Struts2-tomcat Error: There is no action mapped for Namespace/and action

HTTP Status 404-there is no action mapped for Namespace/and action name first.

type Status Report

message There is no action mapped for Namespace/and action name first.

Description The requested resource is not available.

Apache tomcat/6.0.37

Solve:

1.struts.xml file name error: such as: sturts.xml spelling error, struts2.xml understanding error;

2.struts.xml file location error, should be placed in the SRC directory;

3.struts.xml File Content Error

Struts2-tomcat Error: There is no action mapped for Namespace/and action