Invalid action class configuration that references an unknown class named [productInfoAction]
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这种错误的情况有多种,目前我发现有两种:
1.在页面中定义了后台没有的属性/或者是对象的属性。
比如前台定义了一个name属性,后台根本没有这个属性
2.在页面中使用标签接收了后台传递过来的对象的值(包含若干属性)。
比如后台有一个类Person:
package com.dada.test;public class Person {private int id;private String name;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}}
在Action中有一个Person的实例person
如果你在前台使用了如下方式来获取person值
<input type="text" name="person" value="<s:property value="person"/>"/>
那么等你再次把请求传递到同一个Action的时候就会报上面的错误,因为你的标签中记录的内容实际上是Action值栈中的person的引用,而当你再次把请求传递到后台的时候,这个值栈已经不存在了,所以它污染找到内容,所以就会报错,这是我自己的理解,如果不对请大家指正。
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