Help in struts application

Hi guys,
I'm using struts application,from that i will call
one external java file.(i.e) At the time of server(tomcat) will start ,the java class file is also started.
can u give any idea regarding my condition.I wrote some triggering logic in that Java file.
so, i need once the application will start, the corresponding java file will also called.

"SimpleServlet.java"
package com;
import org.quartz.CronExpression;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.CronTrigger;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;
import javax.servlet.*;
import java.io.*;
import javax.servlet.http.HttpServlet;
import org.quartz.ee.servlet.QuartzInitializerServlet;
public class Simple extends HttpServlet {
//Override
public void init(ServletConfig config) throws ServletException {
System.out.println("Initializing Scheduler PlugIn for Jobs!");
super.init(config);
// Retrieve a scheduler from schedule factory
try {
     Scheduler scheduler;
     SchedulerFactory schedulerFactory = new
StdSchedulerFactory();
     scheduler = schedulerFactory.getScheduler();
ServletContext ctx = config.getServletContext();
//Scheduler scheduler = null;
StdSchedulerFactory factory = (StdSchedulerFactory)
ctx.getAttribute(QuartzInitializerServlet.QUARTZ_FACTORY_KEY);
scheduler = factory.getScheduler();
//JobDetail jd = new JobDetail("job1",
"group1",SimpleQuartzJob.class);
JobDetail jd = new JobDetail("job1", "group1",Hello.class);
CronTrigger cronTrigger = new CronTrigger("trigger1","group1");
CronExpression cexp = new CronExpression("0/5 * * * * ?");
//String cronExpr = null;
//cronExpr = getInitParameter("cronExpr");
//System.out.println(cronExpr);
cronTrigger.setCronExpression(cexp);
scheduler.scheduleJob(jd, cronTrigger);
scheduler.start();
System.out.println("Job scheduled now ..");
} catch (Exception e){
e.printStackTrace();
//Override
public void service(ServletRequest request, ServletResponse
response)throws ServletException, IOException {
PrintWriter pw=response.getWriter();
pw.print("<html> <body> <h1>");
pw.print("Please wait,DataBase Operations is
performing.............");
pw.print("</h1></body></html>");
//Override
public String getServletInfo() {
     System.out.println("servlet started..");
return null;
"web.xml"
<?xml version="1.0" encoding="UTF-8"?>
<web-app>
     <display-name>
     Quartz</display-name>
<servlet>
<servlet-name>QuartzInitializer</servlet-name>
<display-name>Quartz Initializer Servlet</display-name>
<servlet-class>org.quartz.ee.servlet.QuartzInitializerServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<init-param>
<param-name>config-file</param-name>
<param-value>quartz.properties</param-value>
</init-param>
<init-param>
<param-name>shutdown-on-unload</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>start-scheduler-on-load</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet>
<servlet-name>Simple</servlet-name>
<servlet-class>com.Simple</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Simple</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
</web-app>I tried from this site http://www.oreillynet.com/cs/user/view/cs_msg/86579
but it will not work for me.
It throws servlet exception.
Message was edited by:
SARAV_RS

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I presume your form is being stored in session scope?
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I have a simple struts application, it only have a login form. however, it's alway throw java.lang.ClassCastException when I submit the form. Here is full stack trace:
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INFO: Initializing composable request processor for module prefix ''
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Here is my code:
package ndlinh.struts.lab;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
public class RegistrationForm extends ActionForm {
     private String userid = null;
     private String password = null;
     private String password2 = null;
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          System.out.println("************ Registration Form created *************");
      * @return the password
     public String getPassword() {
          return password;
      * @param password the password to set
     public void setPassword(String password) {
          this.password = password;
      * @return the password2
     public String getPassword2() {
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      * @param password2 the password2 to set
     public void setPassword2(String password2) {
          this.password2 = password2;
      * @return the userid
     public String getUserid() {
          return userid;
      * @param userid the userid to set
     public void setUserid(String userid) {
          this.userid = userid;
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          userid = "";
          password = "";
          password2 = "";
package ndlinh.struts.lab;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public final class RegistrationAction extends Action {
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                                         HttpServletRequest request, HttpServletResponse response)
          try {
               System.out.println("*******************" + actionForm.toString() + "*******************");
               RegistrationForm form = (RegistrationForm)actionForm;
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               String password = form.getPassword();
               System.out.println(username);
               // simple login checking.
               // if userid equals password, user can login to system
               if ( username.equalsIgnoreCase(password)) {
                    return mapping.findForward("success");
               } else {
                    return mapping.findForward("failure");
          } catch (Exception e) {
               e.printStackTrace();
               return mapping.findForward("failure");
}registration.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
     <html:form action="/register">
          Username: <html:text property="userid" /> <br />
          Password: <html:password property="password" /> <br />
          Re-type: <html:password property="password2" />
          <html:submit value="Register" />
     </html:form>
</body>
</html>struts-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<form-beans>
     <form-bean name="registrationForm" type="ndlinh.struts.lab.RegistrationForm" />
</form-beans>
<action-mappings>
     <action path="/register"
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</action-mappings>
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN" "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
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<servlet-mapping>
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</web-app>System information:
Tomcat 5.5.20
Struts 1.3.5
JDK1.5.08

struts-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<form-beans>
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</action-mappings>
</struts-config>HTH

