打开maven配置文件 setting.xml文件(.../.m2/settings.xml) 增加如下配置:
<profiles>
<profile>
<id>downloadSources</id>
<properties>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
</properties>
</profile>
</profiles>
<activeProfiles>
<activeProfile>downloadSources</activeProfile>
</activeProfiles>
原文地址:http://blog.csdn.net/wpydaguan/article/details/43701571