Spring和hibernate:未找到当前线程的会话
我发现以下错误Spring和hibernate:未找到当前线程的会话,spring,hibernate,sessionfactory,Spring,Hibernate,Sessionfactory,我发现以下错误 org.hibernate.HibernateException: No Session found for current thread at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:97) at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(Sessi
org.hibernate.HibernateException: No Session found for current thread
at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:97)
at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:1024)
at com.fexco.shoptaxfreemobile.service.ProfileService.registerVisitor(ProfileService.java:57)
at com.fexco.shoptaxfreemobile.controller.ProfileController.registerVisitor(ProfileController.java:91)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:770)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at com.fexco.shoptaxfreemobile.jsonp.JsonpCallbackFilter.doFilter(JsonpCallbackFilter.java:33)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:300)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
服务等级
@Service
public class ProfileService {
@Resource(name = "mySessionFactory")
private SessionFactory sessionFactory;
@Autowired
private ProfileDao profileDao;
private class CountrySorter implements Comparator<Country> {
@Override
public int compare(Country country1, Country country2) {
if ( country1.getId().compareTo(new Long (3)) < 0){
return country1.getId().compareTo(country2.getId());
}
return country1.getName().compareToIgnoreCase(country2.getName());
}
}
public List<Country> getCountries() {
List<VisitorCountry> visitorCountries = profileDao.getAllCountries();
List<Country> countries = new ArrayList<Country>();
for ( VisitorCountry country : visitorCountries){
countries.add(country.getCountry());
}
Comparator<Country> comparator = new CountrySorter();
Collections.sort(countries, comparator);
return countries;
}
public RegisterResponse registerVisitor(JsonVisitor visitorDetails){
Visitor storedVisitor = (Visitor) sessionFactory.getCurrentSession().get(Visitor.class, visitorDetails.getTfscNumber(), LockMode.NONE);
if ( storedVisitor == null){
storedVisitor = new Visitor(visitorDetails);
}else{
storedVisitor.setVisitorDetails(visitorDetails);
}
try{
sessionFactory.getCurrentSession().saveOrUpdate(storedVisitor);
}catch(Exception ex){
return new RegisterResponse(false, "Failed To Register Card. Please Try Again Later.", visitorDetails);
}
return new RegisterResponse(true, "", visitorDetails);
}
}
@服务
公共类档案服务{
@资源(name=“mySessionFactory”)
私人会话工厂会话工厂;
@自动连线
私有ProfileDao ProfileDao;
私有类CountrySorter实现比较器{
@凌驾
公共整数比较(国家/地区1、国家/地区2){
if(country1.getId().compareTo(新长(3))<0){
返回country1.getId().compareTo(country2.getId());
}
返回country1.getName().compareToIgnoreCase(country2.getName());
}
}
国家/地区公共列表(){
List visitorCountries=profileDao.getAllCountries();
列表国家=新的ArrayList();
for(访问者国家/地区:访问者国家/地区){
countries.add(country.getCountry());
}
比较器比较器=新CountrySorter();
集合。排序(国家、比较国);
返回国;
}
公共注册表响应注册表服务器(JsonVisitor VISITOR详细信息){
Visitor storedVisitor=(Visitor)sessionFactory.getCurrentSession().get(Visitor.class,visitorDetails.getTfscNumber(),LockMode.NONE);
if(storedVisitor==null){
storedVisitor=新访客(访客详细信息);
}否则{
storedVisitor.setVisitorDetails(visitorDetails);
}
试一试{
sessionFactory.getCurrentSession().saveOrUpdate(storedVisitor);
}捕获(例外情况除外){
返回新的RegisterResponse(false,“注册卡失败。请稍后重试。”,visitorDetails);
}
返回新的RegisterResponse(true,“,visitorDetails);
}
}
刀类之位
@Service
@Transactional
public class ProfileDao {
@Resource(name = "mySessionFactory")
private SessionFactory sessionFactory;
public List getAllCountries(){
List<VisitorCountry> visitorCountries = sessionFactory.getCurrentSession()
.getNamedQuery("GET_ALL_COUNTRIES").list();
return visitorCountries;
}
public List<Retailer> getRetailerByRetailerNumber(String retailerNo) {
List<Retailer> retailerByRetailerNumber = sessionFactory.getCurrentSession()
.getNamedQuery("FindRetailerByRetailerNo").setString("retailerNo", retailerNo).list();
return retailerByRetailerNumber;
}
@服务
@交易的
公共类配置文件{
@资源(name=“mySessionFactory”)
私人会话工厂会话工厂;
公共列表getAllCountries(){
List visitorCountries=sessionFactory.getCurrentSession()
.getNamedQuery(“获取所有国家/地区”).list();
回访国家;
}
公共列表getRetailerByRetailerNumber(字符串retailerNo){
List retailerByRetailerNumber=sessionFactory.getCurrentSession()
.getNamedQuery(“FindRetailerByRetailerNo”).setString(“retailerNo”,retailerNo).list();
返回retailerByRetailerNumber;
}
我的application-context.xml中有这个
<tx:annotation-driven transaction-manager="transactionManager"/>
<bean id="mySessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="configLocation" value="classpath:hibernate.cfg.xml" />
<property name="hibernateProperties">
<value>
<![CDATA[
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.cache.provider_class=org.hibernate.cache.NoCacheProvider
]]>
</value>
</property>
</bean>
有人知道我为什么会出现以下错误吗?您用@Transactional注释了Dao类,但没有注释服务类。行:
Visitor storedVisitor =
(Visitor) sessionFactory.getCurrentSession().get(Visitor.class,
visitorDetails.getTfscNumber(), LockMode.NONE);
要求您参与交易
您可以通过将@Transactional注释添加到ProfileService类,或者只添加registerVisitor()方法来解决此问题。使用@Repository更改DAO的注释
@Repository
public class ProfileDao {
.
