > OK`)
  
  . This will get rid of all the build errors. Your Eclipse workspace should look like this:image:https://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/development/eclipse_workspace.png[align=center]
  
  
negative.code:             </goals>
           </pluginExecutionFilter>
           <action>
             <ignore />
           </action>
        </pluginExecution>
        <pluginExecution>
  