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FYI
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     org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
     org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:302)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

See http://forum.java.sun.com/thread.jspa?messageID=3866745&tstart=0

Frame issue in jsp/struts application

I have a problem with jsp struts application .
i have a jsp page which is inside a frame .
The action class which receives the request from this page redirects the request to another jsp page.
I want this new jsp page to be displayed without any frame , but it is getting displayed from inside the frame .
can anybody help me out ...
regards,
slam

Possibly:
1. Browser could be caching the page.
2. If you use a proxy, the proxy may be caching the page.
3. The page is not getting recompiled.

"Navigator" via JSF in a Struts Application (struts-faces)

Hi!
I got an existing Struts application which uses some includes to display a "Menu" on the left side with several links to navigate through the Webapp. Each of the Links points to a Struts-Action, that does some business logic and redirects any of a bundle of JSPs... Each of the JSPs is including this "navigation-jsp".
Now i want to realize this Navigation with JSF and a TreeViewer (similar to the one in demo components) but the problem i face atm is, that when i click a link, and come back to any of the JSPs (after struts-action) how should this Tree-Navigator be rendered correctly???
As said in topic, im using struts-faces.
Any ideas?
Greetings
Patrick

please guys - try to help me :-(

PDK-Struts Application requires pdkstruts.jar & pdk-struts-html.tld

Hi All,
Scenario is this, that I've created a pdk-struts application via JDeveloper with normal struts taglibs, and deployed it to Oracle Portal 10.1.4. default-action tags specified action.do is working fine and displays the welcome page within portlet region but after clicking any button within that welcome page opens a new browser page within same window and the URL pattern changes too.
I want this to be executed within portlet region.
Another problem is this, when I tried to use pdk-struts-html.tld within application;
first warning within JDeveloper is this; Metadata Namespace for pdk-struts-html is not loaded, all entries are fine, and within Portal after successful deployment it gives an error (500 Server Listener Error) on viewing that portlet body.
I want these issues to be resolved as soon as possible.
Or if anybody knows about pdkstruts.jar and pdk-struts-html.tld with latest versions, plz do tell me the site-url to download these things.
Plz help me out about these issues.
Thanks in advance.

Look in the Building Struts Portlets with Oracle Jdevelper section of the Oracle Application Server Portal Developers Guide. You need additional jar files besides the pdkstruts one. Also, look in the server logs to see more detailed messages about why it failed, it will help you debug.

Sample struts application

Hello,
I am new to struts, i installed struts in my tomcat web server 5.0, and allso i installed the struts examples in my tomcat server,
i studied all the examples in the strutsexamples.war but it wont help me,i need to develope a small application using struts with the back end of mysql server5.0, i dont know how to retrive data from database and show it in page using struts,
i know very well in jsp, but i dont know struts,
plese any body give some useful reference links for developing struts application.
thanking u in advance.
plese help me.

There are numerous resources around online, but I found this particular one very useful. It gives a good overview of several things in Struts and then you can build on.
http://courses.coreservlets.com/Course-Materials/struts.html

Sorting Columns in a Struts application

Hi,
I am new to struts and I would request help on the following.
I have a struts application that uses struts nested tags to display data from a database table on a JSP page in a tabular manner in multiple columns. I want to be able to sort (either asending or decending) the results by clicking on a column header . Could someone provide a code example as how this could be done?
Thanks.

provide the links on your jsp page like
sort asc
sort desc
and in your action file
sort the query accrding to result variable
if("asc".equals(result)){
query for ascending
if("desc".equals(result)){
query for desc
}

Exception while running STRUTS application???

