maven 多模块怎么用jetty插件热部署？

Question

<!-- 插件配置 -->
<build>
<finalName>rop-sample</finalName>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<configuration>
<scanIntervalSeconds>3</scanIntervalSeconds>
<stopPort>9966</stopPort>
<stopKey>foo</stopKey>
<webApp>
<contextPath>/duidui</contextPath>
<!-- 设置其他项目extraClasspath，多个用";"隔开 -->
<extraClasspath>
../duidui-dao/target/classes;
../duidui-service/target/classes;
../duidui-model/target/classes;
../duidui-util/target/classes;
../duidui-web/target/classes; 
</extraClasspath> 
</webApp>
         <!-- 设置监听目录 -->
        <scanTargets>
            <scanTarget>../duidui-dao/target/classes</scanTarget>
            <scanTarget>../duidui-service/target/classes</scanTarget>
            <scanTarget>../duidui-model/target/classes</scanTarget>
            <scanTarget>../duidui-util/target/classes</scanTarget>
            <scanTarget>../duidui-web/target/classes</scanTarget>
        </scanTargets>
<connectors>
<connector implementation="org.mortbay.jetty.nio.SelectChannelConnector"> 
<port>8080</port>
<maxIdleTime>60000</maxIdleTime>
</connector>
</connectors>
</configuration>
</plugin>
</plugins>
</build>