All about Darshan Shah

Help required for developing chat facility like gmail

hi all,
right now i able to show only online user on my email application web site.
if i write chat message for any one among online users i able to show chat message in upper text area but i need to show automatic div respective user whom i suppose to be chat message.
here i am trying same as gmail when any user ping his/her friend then automatic div is populated for respective chat user...
how i develop code please guide me for that...it is very urgent requirement in my live project.....
Thanks in advance

Regards
Darshan

15 years ago

General Computing

Help required for developing chat facility like gmail

Hi All,
i assign work for developing chat facility like gmail Web site.
i am very new about email application.before this i never work this kind of application.
one of my company product also email application like gmail , i want add same chat facility like gmail using java,jsp and ajax...
please guide me how to follow the step for developing same application for that...
its very urgent for me....
any one know any idea about help me.....
thanks in advance

Thanks & Regard
Darshan

15 years ago

General Computing

Null Pointer Exception in getHibernateTemplate() in save() method

Hi all,
i got Null Pointer Exception in getHibernateTemplate() in save method() in hibernate class.
i unable to find out this exception...i tried to debugg several times but still i did not any solution.
please guide me..
it is very urgent for me......

thanks in advance...

15 years ago

Object Relational Mapping

Data not inserted in table

Hi all,

When i tried to persists my POJO, i am not able to do that in the database. And i am not getting any error also in log file.

when i submit details in jsp file but dat not inserted in databse. here i am use sql server 2000.

according to my understaning we hav to manuualy create table in database when i use hiberante and all columns of that table i mapped in pojo files of respective properties...
if anyone one know please guide me.. its very urgent for me..

thanks in advance..

15 years ago

Other Application Frameworks

unable to insert data in table through pojo file

when i put value in jsp and control go to the Controller class in controller i got all value but in pojo class i found null value and nothing to be saved in table.. in that what should i do???
even i got no any error or any Exception..
is any other necessary to mention new table name or new pojo class

