How to solve struts error ‘Can not find the tag library descriptor for struts-tags’

For solve this issue,we have to add struts jar files to our project workspace location

or copy to
WebContent—>WEB-INF—->lib–>paste jar files

The below list contain struts jar file

1.commons-io-1.3.2.jar
2.freemarker-2.3.15.jar
3.ognl-2.7.3.jar
4.struts2-core-2.1.8.1.jar
5.xwork-core-2.1.6.jar