404 Error In Struts2
Here's 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 field error in struts2 2. Properties fileTwo properties files 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 s
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Namespace Error In Struts2
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Struts2 Action Without Result
About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or struts2 action redirect posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of https://www.mkyong.com/struts2/struts-2-actionerror-actionmessage-example/ 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() to pass messages and error from actions (e.g. in execute()) to the forwarded page. http://stackoverflow.com/questions/12945949/passing-messages-from-action-to-jsp-in-struts2 In the JSP, I use: to display such messages. But no message is shown. I am wondering if anyone could give a fix on this problem, or suggest another solution. I am new to Struts and web development, and I am not sure what is a proper pattern for passing messages from actions to pages. EDIT: action-mapping code and java code myUserAdmin myUserAdmin Java code: public String addUser() throws Exception { // check duplicate for (User u : userList) if (u.getUserName().equals(userName)) { addActionError("A user with the same user name already exists. Choose another user name. "); return INPUT; } if (userName != null && !userName.isEmpty() && password != null && !password.isEmpty()) { User newUser = new User(); newUser.setUserName(userName); newUser.setPassword(password); userList.add(newUser); addActionMessage("User " + userName + " added. "); return SUCCESS; } else { addActionError("User name and password cannot be empty"); return INPUT; } } struts2 struts action share|impr
here for a quick overview of the site Help Center Detailed answers to http://stackoverflow.com/questions/18194869/how-to-retrieve-action-error-messages-using-multiple-redirect-actions-in-struts2 any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community in struts2 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 How to retrieve action error messages using multiple redirect actions in struts2? up vote 2 down vote favorite I'm using struts2 and my struts.xml looks like this: error in struts2 actionD actionB actionC actionC homepage.jsp homepage.jsp As you can see, actionA error result redirect to actionB and actionB error result redirect to actionC. At the end, I want to display the error message at the homepage.jsp but homepage is loaded only when actionC is called. However using actions like this, when homepage is loaded, all the action error messages are lost. I've also tried using interceptors in struts.xml between actions like below but still I'm not able to retrieve the error messages: STORE actionD actionB actionC actionC RETRIEVE homepage.jsp homepage.jsp Please help