After the project goes online, how to reduce customers’ doubts about the delivery?Here is the secret script of three moves>>>

1、 Modify project attributes:
1

Right click the project in eclipse, select properties, and then select dynamic web module in project faces. Modify 3.0 to 2.3. You may be prompted with the following information:
cannot change version of project facet dynamic web module to 2.3

This means that you can’t modify it, and then use the second method

2、 Modify the configuration file:
find the hard disk directory of the project and open the. Setting folder under the project, as shown in the following figure:

Find the org.eclipse.wst.common.project.facet.core.xml file in the. Setting folder. The file format is as follows:

<?xml version=”1.0″ encoding=”UTF-8″?>

< faceted-project>

< fixed facet=”wst.jsdt.web”/>

< installed facet=”jst.web” version=”2.3″/>

< installed facet=”wst.jsdt.web” version=”1.0″/>

< installed facet=”java” version=”1.7″/>

</ faceted-project>

Manually modify the version corresponding to jst.web

Finally, restart Tomcat and you can use it normally