project facets 设置成2.5java
org.eclipse.wst.common.project.facet.core.xml xml文件。web
<?xml version="1.0" encoding="UTF-8"?> <faceted-project> <fixed facet="wst.jsdt.web"/> <installed facet="jst.web" version="2.5"/> <installed facet="wst.jsdt.web" version="1.0"/> <installed facet="java" version="1.7"/> </faceted-project>
将jst.web,的version改为2.5eclipse
maven -> update projectmaven