No Hibernate Session bound to thread, and configuration does not allow creation of non-transactional one here

SeesionFactory를 사용할때 session이 없는 경우 발생한다.

web.xml 에 아래의 필터를 추가하여 세션을 생성.

<filter>

<filter-name>openSessionInViewFilter</filter-name>

<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>

<init-param>

<param-name>singleSession</param-name>

<param-value>true</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>openSessionInViewFilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>