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Thread: No Session found for current Thread (Hibernate 4/Spring3)

  1. #1
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    Default No Session found for current Thread (Hibernate 4/Spring3)

    well hello there
    I think it's been a week since i first got to this error while setting up my first WebApp working with Database, since then it's been lot of time rewriting the code in billion ways , trying everything i could find on internet but still nothing ...

    This is the stack trace
    SEVERE: Servlet.service() for servlet [spring] in context with path [/WebAppDB] threw exception [Request processing failed; nested exception is org.hibernate.HibernateException: No Session found for current thread] with root cause
    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:941)
    	at webapp.dao.DAOUser.getUser(DAOUser.java:21)
    	at webapp.service.ServiceUser.getUser(ServiceUser.java:17)
    	at webapp.controller.MainController.showCar(MainController.java:27)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    	at java.lang.reflect.Method.invoke(Unknown Source)
    	at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)
    	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395)
    	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:250)
    	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
    	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    	at java.lang.Thread.run(Unknown Source)

    and following are my source and configuration files (for now i'll show you only those i expect to contain the error i cannot find, ask for more if you think the error might be there)

    web.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
     
        <display-name>WebAppDB</display-name>
     
        <listener>
       	  	<listener-class>
     	  	org.springframework.web.context.ContextLoaderListener
     	  	</listener-class>
        </listener>
     
        <servlet>
            <servlet-name>spring</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>      
        </servlet>
     
        <servlet-mapping>
            <servlet-name>spring</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
    </web-app>

    applicationContext.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
    	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
    	xmlns:tx="http://www.springframework.org/schema/tx"
    	xsi:schemaLocation="http://www.springframework.org/schema/beans 
           					   [url]http://www.springframework.org/schema/beans/spring-beans-3.2.xsd[/url] 
           					   [url=http://www.springframework.org/schema/mvc]Index of /schema/mvc[/url] 
           					   [url]http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd[/url] 
           					   [url=http://www.springframework.org/schema/context]Index of /schema/context[/url] 
           					   [url]http://www.springframework.org/schema/context/spring-context-3.2.xsd[/url]
           					   [url=http://www.springframework.org/schema/tx]Index of /schema/tx[/url]
           					   http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">
     
    	<context:component-scan base-package="webapp.service, webapp.dao" />
     
    	<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
    		destroy-method="close">
    		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
    		<property name="url" value="jdbc:mysql://localhost/" />
    		<property name="username" value="root" />
    		<property name="password" value="root" />
    	</bean>
     
    	<bean id="mySessionFactory"
    		class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
    		<property name="dataSource" ref="myDataSource" />
    		<property name="configLocation">
    			<value>classpath:hibernate.cfg.xml</value>
    		</property>
    		<property name="hibernateProperties">
    			<value>
    				org.hibernate.dialect.MySQLDialect
    			</value>
    		</property>
    	</bean>
     
    	<bean id="transactionManager"
    		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    		<property name="dataSource">
    			<ref local="myDataSource" />
    		</property>
    	</bean>
     
    	<tx:annotation-driven transaction-manager="transactionManager"
    		proxy-target-class="true" />
     
    </beans>

    DAOUser.java
    package webapp.dao;
     
    import org.hibernate.SessionFactory;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Repository;
     
    import webapp.entity.User;
     
    @Repository
    public class DAOUser {
     
    	@Autowired
    	private SessionFactory factory;
     
    	public User getUser() {
     
    		return (User) factory.getCurrentSession().createQuery("FROM User").list().get(0);
    	}
    }

    serviceUser.java
    package webapp.service;
     
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    import org.springframework.transaction.annotation.Transactional;
     
    import webapp.entity.*;
    import webapp.dao.*;
     
    @Service
    public class ServiceUser {
     
    	@Autowired
    	private DAOUser daoUser;
     
    	@Transactional	
    	public User getUser() {
     
    	return daoUser.getUser();	
    	}
    }

    note that the error shows up even if i change my login data i.e. if i try to set datasource with nonexistent username or wrong password for root etc. I thought the error was somewhere there but with the same hibernate configuration which are shown in appContext.xml i can access the database from different (not web app) project


  2. #2
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    Default Re: No Session found for current Thread (Hibernate 4/Spring3)

    Again, you might want to link to the crossposts of this thread. People aren't going to bother answering questions that might already have answers elsewhere.
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