Answer Posted / rajasekhar

Yes, it is necessary to provide the configuration file. But
it is not compulsary that the name of the file should be
struts-config.xml. We need to configure the name of the
file in the deployment descreptor(web.xml) of the web
application.

<servlet>
<servlet-name>action</servlet-name>
<servlet-class>
org.apache.struts.action.ActionServlet </servlet-
class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-
value>
</init-param>.....
<servlet>

Important tag in the configuration files are:
<struts-config>
<form-beans>
<form-bean name=" employForm" class="com.emp.EmployForm"/>
</form-beans>
<global-forwards>
<forward name="success" path="success.jsp" />
</global-forwards>
<global-exceptions>
<excetption key="some.key" type="ExceptionType"
path="SomeException.jsp" />
</global-exception>
<action-mappings>
<action path="/login" name="employForm"
type="com.emp.EmployAction" scope="request\session"
input="/login.jsp" validate="true/false" >
<forward name="success" path="/Mainpage.jsp" />
<forward name="failure" path="/Errorpage.sp" />
</action>
</action-mappings>
<controller
processorClass="org.apache.struts.action.RequestProcessor"/>
<message-resource parameter="applicationResources" />
</struts-config>

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