Troubleshooting Richfaces Select List Validation Errors
October 20, 2021
In some cases, your computer may generate an error indicating that there is a validation error in the Richfaces dropdown. There can be many reasons for this problem.
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I had this problem several times in a short period of time, depending on the type of pojos I used in all the converters … I finally think I found a fashionable solution.In this case, I am directly enjoying the benefits of the JPA entity classes because I wanted to keep the DTO level. Well, for some entities, some rich: pickList worked, some didn’t … I localized it in addition to the default method. In the example below, using the userGroupConverter bean did not work during instance.
My solution is to easily replace online equality practice so that the organization (I use Lombok a lot) is flawless and doesn’t need any changes! So, in this converter below, I just compare all name fields the same:
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package ...;Import.../ ** * JSF User Group Converter.
* Description:
* UserGroup JSF converter for rich elements: pickList.
(Space)
* Copyright: Copyright (c) 2014
* /@ Called@ Slf4j@RequestScoped // must be related to requirements, may change every time!public classes UserGroupConverter implements Converter, Serializable / ** * * / Private Sounds final long serialVersionUID = 9057357226886146751L; @getter Map groupMap; @Inject MessageUtil messageUtil; @Inject UserGroupDao userGroupDao; @PostConstruct publicly avoid postConstruct () groupMap = unique HashMap <> (); List of user groups ; Experiment with userGroups = userGroupDao.findAll (newline [] UserGroup.FIELD_USER_ROLE_NAMES); ifand (userGroups! equals zero) at (UserGroup userGroup: userGroups) // 20150713: for some reason the equals method of the UserGroup entity is clearly not enough here and it raises a JSF validation error // "Validation failed: value is invalid". I tried using this replaced Equals method and it works great for now :-) @SuppressWarnings ("series") Usergroup newGroup = new usergroup () @ Crush boolean general equality (Object obj) if (! (instance of usergroup object)) false return; return (getName ()! implies zero) ? getName (). equals (((usergroup) obj) .getName ()) : (object == this); ; newGroup.setName (userGroup.getName ()); groupMap.put (newGroup.getName (), newGroup); catch (DaoException e) log.error (e.getMessage (), e); FacesContext fc = FacesContext.getCurrentInstance (); FacesMessage = FacesMessage (FacesMessage new.SEVERITY_INFO, "Failed to initialize group operator transformer!", Null); fc.addMessage (zero, message);/ * - (not Javadoc) 7. @see javax.faces.convert.Converter # getAsObject (javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.lang.String) * / @ Crush public UserGroup getAsObject (FacesContext context, UIComponent component, String value) UserGroupUg = null; Have a chance Ug = getGroupMap (). Get (value); Country (exception e) log.error (e.getMessage (), e); FacesContext fc stands for FacesContext.getCurrentInstance (); FacesMessage = FacesMessage (FacesMessage new.SEVERITY_INFO, "Error while changing user group!", Null); fc.addMessage (zero, message); yo back; / * 2. (not Javadoc) 3. @see javax.faces.convert.Converter # getAsString (javax.faces.context.FacesContext, javax.faces.component.UIComponent, java.lang.Object) * / @ Crush public string getAsString (FacesContext context, UIComponent component, Cost of goods) Stringname = ((UserGroup) value) .getName (); Exchange name;
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