HI,
This is my 2nd post regarding my struts application, previous error was solved, but when i'm tryin to run my application with tomcat i'm getting error(plz help me tellin what changes i've to do in my application).It is actually the first page of the application which is a simple index.jsp, from where i've links to other main pages.The error i'm getting is:-
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause
java.lang.NullPointerException
org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:521)
org.apache.struts.util.RequestUtils.computeURL(RequestUtils.java:436)
org.apache.struts.taglib.html.LinkTag.calculateURL(LinkTag.java:495)
org.apache.struts.taglib.html.LinkTag.doStartTag(LinkTag.java:353)
org.apache.jsp.index_jsp._jspx_meth_html_link_0(index_jsp.java:96)
org.apache.jsp.index_jsp._jspService(index_jsp.java:69)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.
Apache Tomcat/5.0.27

Here i'm posting my index.jsp(where link tag is used), search.jsp, web.xml and struts.xml.frm index.jsp i just want to go to search.jasp frm where all the real thing will start.plz have look on all these files and let me no where i'm wrong.
index.jsp :-
<%@ page langiuage="java" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<html>
<head>
<title>Gaurav, Human Resource Portal</title>
<head>
<body>
<font size="+1"><b>Gaurav Human Resource Portal</b></font><br>
<hr wodth="100%" noshade="true">
 Add an Employee<br>
<html:link forward="search">Search for Employees</html:link><br>
</body>
</html>
search.jsp :-
<%@ page language="java" %>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<html>
<head>
<title>Gaurav, Human Resource Portal</title>
</head>
<body>
<font size="+1"><b>Gaurav, Human Resource Portal - search.jsp</b></font>
<hr width="100%" noshade="true">
<html:errors/>
<html:form action="/search">
     <table>
          <tr>
               <td align="right"><bean:message key="label.search.name"/>:</td>
               <td><html:text property="name"/></td>
          </tr>
          <tr>
               <td></td>
               <td>--- or ---</td>
          </tr>
          <tr>
               <td align="right"><bean:message key="label.search.ssNum"/>:</td>
               <td><html:text property="ssNum"/> (xxx-xx-xxxx)</td>
          </tr>
          <tr>
               <td></td>
               <td><html:submit/></td>
          </tr>
     </table>
</html:form>
<logic:present name="searchForm" property="results">
     <hr width="100%" size="1" noshade="true">
     <bean:size id="size" name"searchForm" property="results"/>
          <logic:equal name="size" value="0">
               <center><font color="red"><b>No Employees Found</b></font></center>
          </logic:equal>
          <logic:greaterThan name="size" value="0">
               <table border="1">
                    <tr>
                         <th>Name</th>
                         <th>Social Security number</th>
                    </tr>
                    <logic:iterate id="result" name="searchForm" property="results">
                    <tr>
                         <td><bean:write name="result" property="name"/></td>
                         <td><bean:write name="result" property="ssNum"/></td>
                    </tr>
                    </logic:iterate>
               </table>
          </logic:greaterThan>
</logic:present>
</body>
</html>
web.xml :-
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<display-name>Gaurav MiniHR Portal</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.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>

<taglib>
<taglib-uri>/tags/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-nested</taglib-uri>
<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-tiles</taglib-uri>
<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
</taglib>
</web-app>
struts-config.xml :-
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
     
     <form-beans>
          <form-bean name="searchForm" type="com.jamesholmes.minihr.SearchForm" />
</form-beans>
<global-forwards>
          <forward name="search" path="/search.jsp" />
</global-forwards>

<action-mappings>
          <action path="/search"
                    type="com.jamesholmes.minih.SearchAction"
                    name="searchForm"
                    scope="request"
                    validat="true"
                    input="/search.jsp"
          </action>
</action-mappings>

<message-resources parameter="com.jamesholmes.minihr.ApplicationResources"/>
</struts-config>

Deploying struts application

Hi everybody,
I am trying to deploy a struts application in sun java application server.
But it is giving error as element taglib is incorrect in web.xml.
I have defined <taglib > in <web-apps> in web.xml.
Is it compulsary to make sun-web.xml for all web applications. I am new to using sun application server.
Thanks in advance.

Hi,
Refer this link,
http://help.sap.com/saphelp_nw04/helpdata/en/43/2eafd8d2f30d24e10000000a1553f7/plain.htm
Regards,
Sunaina Reddy T

ALBPM5.7: Using ALUI with struts application??

I have a fully functional struts application that uses PAPI to interact with ALBPM5.7. Now I want to Expose all UI screens on the portal server. This need not be portlets, rather using ALUI framework/ EDK to wrap the UI JSPs and expose them in our portal
Can I reuse my Struts Application with ALUI in some way.
Thanks.
Edited by [email protected] at 12/11/2007 9:49 PM

Ravinder,
Yes, of course you can bring your struts web application on ALUI portal as a portlet.In general, any web application running either on remote server or ALUI server can be brought up to the ALUI portal.
If your Struts application is running on the remote server ,here is the steps to view this application on ALUI Portal :
Login to your ALUI admin ( http://<hostname>:<portnumber >/portal/server.pt(like http://yh759.yashind.com:7001/portal/server.pt) with Administrator as userid(no password required by default)
Create a Remote server in ALUI where you need to have the info of your Struts application server info
Create a remote webservice for portlet
Create a portlet out of that remote webservice
Put this portlet on any page.
Alo you can find the online help on ALUI admin conosle for doing all the above steps.
Thanks
Bishnu
Regards
Bishnu

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