OHBillFormController.java

/**
* @(#)BillFormController.java
*
*/
package com.cybermanagers.legal.webapp.action;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import com.cybermanagers.legal.Constants;
import com.cybermanagers.legal.model.AddCase;
import com.cybermanagers.legal.model.Advocate;
import com.cybermanagers.legal.model.Bill;
import com.cybermanagers.legal.model.OHBill;
import com.cybermanagers.legal.service.AddCaseManager;
import com.cybermanagers.legal.service.AdvocateManager;
import com.cybermanagers.legal.service.BillManager;
import com.cybermanagers.legal.service.OHBillManager;
/**
*
* this class is to perform all inserts,updates or deletes
* for bills and to get the data populated from master tables
*
*
*
* @author DARSHAN SHAH
*/
import org.springframework.web.servlet.mvc.Controller;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.IOException;
public class OHBillFormController extends BaseFormController {
private OHBillManager ohBillManager = null;
private BillManager billManager = null;
private AddCaseManager addCaseManager = null;
private AdvocateManager advocateManager = null;
public void setBillManager(BillManager billManager) {
this.billManager = billManager;
}
/**
* This is used by Spring to bind the AddCaseManager to this class
*/
public void setAddCaseManager(AddCaseManager addCaseManager) {
this.addCaseManager = addCaseManager;
}
/**
* This is used by Spring to bind the AdvocateManager to this class
*/
public void setAdvocateManager(AdvocateManager advocateManager) {
this.advocateManager = advocateManager;
}
/**
* Default constructor which creates an empty Bill object.
*/
public OHBillFormController() {
System.out.println("Default Constructor called...");
setCommandName("ohbill");
System.out.println("setCommandName........ in OHbillFormController..");
setCommandClass(OHBill.class);
System.out.println("setCommandClass........in OHbillFormController...");
}
/**
*to set the date format as dd/MM/yyyy using SimpleDateFormat class
*/
protected void initBinder(
HttpServletRequest request,
ServletRequestDataBinder binder)
{
binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("dd/MM/yyyy"),true));
}
/**
* The formBackingObject() method is used to supply the object this Controller operates on
*/
protected Object formBackingObject(HttpServletRequest request)
throws Exception {
String billId = request.getParameter("billId");
OHBill ohbill = null;
if (!StringUtils.isEmpty(billId)) {
//Long billId_long = new Long(billId);
ohbill = ohBillManager.getBill(billId);
System.out.println("bill>>>>>"+ohbill);
} else {
ohbill = new OHBill();
System.out.println("Entering Bill Details.............");
}
return ohbill;
}
/**
*onSubmit() is called on POST requests and handles delete/add/update of a
*user for case it returns the view as jsp
*/
public ModelAndView onSubmit(HttpServletRequest request,
HttpServletResponse response, Object command,
BindException errors)
throws Exception {
if (log.isDebugEnabled()) {
System.out.println("log debugEnable.....");
log.debug("entering 'onSubmit' method......");
}
OHBill ohbill = (OHBill) command;
boolean isNew = (ohbill.getBillId() == null);
System.out.println("isNew.........BillController"+isNew);
Locale locale = request.getLocale();
if (request.getParameter("delete") != null) {
billManager.removeBill(ohbill.getBillId().toString());
saveMessage(request, getText("ohbill.deleted", locale));
} else {
try{
System.out.println("before save Bill"+ohbill);
ohBillManager.saveBill(ohbill);
System.out.println("after save Bill"+ohbill);
}catch(Exception e){
e.printStackTrace();
}
String key = (isNew) ? "ohbill.added" : "ohbill.updated";
System.out.println("Key........"+key);
System.out.println("Bill no in controller......."+ohbill.getBillNo());
System.out.println("Bill date in controller......."+ohbill.getBillDate());
//System.out.println("travel date in controller......."+ohbill.getTravelDate());
saveMessage(request, getText(key, locale));
if (!isNew) {
System.out.println("return modelandview.....");
return new ModelAndView("redirect:travelBill.html", "billId", ohbill.getBillId());
}
}
System.out.println("retrun successView()....");
return new ModelAndView(getSuccessView());
}
/**
*returns a Map of All Lists which will be used in the jsps to populate the data in dropdown
*/
protected Map referenceData(HttpServletRequest request) throws Exception {
Map model = new HashMap();
model.put(Constants.ADDCASE_LIST, addCaseManager.getAddCases(new AddCase()));
model.put(Constants.ADVOCATE_LIST, advocateManager.getAdvocates(new Advocate()));
return model;
}
}

