handling transient entity in delete processing

[_exp_]

I have exception in my "delete" method but similar "add" method working correct.
Please help me with my problem))

26.03.2012 21:33:41 org.hibernate.event.internal.DefaultDeleteEventListener deleteTransientEntity
INFO: HHH000114: Handling transient entity in delete processing

	public void delBlockedProcess(String ip, String nameBlockProcess) throws SQLException{
		Session session = null;	
		
		try{
			BlockedProcess exemBlock = new BlockedProcess();
			exemBlock.setClientIP_id(ip);
			exemBlock.setBlockedName(nameBlockProcess);
			session = factory.openSession();
			session.beginTransaction();
			session.delete(exemBlock);
			session.getTransaction().commit();
		}catch(Exception ex){
			System.out.println("Error in delBlockedNameByIP  " + ex.getMessage());
		}finally{
			if(session != null && session.isOpen()){
				
				session.close();
			}
			
		}
		
	}

<bean id="propertyConfigurer"  class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

    <property name="location" value="/WEB-INF/jdbc.properties" />

</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">

    <property name="driverClassName" value="${jdbc.driverClassName}" />

    <property name="url" value="${jdbc.databaseurl}" />

    <property name="username" value="${jdbc.username}" />

    <property name="password" value="${jdbc.password}" />

</bean>
<bean id="mySessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
                  
                  <property name="mappingResources">
                        <list>                            
                            <value>springapp/hibernate_logic/ClientIP.hbm.xml</value> 
    						<value>springapp/hibernate_logic/StartProcess.hbm.xml</value> 
    						<value>springapp/hibernate_logic/BlockedProcess.hbm.xml</value>                  
                        </list>
                    </property>
                   <property name="hibernateProperties">
                   <props>                    
                    <prop key="hibernate.dialect">${jdbc.dialect}</prop>
                    <prop key="hibernate.show_sql">true</prop>
                   </props>
                   </property>
                    <property name="dataSource">
                        <ref bean="dataSource"/>
                    </property>
                     
                </bean>