Anteriormente tuve una publicación sobre este problema que se resolvió. Sin embargo, desde la reconstrucción del proyecto con beans autoalambrados y menos configuración XML, encuentro que estoy volviendo a visitar este tema. He seguido la forma en que mi proyecto anterior implementó esto, pero no funciona. ¿Alguien puede ayudarme con por qué o qué debería cambiar para que funcione?Spring @Transactional no funciona
Estoy a propósito utilizando un nombre de tabla inexistente en el método de insertar detalles de usuario para lanzar deliberadamente una excepción. Sin embargo, las instrucciones para insertar usuario e insertar roles de usuario no se revierten. Por favor ayuda.
Mi diseño actual para el registro es así.
Parte de servlet.xml:
<context:component-scan base-package="com.doyleisgod.golfer.controllers"/>
<context:component-scan base-package="com.doyleisgod.golfer.dao"/>
<context:component-scan base-package="com.doyleisgod.golfer.services"/>
<context:component-scan base-package="com.doyleisgod.golfer.validators"/>
Parte de contexto de aplicación:
<context:annotation-config />
<tx:annotation-driven />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
Registro controlador:
package com.doyleisgod.golfer.controllers;
import javax.validation.Valid;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.doyleisgod.golfer.formdata.RegistrationForm;
import com.doyleisgod.golfer.services.IRegistrationService;
import com.doyleisgod.golfer.validators.RegistrationFormValidator;
/**
* Description: Registration controller provides and processes the registration form.
* @author Chris Doyle
*/
@Controller
@RequestMapping("/registration.htm")
public class RegistrationController {
protected final Log logger = LogFactory.getLog(getClass());
@Autowired private IRegistrationService iRegistrationService;
@Autowired private RegistrationFormValidator registrationFormValidator;
// sets a customer validator for the registration form
@InitBinder
protected void initBinder(WebDataBinder binder) {
binder.setValidator(registrationFormValidator);
}
// Description: Method called by a get request to the registration controller. Returns the
@RequestMapping(method=RequestMethod.GET)
public String registration (Model model){
model.addAttribute(new RegistrationForm());
return "registration";
}
// Description: Method called by a post request to the registration controller. Method calls validation on the registration form using custom validator and returning
// any errors back to the user.
@RequestMapping(method=RequestMethod.POST)
public String processRegistration (@Valid RegistrationForm registrationForm, BindingResult bindingResult, Model model){
logger.info("Received the following registration form details");
logger.info(registrationForm.toString());
if (bindingResult.hasErrors()) {
logger.warn("Registration Validation Failed");
model.addAttribute("validationError", "Please correct the fields marked with errors");
return "registration";
}
try {
iRegistrationService.registerUser(registrationForm);
} catch (Exception e) {
logger.error("An Exception has occured processing the registration form");
model.addAttribute("exceptionError", "An exception has occured, please try again.");
e.printStackTrace();
return "registration";
}
return "redirect:login.htm?registration=sucessful";
}
}
Registro servicio:
package com.doyleisgod.golfer.services;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.encoding.ShaPasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.TransactionSynchronizationManager;
import com.doyleisgod.golfer.dao.IRegistrationDAO;
import com.doyleisgod.golfer.formdata.RegistrationForm;
@Service("IRegistrationService")
public class RegistrationService implements IRegistrationService {
@Autowired private IRegistrationDAO iRegistrationDAO;
private final boolean enabled = true;
private final String roles = "ROLE_USER";
@Override
@Transactional (rollbackFor = Exception.class)
public void registerUser(RegistrationForm registrationForm) throws Exception {
System.out.println("inside the registerUser method. is wrapped in transaction: "+TransactionSynchronizationManager.isActualTransactionActive());
String username = registrationForm.getUsername();
String password = registrationForm.getPassword();
String firstname = registrationForm.getFirstname();
String lastname = registrationForm.getLastname();
String email = registrationForm.getEmail();
int handicap = Integer.parseInt(registrationForm.getHandicap());
String encryptedPassword = ((new ShaPasswordEncoder()).encodePassword(password, username));
iRegistrationDAO.insertUser(username, encryptedPassword, enabled);
iRegistrationDAO.insertRoles(username, roles);
iRegistrationDAO.insertUserDetails(username, firstname, lastname, email, handicap);
}
@Override
public boolean checkUser(String username) {
return iRegistrationDAO.checkUserName(username);
}
}
Registro DAO:
package com.doyleisgod.golfer.dao;
import javax.annotation.Resource;
import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.support.TransactionSynchronizationManager;
@Repository("iRegistrationDAO")
public class RegistrationDAO extends JdbcTemplate implements IRegistrationDAO {
@Resource private BasicDataSource dataSource;
@Override
public boolean checkUserName(String username) {
int db_user = queryForInt("select count(username) from users where username = ?", username);
if (db_user == 1){
return true;
}
return false;
}
@Override
public void insertUser(String username, String password, boolean enabled) throws Exception {
System.out.println("inside the insertuser method. is wrapped in transaction: "+TransactionSynchronizationManager.isActualTransactionActive());
update("insert into users (username, password, enabled) VALUES (?,?,?)", username, password, enabled);
}
@Override
public void insertRoles(String username, String roles) throws Exception {
update("insert into user_roles (username, authority) VALUES (?,?)", username, roles);
}
@Override
public void insertUserDetails(String username, String firstname, String lastname, String email, int handicap) throws Exception {
update("insert into user_detailss (username, first_name, last_name, email_address, handicap)" +
"VALUES (?,?,?,?,?)", username, firstname, lastname, email, handicap);
}
public void setDataSource(BasicDataSource dataSource) {
this.dataSource = dataSource;
}
public BasicDataSource getDataSource() {
return dataSource;
}
}
El problema parecía ser con tener las exploraciones de componentes para los componentes distintos de controladores en el xml servlet. Moví '' context: component-scan base-package = "com.doyleisgod.golfer.dao "/> 'En el contexto xml de la aplicación que parecía resolver el problema. No estoy seguro de por qué si alguien quiere proporcionar la razón detrás de por qué este trabajo se pudo publicar. –