OHBill.java

package com.cybermanagers.legal.model;
import java.util.Date;
/**
* This class is used to generate Spring Validation rules
* as well as the Hibernate mapping file.
*
* <a href="OHBillDetails.java.html">View Source</a>
*
*
* @hibernate.class table="HL_OH_BILL_DETAILS"
*/
public class OHBillbackup {
protected Long billId;
protected String billNo;
protected Date billDate;
protected String username;
protected Date travelDate;
protected String destination;
protected float amount;
protected String description;
protected String remarks;
protected String suppliername;
private Advocate advocate;
private String advocatename;
private String ehid;
protected String employeecode;
/**
* @hibernate.id column="OH_BILL_ID" generator-class="native" unsaved-value="null"
*/
public Long getBillId() {
return billId;
}
public void setBillId(Long billId) {
this.billId = billId;
}
/**
* @hibernate.property column="OH_BILL_NO"
*/
public String getBillNo() {
return billNo;
}
/**
* @spring.validator type="required"
* */
public void setBillNo(String billNo) {
this.billNo = billNo;
System.out.println("Bill No in Bill.java....."+this.billNo);
}
/**
* @hibernate.property column="OH_BILL_DATE"
*/
public Date getBillDate() {
System.out.println("getter Billdate..."+this.billDate);
return billDate;
}
/**
* @spring.validator type="required"
*/
public void setBillDate(Date billDate) {
System.out.println("setter BillDate..."+this.billDate);
this.billDate = billDate;
}
/**
* @return the advocate
*/
protected Advocate getAdvocate() {
return advocate;
}
/**
* @param advocate the advocate to set
*/
protected void setAdvocate(Advocate advocate) {
this.advocate = advocate;
}
/**
* @hibernate.property column="ADVOCATE_NAME"
*/
protected String getAdvocatename() {
return advocatename;
}
/**
*
*/
protected void setAdvocatename(String advocatename) {
this.advocatename = advocatename;
}
/**
* @hibernate.property column="AMOUNT"
*/
protected float getAmount() {
System.out.println("getter Amount..."+this.amount);
return amount;
}
/**
* @spring.validator type="required"
*/
protected void setAmount(float amount) {
this.amount = amount;
System.out.println("Setter Amount..."+this.amount);
}
/**
* @hibernate.property column="DESCRIPTION"
*/
protected String getDescription() {
System.out.println("getter Description..."+this.description);
return description;
}
/**
*
*/
protected void setDescription(String description) {
this.description = description;
System.out.println("setter Description..."+this.description);
}
/**
* @hibernate.property column="DESTINATION"
*/
public String getDestination() {
System.out.println("getter destination..."+this.destination);
return destination;
}
/**
* @spring.validator type="required"
* */
public void setDestination(String destination) {
this.destination = destination;
System.out.println("setter destination..."+this.destination);
//System.out.println("Bill No in Bill.java....."+this.billNo);
}
/**
* @hibernate.property column="OH_EH_ID"
*/
protected String getEhid() {
System.out.println("getter EHID..."+this.ehid);
return ehid;
}
/**
* @spring.validator type="required"
*/
protected void setEhid(String ehid) {
this.ehid = ehid;
System.out.println("setter EHID..."+this.ehid);
}
/**
* @hibernate.property column="EMPLOYEE_CODE"
*/
protected String getEmployeecode() {
System.out.println("getter Billdate..."+this.employeecode);
return employeecode;
}
/**
* @spring.validator type="required"
*/
protected void setEmployeecode(String employeecode) {
this.employeecode = employeecode;
System.out.println("setter employeecode..."+this.employeecode);
}
/**
* @hibernate.property column="REMARKS"
*/
public String getRemarks() {
System.out.println("getter remarks..."+this.remarks);
return remarks;
}
/**
* @spring.validator type="required"
* */
public void setRemarks(String remarks) {
this.remarks = remarks;
System.out.println("setter remarks..."+this.remarks);
//System.out.println("Bill No in Bill.java....."+this.billNo);
}
/**
* hibernate.property column="SUPPLIER_NAME"
*/
protected String getSuppliername() {
System.out.println("getter SupplierName..."+this.suppliername);
return suppliername;
}
protected void setSuppliername(String suppliername) {
this.suppliername = suppliername;
System.out.println("Setter SupplierName..."+this.suppliername);
}
/**
* @hibernate.property column="OH_TREVEL_DATE"
*/
public Date getTravelDate() {
System.out.println("getter travelDate..."+this.travelDate);
return travelDate;
}
/**
* @spring.validator type="required"
*/
public void setTravelDate(Date travelDate) {
this.travelDate = travelDate;
System.out.println("setter travelDate..."+this.travelDate);
}
/**
* @hibernate.property column="USER_NAME"
*/
protected String getUsername() {
System.out.println("getter username..."+this.username);
return username;
}
/**
* @spring.validator type="required"
*/
protected void setUsername(String username) {
this.username = username;
System.out.println("Setter username..."+this.username);
}
}

please reply me ..its very urgent for me..

15 years ago

Other Application Frameworks

does not support command class

Hi all,
right now i able to display jsp page...but right now i got one error

org.springframework.beans.NotReadablePropertyException: Invalid property 'description' of bean class [com.cybermanagers.legal.model.OHBill]: Bean property 'description' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?

