Cannot resolve plugin org.mortbay.jetty:maven-jetty-plugin:＜unknown＞

按照下面这个在pom.xml中配置jetty插件即可：

<plugin>
    <groupId>org.eclipse.jettygroupId>
    <artifactId>jetty-maven-pluginartifactId>
    <version>9.3.14.v20161028version>
    <configuration>
        <webAppConfig>
            <maxFormContentSize>600000maxFormContentSize>
            <contextPath>/filecontextPath>	
        webAppConfig>


        <scanIntervalSeconds>3scanIntervalSeconds>
        <webAppSourceDirectory>${basedir}/webapp/webAppSourceDirectory>
        <stopPort>9998stopPort>
        <stopKey>stopstopKey>
        <jettyConfig/>
        <systemProperties>
            <systemProperty>
                <name>UrlEncodedname>
                <value>GBKvalue>
            systemProperty>
        systemProperties>
    configuration>
plugin>