struts2 - w3toppers.com

Struts2: Updating the values of a “List Of Objects” inside a Map

According to your latest update. If you are using TreeMap Struts2 cannot correctly determine type of elements inside it. Change declaration of testTreeMap from TreeMap to Map. private Map<String,ObjectCList> testTreeMap = new TreeMap<String,ObjectCList>(); Or annotate testTreeMap with com.opensymphony.xwork2.util.Element annotation to tell Struts2 what type are elements inside map. @Element(value = ObjectCList.class) private TreeMap<String,ObjectCList> testTreeMap = … Read more

Upload multiple files at once to a Struts2 @Action

I suggest you to use Struts Tags instead of plain HTML tags, and to extend ActionSupport (returning its Result constants instead of manually composing the result String, like “result”). That said, this is a tested and working example. Note: It won’t work on old versions of IE, but since you are using HTML5 in your … Read more

There is no Action mapped for namespace [/] and action name [login] associated with context path [/Struts2Test]

Issues related to: There is no Action mapped for namespace and action name associated with context path If you use URL to call an action, make sure this URL is mapped to the Struts configuration. To troubleshoot the issue with URL mapping you can use config-browser plugin. Simply add this plugin to your project dependencies … Read more

Struts2 INPUT result: how does it work? How are conversion / validation errors handled?

Main Question: The work flow should be like this ,if an string is entered other than a number,first it should pass through a exception interceptor,and when passing through param interceptor,while converting to int type,it wont be able to do it using Integer.parseInt and an exception would occur,that exception that is number format exception should be … Read more

Error: Could not find action or result No result defined for action action.Part and result {“col1″:”col1″,”col2″:”col2”}

About Struts2-JSON Plugin Struts2 JSON Plugin works in a particular way: The JSON plugin provides a “json” result type that serializes actions into JSON. It serializes the entire Action into JSON, except transient properties properties without the Getter If you don’t want the whole Action to be serialized, but only one object of your choice, … Read more