Exception in thread "main" org.hibernate.HibernateException: persist is not valid without active transaction

Problem:  The problem in Configuration file.

<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">       
        <property name="dataSource" ref="dataSource"></property>       
        <!-- Configuring the  Hibernate properties -->
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>               
                <prop key="hibernate.current_session_context_class">${hibernate.current_session_context_class}</prop>
            </props>       
        </property>
        <property name="annotatedClasses">
            <list>
                <value>com.ranga.Employee</value>
            </list>
        </property>       
    </bean>

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hibernate.current_session_context_class is required only for JTA transactions.

Solution: Remove the hibernate.current_session_context_class property in sessionFactory. Now the code looks like

<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">       
        <property name="dataSource" ref="dataSource"></property>       
        <!-- Configuring the  Hibernate properties -->
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>               
            </props>       
        </property>
        <property name="annotatedClasses">
            <list>
                <value>com.ranga.Employee</value>
            </list>
        </property>       
    </bean>

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java.lang.NoClassDefFoundError: org/aopalliance/intercept/MethodInterceptor

Problem:

While doing transactions management with the annotations, prior to Spring 3.0 we are adding aopalliance.jar file. In latest Spring bundle this jar file not available. If we add below line applicationContext.xml we need to add the aopalliance.jar file other wise it will throws the java.lang.NoClassDefFoundError: org/aopalliance/intercept/MethodInterceptor

<tx:annotation-driven transaction-manager="hibernateTransactionManager"/>

Solution: Add the aopalliance.jar file to classpath or pom.xml file.

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