Jsf Converter Conversion Error Occurred
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About primefaces conversion error setting value for 'null converter' Us Learn more about Stack Overflow the company Business Learn more about hiring conversion error setting value for 'null converter' date developers or 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 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up {0}: Conversion error occurred (in SelectOneMenu) [duplicate] up vote 1 down vote favorite This question already has an answer here: Conversion Error setting value for 'null Converter' 1 answer I have the following problem - I have a SelectOneMenu, first item is just an information to ask the user to select item from the drop item menu and after that are the real values. I have a Converter which work properly when i select and element from the drop down, but when the user does not select anything i jot this error {0}: Conversion error occurred. Here is the logic for selectOneMenu:
Certification Databases Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: JSF how to over come conversion error prathibha shiju Greenhorn Posts: 17 posted 8 years ago hi i want to read the selected item from from http://stackoverflow.com/questions/23314447/0-conversion-error-occurred-in-selectonemenu a selectonelistbox. the list entries are having values label and value fields. so i put the getters and setters of label and value in a seperate bean class and the getter and setter of that class inside my main https://coderanch.com/t/213652/JSF/java/conversion-error bean class that is userbean. nad i want to get the label value of what i selected from list. so i tried to read that as Joined: 05/Jun/2008 00:00:00 Messages: 3 Offline Hi, I have a http://www.icesoft.org/JForum/posts/list/9696.page problem witch s:selectManyCheckbox component. See the following http://blog.etiviti.com/2004/04/jsf-selectitem-referencing-an-object-conversion-error-occurred/ code:
occurred" Posted on April 16, 2004 by rich Maybe I'm hitting another JSF quirk… but I have yet to see an example using this method: Lets say I have a drop down list:
for (int i = 0; i < items.size(); i++) {
h = (HardwareTypeItem) items.get(i);
hardwareTypeItems.add(new SelectItem(h,h.getDescription(),h.getDescription()))
} Here is my Model.hardwareTypeItem:
/**
* @return Returns the hardwareTypeItem.
* @hibernate.many-to-one column="type_id"
*/
public HardwareTypeItem getHardwareTypeItem() {
return hardwareTypeItem;
} Being realistic, I doubt the assumption of JSF to just know hey that's my object and update the Model with the proper reference, but that's not the case and shoots back a "Conversion error occurred" for the message output. -- UPDATE -- After a little digging around, I downloaded the JSF source code and happened to stumble upon additional examples under the "standard" directory. Now I feel a bit dumb as its straight forward process using the javax.faces.convert.Converter interface. I created a converter and then just register your custom converter in the faces-config.xml file like so: