$ .ajax发布到struts2操作返回内部服务器错误 [英] $.ajax post to struts2 action returns Internal Server Error
问题描述
我正在尝试执行此AJAX帖子,但收到服务器500错误.如果我不发送任何数据,我可以看到它达到了控制器中设置的断点.但是,当我发送数据时,它没有并返回500错误.帮助?谢谢.
I am trying to perform this AJAX post but getting a server 500 error. If I don't send any data i can see it hits break point set in the controller. But when I send data it doesnt and returns 500 error. help? Thanks.
在Firebug控制台中,
请求标头具有Content-Type application/x-www-form-urlencoded; charset=UTF-8
和响应为com.hearsay.example.mktpx.ui.action.LoadDefaultsAction.retrieveBenchmark()
In firebug console,
The request header has Content-Type application/x-www-form-urlencoded; charset=UTF-8
and Response as com.hearsay.example.mktpx.ui.action.LoadDefaultsAction.retrieveBenchmark()
代码:
$.ajax( {
type : "POST",
url : "loadBenchMark",
data : {'ruleset':'1'},
success : function(data) {
console.log("success");
},
error:error : function(request, textStatus, errorThrown) {
console.log("Error Thrown:" +request.statusText);
}
});
动作类:
public String retrieveBenchmark(int ruleset) {
setBenchmarkProductList(retrieveBenchmarkProductList());
return SUCCESS;
}
Struts.xml
Struts.xml
<action name="loadBenchMark"
class="com.hearsay.example.mktpx.ui.action.LoadDefaultsAction" method="retrieveBenchmark">
<result type="json"></result>
</action>
推荐答案
首先,从方法中删除ruleset
参数.然后,使用标准的getter和setter方法在操作类中添加实例变量,如下所示:
First, remove the ruleset
parameter from the method. Then, add an instance variable instead in the action class, with standard getter and setter methods - like this:
private int ruleset // or String, if you're passing String values
public int getRuleset() {
return this.ruleset;
}
public void setRuleset(int ruleset) {
this.ruleset = ruleset;
}
这是将参数传递给Struts动作的方式-Struts将调用适当的setter.记住要使用正确的数据类型-不要为int
变量等传递String
值.
This is the way parameters are passed to a Struts action - Struts will call the appropriate setter. Remember to use correct data types - do not pass String
values for int
variables etc.
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