Home > Error Finding > Error Finding Converter For Component With Id

Error Finding Converter For Component With Id

Contents

This is however not really DRY, as it means we have to bind to the same collection twice right after each other (once for the selectItems, once for the converter parameter). How desolate can I make a habitable world? Do I need to add any further info to the converter, or > look into writing my own? > > The menu is as follows: > > value="#{BackingBean.object.subObject.id}"> Arjan Tijms This entry was posted on Wednesday, December 21st, 2011 at 9:17 pm and is filed under Java, jsf. my review here

Red HatSite Help:FAQReport a problem Struts › Struts - User Search everywhere only in this topic Advanced Search Shale-Clay: Error finding Converter for component Classic List Threaded ♦ ♦ Locked 3 A well established pattern in JSF is the following: With userConverter defined as something like: @ManagedBean(name="userConverter")public class UserConverter implements Converter { @EJB It happened because I have changed a lot of attributes along the development. arjan tijms says: 12 January, 2012 at 23:09 No problem, thanks for the link! useful reference

Error Finding Converter For Component With Id

Not sure if this matters in this case, but I have foundit to be important in others. Home Jobs com.oreilly.servlet Polls Lists Archives Engines ISPs Tools Docs ArticlesSoapbox Book The setter setLocation(Location location) is never called. See also: Our selectOneMenu wiki page How to populate options of h:selectOneMenu from database? That way, only a getAsString method needs to be implemented: @ManagedBean(name="userConverter")public class UserConverter extends SelectItemsBaseConverter { @Override public String getAsString(FacesContext context, UIComponent component, Object value) { return ((User) value).getId().toString(); }} The

  1. In other words, the target Object is already there!
  2. Font with Dollars but no line through it Why do Trampolines work?
  3. It gets worse when there are more of such conversions being done and it can go through the roof when we have e.g.
  4. You can follow any responses to this entry through the RSS 2.0 feed.
  5. If the Long field happens to be an @Id field of an entity, then you will need something like the LookupConverter pattern discussed in the related posts.
  6. This is necessary because on a browser back, each hidden input still has it's old value (browser cache!) and therefore a new submit would fire the according action once more!
  7. Without a proper get method, JSF can´t recover your selected item, and happens what BalusC said at item 1 of his answer: 1 .
  8. INFO: Current value=ejb.locations.Location[id=null, name=null, latitude=0.0, longitude=0.0] validation jsf jpa converter selectonemenu share|improve this question edited May 16 '15 at 22:10 BalusC 683k20824732692 asked Jan 30 '12 at 19:13 klonq 1,37131738 add
  9. To solve it: Ensure that exactly the same list is been preserved during the subsequent request, particularly in case of multiple cascading menus.

Re: selectOneMenu : Error finding Converter for component wi Martin Henderson Nov 11, 2005 10:42 AM (in response to Gavin King) hmm.. Speeding up setFormula Google Apps Script What are variable annotations in Python 3.6? Is the NHS wrong about passwords? Like Show 0 Likes(0) Actions 4.

