JavaServer Faces 2.2 requires Dynamic Web Module 2.5 or newer

eclipse maven web 工程显示以下问题：

JavaServer Faces 2.2 can not be installed : One or more constraints have not been satisfiedJavaServer Faces 2.2 requires Dynamic Web Module 2.5 or newer

解决方法：

修改jst.web=2.4，jst.jsf=2.0

org.eclipse.wst.common.project.facet.core.xml：

<?xml version="1.0" encoding="UTF-8"?><faceted-project>  <fixed facet="wst.jsdt.web"/>  <installed facet="maven" version="1.0"/>  <installed facet="wst.jsdt.web" version="1.0"/>  <installed facet="java" version="1.7"/>  <installed facet="jst.jaxrs" version="2.0"/>  <installed facet="jst.web" version="2.4"/>  <installed facet="jst.jsf" version="2.0"/></faceted-project>