OHBill.java

package com.cybermanagers.legal.model;
import java.util.Date;
/**
* This class is used to generate Spring Validation rules
* as well as the Hibernate mapping file.
*
* <a href="OHBillDetails.java.html">View Source</a>
*
*
* @hibernate.class table="HL_OH_BILL_DETAILS"
*/
public class OHBill {
protected Long billId;
protected String billNo;
protected Date billDate;
protected String username;
protected Date travelDate;
protected String destination;
protected float amount;
protected String description;
protected String remarks;
protected String suppliername;
private Advocate advocate;
private String advocatename;
private String ehid;
protected String employeecode;
/**
* @hibernate.id column="OH_BILL_ID" generator-class="native" unsaved-value="null"
*/
public Long getBillId() {
return billId;
}
public void setBillId(Long billId) {
this.billId = billId;
}
/**
* @hibernate.property column="OH_BILL_NO"
*/
public String getBillNo() {
return billNo;
}
/**
* @spring.validator type="required"
* */
public void setBillNo(String billNo) {
this.billNo = billNo;
//System.out.println("Bill No in Bill.java....."+this.billNo);
}
/**
* @hibernate.property column="OH_BILL_DATE"
*/
public Date getBillDate() {
System.out.println("getter Billdate...");
return billDate;
}
/**
* @spring.validator type="required"
*/
public void setBillDate(Date billDate) {
System.out.println("setter BillDate...");
this.billDate = billDate;
}
/**
* @return the advocate
*/
protected Advocate getAdvocate() {
return advocate;
}
/**
* @param advocate the advocate to set
*/
protected void setAdvocate(Advocate advocate) {
this.advocate = advocate;
}
/**
* @hibernate.property column="ADVOCATE_NAME"
*/
protected String getAdvocatename() {
return advocatename;
}
/**
*
*/
protected void setAdvocatename(String advocatename) {
this.advocatename = advocatename;
}
/**
* @hibernate.property column="AMOUNT"
*/
protected float getAmount() {
System.out.println("getter Amount...");
return amount;
}
/**
* @spring.validator type="required"
*/
protected void setAmount(float amount) {
this.amount = amount;
System.out.println("Setter Amount...");
}
/**
* @hibernate.property column="DESCRIPTION"
*/
protected String getDescription() {
System.out.println("getter Description...");
return description;
}
/**
*
*/
protected void setDescription(String description) {
this.description = description;
System.out.println("setter Description...");
}
/**
* @hibernate.property column="DESTINATION"
*/
public String getDestination() {
System.out.println("getter destination...");
return destination;
}
/**
* @spring.validator type="required"
* */
public void setDestination(String destination) {
this.destination = destination;
System.out.println("setter destination...");
//System.out.println("Bill No in Bill.java....."+this.billNo);
}
/**
* @hibernate.property column="OH_EH_ID"
*/
protected String getEhid() {
System.out.println("getter EHID...");
return ehid;
}
/**
* @spring.validator type="required"
*/
protected void setEhid(String ehid) {
this.ehid = ehid;
System.out.println("setter EHID...");
}
/**
* @hibernate.property column="EMPLOYEE_CODE"
*/
protected String getEmployeecode() {
System.out.println("getter Billdate...");
return employeecode;
}
/**
* @spring.validator type="required"
*/
protected void setEmployeecode(String employeecode) {
this.employeecode = employeecode;
System.out.println("setter employeecode...");
}
/**
* @hibernate.property column="REMARKS"
*/
protected String getRemarks() {
System.out.println("getter remarks...");
return remarks;
}
protected void setRemarks(String remarks) {
this.remarks = remarks;
System.out.println("Setter Remarks...");
}
/**
* hibernate.property column="SUPPLIER_NAME"
*/
protected String getSuppliername() {
System.out.println("getter SupplierName...");
return suppliername;
}
protected void setSuppliername(String suppliername) {
this.suppliername = suppliername;
System.out.println("Setter SupplierName...");
}
/**
* @hibernate.property column="OH_TREVEL_DATE"
*/
protected Date getTravelDate() {
System.out.println("getter TravelDate...");
return travelDate;
}
protected void setTravelDate(Date travelDate) {
this.travelDate = travelDate;
System.out.println("Setter TravelDate...");
}
/**
* @hibernate.property column="USER_NAME"
*/
protected String getUsername() {
System.out.println("getter username...");
return username;
}
/**
* @spring.validator type="required"
*/
protected void setUsername(String username) {
this.username = username;
System.out.println("Setter username...");
}
}

