maven 中使用jetty

<build>
            <plugins>
                <plugin>
                    <groupId>org.mortbay.jetty</groupId>
                    <artifactId>jetty-maven-plugin</artifactId>
                    <version>8.1.16.v20140903</version>
                    <configuration>
                        <webApp>
                            <contextPath>/</contextPath>
                            <!--<webDefaultXml>src/main/resources/webdefault.xml</webDefaultXml>-->
                        </webApp>
                        <stopKey>exit</stopKey>
                        <stopPort>9090</stopPort>
                        <scanIntervalSeconds>1</scanIntervalSeconds>
                        <connectors>
                            <connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">
                                <port>8080</port>
                                <maxIdleTime>60000</maxIdleTime>
                            </connector>
                        </connectors>
                        <requestLog implementation="org.eclipse.jetty.server.NCSARequestLog">
                            <filename>target/access.log</filename>
                            <retainDays>90</retainDays>
                            <append>false</append>
                            <extended>false</extended>
                            <logTimeZone>GMT+8:00</logTimeZone>
                        </requestLog>
                    </configuration>
                </plugin>
            </plugins>
        </build>