org.hibernate.LazyInitializationException: could not initialize proxy - no Session
	org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:132)
	org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:174)
	org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)
	com.sise.domain.User_$$_javassist_14.getType(User_$$_javassist_14.java)
	com.sise.action.QuestionAction.execute(QuestionAction.java:29)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)

查看实体类文件，发现访问的列为 
@ManyToOne(fetch = FetchType.LAZY

把FetchType改为EAGER就没问题了

@ManyToOne(fetch = FetchType.EAGER