15 years ago

Other Application Frameworks

does not support command class

Hi Nathan,
according to you instruction i update changes till i m stucking with same problem. actually whatever way i following is it right or wrong i am confusing about that.

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'OhbillFormController' defined in ServletContext resource [/WEB-INF/action-servlet.xml]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: Validator [org.springmodules.commons.validator.DefaultBeanValidator@abaf8c] does not support command class [com.cybermanagers.legal.model.OHBill]
java.lang.IllegalArgumentException: Validator [org.springmodules.commons.validator.DefaultBeanValidator@abaf8c] does not support command class [com.cybermanagers.legal.model.OHBill]

Thanks for your reply.

15 years ago

Other Application Frameworks

spring

Hi all,
i m stucking with this problem...

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'OhbillFormController' defined in ServletContext resource [/WEB-INF/action-servlet.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'validator' of bean class [com.cybermanagers.legal.webapp.action.OHBillFormController]: Bean property 'validator' is not writable or has an invalid setter method: Does the parameter type of the setter match the return type of the getter?
org.springframework.beans.NotWritablePropertyException: Invalid property 'validator' of bean class [com.cybermanagers.legal.webapp.action.OHBillFormController]: Bean property 'validator' is not writable or has an invalid setter method: Does the parameter type of the setter match the return type of the getter?

please revert back me if any one know how to resolve this error...
thanks in advance

15 years ago

Other Application Frameworks

does not support command class

even i am go through the link whatever mentioned their , i check according to my war file also ...is it right..
but still i m confusing wht should i do???

15 years ago

Other Application Frameworks

does not support command class

Hi Mark,
first of all sorry for late reply.from last last i m not touch with this topic tht y unable to reply you. what ever you send me link i go through but i did get any thin from that.

i hope you undersatnd my problem.
please tell me solution for that and one more thin can you guide me exact proper way for spring web application development.

thanks.

15 years ago

Other Application Frameworks

does not support command class

Thanks Mark for giving reply me...
here i sending whtver code are suppose to be added in several fils

