Summary of Struts2 about "there is no action mapped for Namespace/and action name"

There are three possibilities for this to occur when requesting a page:

1,struts.xml file name error. Be sure to pay attention to spelling problems;

2,struts.xml file placement path error. Be sure to place this file in the SRC directory. After the compilation is successful, verify that it is compiled into the classes directory;

3,struts.xml filename is inconsistent with file contents (for example, below)

Example:struts. xml

<?xml version= "1.0" encoding= "UTF-8"?>
<! DOCTYPE Struts public
"-//apache software foundation//dtd Struts Configuration 2.0//en"
"Http://struts.apache.org/dtds/struts-2.0.dtd" >

<struts>




</struts>

Summary of Struts2 about "there is no action mapped for Namespace/and action name"