1.在eclipse的workspace里面找到该项目.settings文件夹
2.编辑org.eclipse.wst.common.project.facet.core.xml文件
<?xml version="1.0" encoding="UTF-8"?> <faceted-project> <fixed facet="wst.jsdt.web"/> <installed facet="jst.web" version="3.1"/> <installed facet="jst.jaxrs" version="2.0"/> <installed facet="wst.jsdt.web" version="1.0"/> <installed facet="java" version="1.7"/> </faceted-project>
将<installed facet="jst.web" version="3.1"/> 改为低一点的版本,如<installed facet="jst.web" version="3.0"/>
改完后:
<?xml version="1.0" encoding="UTF-8"?> <faceted-project> <fixed facet="wst.jsdt.web"/> <installed facet="jst.web" version="3.0"/> <installed facet="jst.jaxrs" version="2.0"/> <installed facet="wst.jsdt.web" version="1.0"/> <installed facet="java" version="1.7"/> </faceted-project>
记得,重启Eclipse。