javax.die Persistenz.TransactionRequiredException: Keine EntityManager mit der tatsächlichen Transaktion verfügbar für aktuellen thread
Erstellt habe ich meine erste Spring MVC project mit dem Einsatz von Hibernate. Mein DAO-Schicht mit JPA EntityManager für die Interaktion mit der Datenbank.
GenericDao.java:
@Repository
public abstract class GenericDao<T> implements GeneralDao<T> {
private Class<T> className;
public GenericDao(Class<T> className) {
this.className = className;
}
@PersistenceContext
private EntityManager entityManager;
public EntityManager getEntityManager() {
return entityManager;
}
@Override
public void add(T object) {
try {
getEntityManager().persist(object);
} catch (HibernateException e) {
throw new DaoException(ErrorMessage.ADD_ENTITY_FAIL, e);
}
}
@Override
public void update(T object) {
try {
getEntityManager().merge(object);
} catch (HibernateException e) {
throw new DaoException(ErrorMessage.UPDATE_ENTITY_FAIL, e);
}
}
@Override
public void remove(T object) {
try {
getEntityManager().remove(object);
} catch (HibernateException e) {
throw new DaoException(ErrorMessage.REMOVE_ENTITY_FAIL, e);
}
}
@Override
public T getById(int id) {
try {
return getEntityManager().find(this.className, id);
} catch (HibernateException e) {
throw new DaoException(ErrorMessage.GET_BY_ID_ENTITY_FAIL, e);
}
}
public abstract List<T> getAll() throws DaoException;
}
GenericService.java
@Service
public abstract class GenericService<T> implements GeneralService<T> {
private static Logger logger = Logger.getLogger(GenericService.class);
@Autowired
private GenericDao<T> dao;
@Transactional
@Override
public void add(T object) throws ServiceException {
try {
dao.add(object);
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
}
@Transactional
@Override
public void update(T object) throws ServiceException {
try {
dao.update(object);
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
}
@Transactional
@Override
public void remove(T object) throws ServiceException {
try {
dao.remove(object);
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
}
@Transactional(readOnly = true)
@Override
public T getById(int id) throws ServiceException {
try {
return dao.getById(id);
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
}
@Transactional(readOnly = true)
@Override
public List<T> getAll() throws ServiceException {
try {
return dao.getAll();
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
}
}
UserServiceImpl.java:
@Service
public class UserServiceImpl extends GenericService<User> implements UserService {
private static Logger logger = Logger.getLogger(UserServiceImpl.class);
@Autowired
private UserDao userDao;
@Transactional
@Override
public String checkUser(String userLogin, String userPassword) throws ServiceException {
String namePage = "errorAuthorization";
List<User> userList;
try {
userList = userDao.getByLoginAndPassword(userLogin, userPassword);
} catch (DaoException e) {
logger.debug(e);
throw new ServiceException(e.getMessage());
}
if(userList.size() != 0) {
return UserRoleChecker.defineUserPage(userList.get(0));
}
return namePage;
}
@Transactional
@Override
public void addUser(String userLogin, String userPassword, String userMail) throws ServiceException {
Role role = new Role(0L, RoleType.USER);
User user = new User(0L, userLogin, userPassword, userMail, role);
add(user);
}
}
UserController.java:
@Controller
public class UserController {
private static String className = UserController.class.getName();
private static Logger logger = Logger.getLogger(UserController.class.getName());
@Autowired
private UserService userService;
@RequestMapping(value = "/check_user", method = RequestMethod.POST)
public ModelAndView authorizationUser(HttpServletRequest request, HttpServletResponse response) {
ModelAndView modelAndView = new ModelAndView();
String returnPage;
try {
returnPage = userService.checkUser(request.getParameter(RequestParameter.USER_LOGIN), request.getParameter(RequestParameter.USER_PASSWORD));
} catch (ServiceException e) {
logger.debug(e);
returnPage = ErrorHandler.returnErrorPage(e.getMessage(), className);
}
modelAndView.setViewName(returnPage);
return modelAndView;
}
@RequestMapping(value = "/add_user", method = RequestMethod.POST)
public ModelAndView registrationUser(HttpServletRequest request, HttpServletResponse response) {
ModelAndView modelAndView = new ModelAndView();
String returnPage = Page.SUCCESSFUL_REGISTRATION;
try {
