How To Display Custom Error Messages In Jsf
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of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to display my application's errors in JSF? up vote 35 down vote favorite 20 In my jsf message from backing bean JSF/Facelets app, here's a simplified version of part of my form: I'd like to be able to assign an error to a specific h:message tag based on something happening in the continueButton() method. Different errors need to be displayed for newPassword and newPassword2. A validator won't really work, facesmessage primefaces because the method that will deliver results (from the DB) is run in the continueButton() method, and is too expensive to run twice. I can't use the h:messages tag because the page has multiple places that I need to display different error messages. When I tried this, the page displayed duplicates of every message. I tried this as a best guess, but no luck: public Navigation continueButton() { ... expensiveMethod(); if(...) { FacesContext.getCurrentInstance().addMessage("newPassword", new FacesMessage("Error: Your password is NOT strong enough.")); } } What am I missing? Any help would be appreciated! jsf error-handling facelets share|improve this question asked Nov 24 '08 at 23:02 Eric Noob 6963914 add a comment| 7 Answers 7 active oldest votes up vote 51 down vote FacesContext.addMessage(String, FacesMessage) requires the component's clientId, not it's id. If you're wondering why, think about having a control as a child of a dataTable, stamping out different values with the same control for each row - it would be possible to have a different message printed for each row. The id is always the same; the clientId is unique per row. So "myform:mybutton" is the correct value, but hard-coding this is ill-advised. A lookup would create less coupling between the view and the business logic and would be an approach that works
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mkyong | October 30, 2010 | Updated jsf custom validation message : August 29, 2012 | Viewed : 159,463 times +453 pv/wThe
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standard JSF conversion and validation error messages are too detail, technical or sometime, not really human readable. In this http://stackoverflow.com/questions/315804/how-to-display-my-applications-errors-in-jsf article, it shows you how to customize standard conversion or validation error message in JSF 2.0.Summary GuideFind your message key from jsf-api-2.x.jar, "Messages.properties" file.Create your own properties file, and put the same message key you found in above https://www.mkyong.com/jsf2/customize-validation-error-message-in-jsf-2-0/ "Messages.properties" file, and override it with your custom error message.Register your properties file in "faces-config.xml", put it as application level.Done.1. Messages.propertiesAll JSF standard conversion and validation error messages are stored in "Messages.properties" file, which can be located from jsf-api-2.x.jar, "javax\faces\Messages.properties", see figure below : See portion of this "Messages.properties" file ... # =================================================================== # Converter Errors # =================================================================== javax.faces.converter.DateTimeConverter.DATE={2}: ''{0}'' could not be understood as a date. javax.faces.converter.DateTimeConverter.DATE_detail={2}: ''{0}'' could not be understood as a date. Example: {1} ... # ==================================================================== # Validator Errors # ==================================================================== javax.faces.validator.LengthValidator.MAXIMUM={1}: Validation Error: Length is greater than allowable maximum of ''{0}'' javax.faces.validator.LengthValidator.MINIMUM={1}: Validation Error: Length is less than allowable minimum of ''{0}'' ... For example
This Site Careers Other all forums Forum: JSF Displaying custom messages in JSF Subrahmanyam Baratam Greenhorn Posts: 13 posted 7 years ago Hi, I am using jsf validation https://coderanch.com/t/414662/JSF/java/Displaying-custom-messages-JSF and the issue is, when i used required attribute for the jsf https://mobiarch.wordpress.com/2013/07/18/user-friendly-validation-error-message-in-jsf-2/ component the default message(Validation Error: Value is required)is getting displayed, instead of this message i need to display my own custom message, to overcome this I have taken one propertie file and added the below line, and added the property file in faces config file, javax.faces.component.UIInput.REQUIRED = error message Entry is required. com.mir.registration.i18n.MyErrors and this is working fine, But here the problem is, i need to display the message, forexmp: For user text box --->Message is ---> User Entry is required For Password Password Entry is required For designation Designation Entry is reuired in the same way for the other fields, Is there any solution for this how to display issue. Thanks, Subrahmanyam. Victor Bucutea Ranch Hand Posts: 43 posted 7 years ago well at first you will put an : tag where you would like the message to appear , configure a validator in faces-config.xml ,and then write a validator class which will set the summary of the message like this : private void throwMessage() throws ValidatorException { FacesMessage fm = new FacesMessage(); fm.setSummary(ValidatorMessagesUtil.getMessage("nrRegComertului_tipPersoanaInvalid")); throw new ValidatorException(fm); } where my ValidatorMessageUtil is something like : public class ValidatorMessagesUtil { private static ResourceBundle rb = ResourceBundle.getBundle("ro/softspot/texts/validationMessages"); public static String getMessage(String bundleName){ return rb.getString(bundleName); } } Have fun , victor Post Reply Bookmark Topic Watch Topic New Topic Similar Threads Anyone know how to override this default converter error message? Spring MVC commons-validator - Over riding default messages How to display appropriate error message in front of text field struts validator message-bundle not working All times are in JavaRanch time: GMT-6 in summer, GMT-7 in winter Contact Us | advertise | mobile view | Powered by JForum | Copyright © 1998-2016 Paul Wheaton
prepended with the client ID of the component. This makes the error message completely unacceptable. In this article, we will learn how to progressively improve the error message. The Default Behavior Let us say that we have a controller class as follows. @Named @RequestScoped public class HelloController { @Size(min=5, message="Name must be at least 5 letters long") private String name; //Getter setter etc... } And an input text for the "name" property in a form: Name: By default, the validation error message will look something like this. Of course, this is far from ideal. Using the "label" Attribute A simple way to improve the error message is to add a label attribute to the component. Name: Now, the error message will look like this. That's better. Still, it looks like a hack. Override Default JSF Message The root of the problem is that JSF by default attempts to prepend either the client ID or the label to the message followed by a ":". The structure of the message is defined using the following message key: javax.faces.validator.BeanValidator.MESSAGE={1}: {0} Where {0} is the error message and {1} is the client ID. To fix the problem properly, we will need to override this message. First, create your own message properties file. You can call it anything. We will call in ApplicationMessages.properties. We will put it in the root of the source folder. The file will look like this. javax.faces.validator.BeanValidator.MESSAGE={0} Then, register the file in faces-config.xml. ApplicationMessages Now, the error message will look like this. Share this:TwitterFacebookLike this:Like Loading... Related July 18, 2013bibhas2 Post navigation ← Special Root Level ServletPaths Installing and Using WebSphere 8.5 Liberty Profile in RAD9.0 → Leave a Reply Cancel reply Enter your comment here... Fill in your details b