multiple struts config file with same action path.

vignesh sankar

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posted 11 years ago

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I added below code. I am new to struts.
Web.xml file:

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
	<display-name>StrutsExample2</display-name>

<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-sample.xml</param-value>
		</init-param>
	</servlet>

<servlet>
		<servlet-name>employee</servlet-name>
		<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
		<init-param>
			<param-name>config</param-name>
			<param-value>/WEB-INF/struts-config-sample.xml</param-value>
		</init-param>
		<init-param>
			<param-name>config/employee</param-name>
			<param-value>/WEB-INF/struts-config-employee.xml</param-value>
		</init-param>
	</servlet>
		<servlet>
		<servlet-name>student</servlet-name>
		<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
		<init-param>
			<param-name>config</param-name>
			<param-value>/WEB-INF/struts-config-sample.xml</param-value>
		</init-param>
		<init-param>
			<param-name>config/student</param-name>
			<param-value>/WEB-INF/struts-config-student.xml</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>action</servlet-name>
		<url-pattern>*.cd</url-pattern>
	</servlet-mapping>

<servlet-mapping>
		<servlet-name>employee</servlet-name>
		<url-pattern>/emp/*</url-pattern>
	</servlet-mapping>
		<servlet-mapping>
		<servlet-name>student</servlet-name>
		<url-pattern>/stud/*</url-pattern>
	</servlet-mapping>	
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

struts-config-student.xml

struts-config-sample.xml

struts-config-employee.xml

student.jsp

sample.jsp

employee.jsp

index.jsp

StudentAction.java

EmployeeAction.java

SampleAction.java

When i call localhost:8080/multipleStrutsConfigEx/welcome.cd
output is You came here through sample action.
when i call localhost:8080/../stud/welcome
output is again You came here through sample action.
whien i call localhost:8080/../emp/welcome
output is again You came here through sample action.
but i expect You came here through student action and You came here through employee action resp.

Please correct my code. i am standing here for long time..

File Hierarchy
MultipleStrutsConfigEx
--employee folder
-----employee.jsp
--student foler
-----student.jsp
--WEB-INF
----classes
-------com.....
----lib
----struts-employee
----struts-sample
----struts-sample
----web.xml
--index.jsp
--sample.jsp

Jeanne Boyarsky

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posted 11 years ago

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To summarize that long example, you have three struts config files that all define the mapping /welcome. Two of them go with different action servlets.

I think the best advice here is "don't do that." Use a different name for each mapping/path so it isn't ambiguous where requests should be directed.

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vignesh sankar

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posted 11 years ago

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Actually Thanks Jeanne for Your Advice. I fixed the problem. since org.apache.struts.action.ActionServlet is mapped to one config file. its cannot mapped to other config file. It can be solved by using module concept in Struts.

Web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Maven Struts Examples</display-name>
  
  <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-1.xml, /WEB-INF/struts-config-2.xml
        </param-value>
    </init-param>
     <init-param>
        <param-name>config/admin</param-name>
        <param-value>
         /WEB-INF/struts-config-admin.xml
        </param-value>
    </init-param>
    <init-param>
        <param-name>config/common</param-name>
        <param-value>
         /WEB-INF/struts-config-common.xml
        </param-value>
    </init-param>
    		<load-on-startup>0</load-on-startup> 
  </servlet>
    
  <servlet-mapping>
       <servlet-name>action</servlet-name>
       <url-pattern>/</url-pattern>
  </servlet-mapping>

</web-app>

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