userService.addUser(request.getParameter(RequestParameter.USER_LOGIN), request.getParameter(RequestParameter.USER_PASSWORD), request.getParameter(RequestParameter.USER_MAIL));
} catch (ServiceException e) {
logger.debug(e);
returnPage = ErrorHandler.returnErrorPage(e.getMessage(), className);
}
modelAndView.setViewName(returnPage);
return modelAndView;
}
}
root-context.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:c="http://www.springframework.org/schema/c"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:util="http://www.springframework.org/schema/util"
xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:annotation-config />
<context:component-scan base-package="by.netcracker.artemyev.dao" />
<context:component-scan base-package="by.netcracker.artemyev.service" />
<context:component-scan base-package="by.netcracker.artemyev.web" />
<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
<property name="url" value="jdbc:mysql://localhost:3306/airline?useSSL=false" />
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
<property name="initialSize" value="5"/>
<property name="maxTotal" value="10"/>
</bean>
<bean id="entityManager" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan" value="by.netcracker.artemyev" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="showSql" value="true" />
<property name="database" value="MYSQL" />
<property name="databasePlatform" value="org.hibernate.dialect.MySQL5Dialect" />
</bean>
</property>
<property name="jpaProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="debug">true</prop>
<prop key="connection.isolation">2</prop>
<prop key="hibernate.cglib.use_reflection_optimizer">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
<property name="jpaDialect" ref="jpaDialect" />
</bean>
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="jpaDialect" class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManager" />
<property name="dataSource" ref="dataSource" />
<property name="jpaDialect" ref="jpaDialect" />
</bean>
</beans>
Protokolle:
org.springframework.web.servlet.FrameworkServlet 2017-05-10 22:23:59,107 DEBUG - Could not complete request
javax.persistence.TransactionRequiredException: No EntityManager with actual transaction available for current thread - cannot reliably process 'persist' call
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:282)
at com.sun.proxy.$Proxy27.persist(Unknown Source)
at by.netcracker.artemyev.dao.GenericDao.add(GenericDao.java:35)
at by.netcracker.artemyev.service.GenericService.add(GenericService.java:24)
at by.netcracker.artemyev.service.impl.UserServiceImpl.addUser(UserServiceImpl.java:48)
at by.netcracker.artemyev.web.UserController.registrationUser(UserController.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:495)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:767)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1354)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Warum habe ich dieses problem und wie man es beheben?
Meine Stimme ist auf die Konfiguration.
Basierend auf Ihren stack-trace können wir sehen, dass die Transaktion Interceptor ist nicht im Ort, das ist der Grund, warum es keine aktive Transaktion. So, es ist eine Art von Fehlkonfiguration. Ich würde sagen check die
Sie können zeigen Sie der Klasse die Verlängerung GenericDao?
Basierend auf Ihren stack-trace können wir sehen, dass die Transaktion Interceptor ist nicht im Ort, das ist der Grund, warum es keine aktive Transaktion. So, es ist eine Art von Fehlkonfiguration. Ich würde sagen check die
@Transaction
annotation verwenden Sie die Feder ein oder Javax.Sie können zeigen Sie der Klasse die Verlängerung GenericDao?
InformationsquelleAutor studentST | 2017-05-10
Du musst angemeldet sein, um einen Kommentar abzugeben.
Haben Sie gezeigt
root-context.xml
in Ihrer Frage, aber in diesem Kontext-Datei nicht ViewResolver bean Konfiguration. Sie müssen servlet-Kontext-Konfigurations-Datei für Dispatcher-Servlet (z.B. dispatcher-servlet.xml) konfiguriertweb.xml
. Bitte fügen Sie folgende Konfiguration, um Ihredispatcher-servlet.xml
.Wenn Sie nicht über
xmlns:tx
definitiondispatcher-servlet.xml
wie anderexmlns:
Definitionen, fügen Sie es. Bitte stellen Sie sicher, dass Sie die richtige Konfiguration für component-scan in dispacher servlet-Kontext.Können Sie auch beziehen sich auf post @Transactional funktioniert nicht in Spring Web MVC?, wo ähnliches Problem gemeldet wurde.
InformationsquelleAutor abaghel
Ich entschloss mich, es durch hinzufügen @Transactional Anmerkung über die Steuerung/service.
InformationsquelleAutor Vikram S