How To Display Error Messages In Jsp Struts2
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App EngineApache AntApache MavenjQueryJava MongoDBQuartz SchedulerLog4jContact Us Struts 2 ActionError & ActionMessage ExampleBy mkyong | June 10, 2010 | Viewed : 184,833 times +555 pv/w Download It - Struts2-ActionError-ActionMessage-Example.zipA tutorial to how to display error message in jsp using struts2 show the use of the Struts 2's ActionError and ActionMessage class.1.
Struts Action Messages Example
ActionError - is used to send error feedback message to user - display via
Action Message Struts 1
Struts Display Error Messages In Jsp
a simple login form, display the error message (actionerror) if the username is not equal to "mkyong", otherwise redirect to another page and display the a welcome message (actionmessage). In addition, all the label and error messages are retrieve from the resource bundle (properties file).1. Folder StructureSee this project structure 2. Properties fileTwo properties files struts2 addfielderror to store the messages.LoginAction.properties #Welcome messages welcome.hello = Hello #error message username.required = Username is required password.required = Password is required global.properties #Global messages global.username = Username global.password = Password global.submit = Submit global.reset = Reset 3. ActionA classic action class, do a simple checking to make sure the username is equal to "mkyong", and set the error message with addActionError() or successful message with addActionMessage(). package com.mkyong.user.action; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport{ private String username; private String password; public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } //business logic public String execute() { return "SUCCESS"; } //simple validation public void validate(){ if("mkyong".equals(getUsername())){ addActionMessage("You are valid user!"); }else{ addActionError("I don't know you, dont try to hack me!"); } } } 4. JSP ViewTwo simple JSP pages with css style to customize the error message.login.jsp <%@ page contentType="text/html; charset=UTF-8" %> <%
here for a quick overview of the site Help Center Detailed answers struts html messages to any questions you might have Meta Discuss the workings field error in struts2 and policies of this site About Us Learn more about Stack Overflow the company Business how to display field error in struts2 Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the https://www.mkyong.com/struts2/struts-2-actionerror-actionmessage-example/ Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Passing messages from action to JSP in struts2 up vote 2 down vote favorite 1 I am trying to use addActionMessage() and addActionError() http://stackoverflow.com/questions/12945949/passing-messages-from-action-to-jsp-in-struts2 to pass messages and error from actions (e.g. in execute()) to the forwarded page. In the JSP, I use:
QuestionsJava Interview QuestionsJDBC Interview QuestionsServlet Interview QuestionsJSP Interview QuestionsStruts2 Interview QuestionsSpring Interview QuestionsHibernate Interview QuestionsJSF Interview QuestionsResourcesStoreHome » Struts 2 » Struts 2 Action Error and Action http://www.journaldev.com/2274/struts-2-action-error-action-message MessageStruts 2 Action Error and Action MessageSeptember 26, 2016 by Pankaj 13 Comments Struts 2 provide a lot of custom tags for development and http://www.laliluna.com/articles/posts/struts-form-validation-error-handling.html we have already looked into Data Tags, Control Tags and UI Tags. Today we will look into two tags that are related to action class how to response that we can use in the result pages.Struts 2 Action Error and Action Messageactionerror tag: This tag is used in conjunction with Action class validation for form fields. If validation fails for any form fields, we can add action errors and then Struts 2 API forwards the request how to display to "input" result page where we can use this tag to show the error messages. This tag is helpful in server side validation of form fields and then returning the input page with error message. Syntax of this tag is: