Exception: Write operations are not allowed in read-only mode (FlushMode.MANUAL)

org.springframework.dao.InvalidDataAccessApiUsageException: Write operations are not allowed in read-only mode (FlushMode.MANUAL): Turn your Session into FlushMode.COMMIT/AUTO or remove 'readOnly' marker from transaction definition.

org.springframework.orm.hibernate4.HibernateTemplate.checkWriteOperationAllowed(HibernateTemplate.java:1135)

org.springframework.orm.hibernate4.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:620)

org.springframework.orm.hibernate4.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:617)

org.springframework.orm.hibernate4.HibernateTemplate.doExecute(HibernateTemplate.java:340)

org.springframework.orm.hibernate4.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:308)

org.springframework.orm.hibernate4.HibernateTemplate.save(HibernateTemplate.java:617)

com.concretepage.dao.UserDao.saveUserDetail(UserDao.java:13)

com.concretepage.action.ResultAction.execute(ResultAction.java:24)

sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

java.lang.reflect.Method.invoke(Unknown Source)

ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:872)

ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1295)

ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)

com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethodWithDebugInfo(XWorkMethodAccessor.java:96)

com.opensymphony.xwork2.ognl.accessor.XWorkMethodAccessor.callMethod(XWorkMethodAccessor.java:88)

ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1371)

ognl.ASTMethod.getValueBody(ASTMethod.java:90)

ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)

ognl.SimpleNode.getValue(SimpleNode.java:258)

 

@Bean

public PlatformTransactionManager txManager(){

JpaTransactionManager jpaTransactionManager = new JpaTransactionManager(

getEntityManagerFactoryBean().getObject());

return jpaTransactionManager;

}

3. For XML using JPA

<bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">

    <property name="entityManagerFactory" ref="entityManagerFactoryBean" />

</bean>

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

4. 2. For JavaConfig using Hibernate

@Bean

public HibernateTransactionManager hibernateTransactionManager(){

     return new HibernateTransactionManager(sessionFactory());

}

5. For XML using Hibernate

<bean id="txManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">

        <property name="sessionFactory" ref="sessionFactory" />

</bean>

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