1) following are bean add in action-servlet.xml

2)OHBillFormController.java added in action

package com.cybermanagers.legal.webapp.action;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import com.cybermanagers.legal.Constants;
import com.cybermanagers.legal.model.AddCase;
import com.cybermanagers.legal.model.Advocate;
import com.cybermanagers.legal.model.OHBill;
import com.cybermanagers.legal.service.AddCaseManager;
import com.cybermanagers.legal.service.AdvocateManager;
import com.cybermanagers.legal.service.BillManager;
import com.cybermanagers.legal.service.OHBillManager;
/**
*
* this class is to perform all inserts,updates or deletes
* for bills and to get the data populated from master tables
*
*
*
* @author Deepmala Pathak
*/
public class OHBillFormController extends BaseFormController {
private BillManager billManager = null;
private OHBillManager ohbillManager = null;
private AddCaseManager addCaseManager = null;
private AdvocateManager advocateManager = null;
public void setBillManager(BillManager billManager) {
this.billManager = billManager;
}
/**
* This is used by Spring to bind the AddCaseManager to this class
*/
public void setAddCaseManager(AddCaseManager addCaseManager) {
this.addCaseManager = addCaseManager;
}
/**
* This is used by Spring to bind the AdvocateManager to this class
*/
public void setAdvocateManager(AdvocateManager advocateManager) {
this.advocateManager = advocateManager;
}
/**
* Default constructor which creates an empty Bill object.
*/
public OHBillFormController_21oct() {
setCommandName("ohbill");
setCommandClass(OHBill.class);
System.out.println("default constructor call in OhbillFormController...");
}
/**
*to set the date format as dd/MM/yyyy using SimpleDateFormat class
*/
protected void initBinder(
HttpServletRequest request,
ServletRequestDataBinder binder)
{
binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("dd/MM/yyyy"),true));
}
/**
* The formBackingObject() method is used to supply the object this Controller operates on
*/
protected Object formBackingObject(HttpServletRequest request)
throws Exception {
String billId = request.getParameter("billId");
OHBill bill = null;
if (!StringUtils.isEmpty(billId)) {
//Long billId_long = new Long(billId);
bill = ohbillManager.getBill(billId);
System.out.println("bill>>>>>"+bill);
} else {
bill = new OHBill();
System.out.println("Entering Bill Details.............");
}
return bill;
}
public ModelAndView onSubmit(HttpServletRequest request,
HttpServletResponse response, Object command,
BindException errors)
throws Exception {
if (log.isDebugEnabled()) {
System.out.println("log debugEnable.....");
log.debug("entering 'onSubmit' method......");
}
OHBill bill = (OHBill) command;
boolean isNew = (bill.getBillId() == null);
System.out.println("isNew.........BillController"+isNew);
Locale locale = request.getLocale();
if (request.getParameter("delete") != null) {
billManager.removeBill(bill.getBillId().toString());
saveMessage(request, getText("bill.deleted", locale));
} else {
ohbillManager.saveBill(bill);
String key = (isNew) ? "bill.added" : "bill.updated";
System.out.println("Key........"+key);
saveMessage(request, getText(key, locale));
if (!isNew) {
System.out.println("return modelandview.....");
return new ModelAndView("redirect:travelTicket.html?billId=" + bill.getBillId());
//redirect :-P ersonform.html?id=" + person.getId();
}
}
System.out.println("retrun successView()....");
return new ModelAndView(getSuccessView());
}
/**
*returns a Map of All Lists which will be used in the jsps to populate the data in dropdown
*/
protected Map referenceData(HttpServletRequest request) throws Exception {
Map model = new HashMap();
model.put(Constants.ADDCASE_LIST, addCaseManager.getAddCases(new AddCase()));
model.put(Constants.ADVOCATE_LIST, advocateManager.getAdvocates(new Advocate()));
return model;
}
}

3)Following is pojo file OHBill.java wrote in model .

4) OHBillDdao.java

5) OHBillManager.java

i wrote this all classes in my existing project.
i want to store new data in new table tht y i wrote new pojo file which i give to you. this class are set to as setcommand class in controller then i got exception when i run application on tomcat.

Does not support command class...

i am very new abt spring and hibernate...
if you have to something figure out form this then Guide me...i am very stucking ....ignore my english grammer mistake

Once again thanks for Reply

15 years ago

Other Application Frameworks

does not support command class

Hi all,
i am darshan.
i am very new abt spring and hibernate.
i am stucking some errors form last week.
below error i got . i tried to debugg several times but still i unable to find out exact solution for this problem.

default constructor call in OhbillFormController...
[HllLegal1] ERROR [http-8080-Processor5] DispatcherServlet.initServletBean(228)
| Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean wit
h name 'OhbillFormController' defined in ServletContext resource [/WEB-INF/actio
n-servlet.xml]: Initialization of bean failed; nested exception is java.lang.Ill
egalArgumentException: Validator [org.springmodules.commons.validator.DefaultBea
nValidator@1890c67] does not support command class [com.cybermanagers.legal.mode
l.OHBill]
java.lang.IllegalArgumentException: Validator [org.springmodules.commons.validat
or.DefaultBeanValidator@1890c67] does not support command class [com.cybermanage
rs.legal.model.OHBill]

if any one know please guide me ..
i really appericiate for your reply.

15 years ago

Other Application Frameworks

Darshan Shah

Recent posts by Darshan Shah