关于S2SH整合的问题

Question

在我提交jsp网页的时候出现了下面的错误。

javax.servlet.ServletException: java.lang.IllegalArgumentException: attempt to create saveOrUpdate event with null entity
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:515)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:419)

root cause

Answer 1

[quote]attempt to create saveOrUpdate event with null entity[/quote]

要存储或更新的实体对象为null

即是你的 save(XXEntity) 传入的是null