.
.
}
然后将您的服务方法@Transactional设置为如下所示
@Transactional
public List<Retailer> getRetailerByRetailerNumber(String retailerNo) {}
@Transactional
公共列表getRetailerByRetailerNumber(字符串retailerNo){}
我通过以下两个步骤解决了相同的问题
@Transactional
放置在服务方法上
jordan002在本页的回答中application context.xml
(用于特定于数据库和应用程序上下文的
配置)和webmvc context.xml
(用于特定于web/controller的
配置),然后您应该为您的应用程序扫描不同的包
控制器和dao
webmvc context.xml
在application context.xml
之后加载。
我认为DAO类首先加载事务引用
加载application-context.xml,但将其替换为
另一个对象,没有事务引用,当
已加载webmvc-context.xml
无论如何,我都可以通过扫描特定的包来解决问题:
<context:component-scan base-package="com.app.repository" />
对于webmvc context.xml
我知道这是一个有一定年龄的问题,但我遇到了这个问题,发现如果您使用的是Spring Java配置,那么解决方案有几个部分。一些配置与控制器的相对位置很重要 首先,核心配置
@Configuration
public class CoreConfiguration {
@Bean
public LocalSessionFactoryBean sessionFactory() {
LocalSessionFactoryBean factoryBean = new org.springframework.orm.hibernate4.LocalSessionFactoryBean();
String annotatedPckgs[] ={"org.tigersndragons.reports.model.warehouse"};
factoryBean.setAnnotatedPackages(annotatedPckgs);
Properties hibernateProperties = new Properties();
try {
hibernateProperties.load(this.getClass().getResourceAsStream("props/hibernate.properties"));
factoryBean.setHibernateProperties(hibernateProperties);
} catch (IOException e) { }
factoryBean.setPackagesToScan("org.telligen.reports.model.warehouse");
factoryBean.setDataSource(warehouseDataSource());//("jdbc/warehouse");
try {
factoryBean.afterPropertiesSet();
} catch (IOException e) { }
return factoryBean;
}
@Bean
public WarehouseDAO getWarehouseDAO(){
WarehouseDAO wrhsDao = new WarehouseDAO();
wrhsDao.setSessionFactory(sessionFactory().getObject());
return wrhsDao;
}
在控制器中,我必须设置
@Controller
@RequestMapping
public class ScheduleController {
private static Logger logger = LoggerFactory.getLogger(ScheduleController.class);
private WarehouseDAO wrhsDao;
@RenderMapping
@RequestMapping("VIEW")
public String viewSchedule(Map<String, Object> modelMap){...}
public void setWrhsDao(WarehouseDAO wrhsDao) {
this.wrhsDao = wrhsDao;
}
}
@控制器
@请求映射
公共类调度控制器{
私有静态记录器Logger=LoggerFactory.getLogger(ScheduleController.class);
私人仓库;
@渲染映射
@请求映射(“视图”)
公共字符串viewSchedule(映射模型映射){…}
公共无效setWrhsDao(仓库道wrhsDao){
this.wrhsDao=wrhsDao;
}
}
WarehouseDAO具有@Repository注释,并且SessionFactory未自动连接
希望这能帮助其他人解决类似的问题。我将添加一些花了我一些时间调试的内容:不要忘记@Transactional注释只适用于“public”方法 我将一些@Transactional放在“受保护”的上,得到了这个错误 希望有帮助:) 方法可见性和@Transactional 使用代理时,应应用@Transactional注释 仅适用于具有公共可见性的方法。如果对受保护的方法进行注释, 带有@Transactional注释的私有或包可见方法, 不会引发错误,但带注释的方法不会显示 配置事务设置。考虑使用AspectJ(参见 下面)如果需要注释非公共方法
我通过以下两个步骤解决了上述问题 1-在调用DAO方法的我的服务方法中添加@Transactional支持 2-以这种方式在spring-servlet.xml中导入applicationContext.xml
<import resource="applicationContext.xml" />
<mvc:annotation-driven />
<context:component-scan base-package="com.json.api.*" />
<!--Third Party Integration should be injected in xml start here -->
<bean id="integrationInterface" class="com.json.api.IntegerationInterface"></bean>
<!--Third Party Integration should be injected in xml start here -->
<mvc:interceptors>
<bean id="apiServiceInterceptor" class="com.json.api.interceptor.ApiServiceInterceptor"></bean>
</mvc:interceptors>
<!--To Enable @Value to map key with provided fields for property files -->
<context:property-placeholder />
它消除了在两个地方扫描包的需要。
@Controller
@RequestMapping
public class ScheduleController {
private static Logger logger = LoggerFactory.getLogger(ScheduleController.class);
private WarehouseDAO wrhsDao;
@RenderMapping
@RequestMapping("VIEW")
public String viewSchedule(Map<String, Object> modelMap){...}
public void setWrhsDao(WarehouseDAO wrhsDao) {
this.wrhsDao = wrhsDao;
}
}
<import resource="applicationContext.xml" />
<mvc:annotation-driven />
<context:component-scan base-package="com.json.api.*" />
<!--Third Party Integration should be injected in xml start here -->
<bean id="integrationInterface" class="com.json.api.IntegerationInterface"></bean>
<!--Third Party Integration should be injected in xml start here -->
<mvc:interceptors>
<bean id="apiServiceInterceptor" class="com.json.api.interceptor.ApiServiceInterceptor"></bean>
</mvc:interceptors>
<!--To Enable @Value to map key with provided fields for property files -->
<context:property-placeholder />