On return from this method, the component's submittedValue property will be set if the submitted form contained that component. 7980publicstaticvoiddecodeUIInput(FacesContextfacesContext,81UIComponentcomponent){82if(!(componentinstanceofEditableValueHolder)){83thrownewIllegalArgumentException("Component"84+component.getClientId(facesContext)85+"isnotanEditableValueHolder");86}87MapparamMap=facesContext.getExternalContext()88.getRequestParameterMap();89StringclientId=component.getClientId(facesContext);9091if(isDisabledOrReadOnly(component))92return;9394if(paramMap.containsKey(clientId)){95((EditableValueHolder)component).setSubmittedValue(paramMap96.get(clientId));97}98else{99log.warn(100"Thereshouldalwaysbeasubmittedvalueforaninputifit"101+"isrendered,itsformissubmitted,anditisnotdisabled"102+"orread-only.Component:"+103RendererUtils.getPathToComponent(component));104}105} X-CHECKED: tlddoc h:selectBooleanCheckbox Parameters:facesContextcomponent112113publicstaticvoiddecodeUISelectBoolean(FacesContextfacesContext,114UIComponentcomponent){115if(!(componentinstanceofEditableValueHolder)){116thrownewIllegalArgumentException("Component"117+component.getClientId(facesContext)118+"isnotanEditableValueHolder");119}120121if(isDisabledOrReadOnly(component))122return;123124MapparamMap=facesContext.getExternalContext()125.getRequestParameterMap();126StringclientId=component.getClientId(facesContext);127if(paramMap.containsKey(clientId)){128StringreqValue=(String)paramMap.get(clientId);129if((reqValue.equalsIgnoreCase("on")130||reqValue.equalsIgnoreCase("yes")||reqValue131.equalsIgnoreCase("true"))){132((EditableValueHolder)component)133.setSubmittedValue(Boolean.TRUE);134}135else{136((EditableValueHolder)component)137.setSubmittedValue(Boolean.FALSE);138}139}140else{141((EditableValueHolder)component)142.setSubmittedValue(Boolean.FALSE);143}144}145146publicstaticbooleanisDisabledOrReadOnly(UIComponentcomponent){147returnisDisplayValueOnly(component)||148isTrue(component.getAttributes().get("disabled"))||149isTrue(component.getAttributes().get("readonly"));150}151152privatestaticbooleanisTrue(Objectobj){153if(!(objinstanceofBoolean))154returnfalse;155156return((Boolean)obj).booleanValue();157} X-CHECKED: tlddoc h:selectManyListbox Parameters:facesContextcomponent164165publicstaticvoiddecodeUISelectMany(FacesContextfacesContext,166UIComponentcomponent){167if(!(componentinstanceofEditableValueHolder)){168thrownewIllegalArgumentException("Component"169+component.getClientId(facesContext)170+"isnotanEditableValueHolder");171}172MapparamValuesMap=facesContext.getExternalContext()173.getRequestParameterValuesMap();174StringclientId=component.getClientId(facesContext);175176if(isDisabledOrReadOnly(component))177return;178179if(paramValuesMap.containsKey(clientId)){180String[]reqValues=(String[])paramValuesMap.get(clientId);181((EditableValueHolder)component).setSubmittedValue(reqValues);182}183else{184/*requestparameternotfound,nothingtodecode-setsubmittedvaluetoanemptyarray185asweshouldgethereonlyifthecomponentisonasubmittedform,isrendered186andifthecomponentisnotreadonlyorhasnotbeendisabled.187188Soinfact,theremustbecomponentvalueatthislocation,butforlistboxes,comboboxesetc.189thesubmittedvalueisnotpostedifnoitemisselected.*/190((EditableValueHolder)component).setSubmittedValue(newString[]{});191}192} X-CHECKED: tlddoc h:selectManyListbox The id of the form component is therefore both necessary and sufficient to determine the full name of the field. 13021303publicstaticStringgetHiddenCommandLinkFieldName(FormInfoformInfo){1304if(RendererUtils.isAdfOrTrinidadForm(formInfo.getForm())){1305returnHIDDEN_COMMANDLINK_FIELD_NAME_TRINIDAD;1306}1307returnformInfo.getFormName()+NamingContainer.SEPARATOR_CHAR1308+HIDDEN_COMMANDLINK_FIELD_NAME;1309}13101311publicstaticStringgetHiddenCommandLinkFieldNameMyfacesOld(FormInfoformInfo){1312returnformInfo.getFormName()+NamingContainer.SEPARATOR_CHAR1313+HIDDEN_COMMANDLINK_FIELD_NAME_MYFACES_OLD;1314}131513161317privatestaticStringHTML_CONTENT_TYPE="text/html";1318privatestaticStringANY_CONTENT_TYPE="*/*";13191320publicstaticStringDEFAULT_CHAR_ENCODING="ISO-8859-1";1321privatestaticStringXHTML_CONTENT_TYPE="application/xhtml+xml";1322privatestaticStringAPPLICATION_XML_CONTENT_TYPE="application/xml";1323privatestaticStringTEXT_XML_CONTENT_TYPE="text/xml";132413251326publicstaticStringselectContentType(StringcontentTypeListString){1327if(contentTypeListString==null){1328FacesContextcontext=FacesContext.getCurrentInstance();1329if(context!=null){1330contentTypeListString=(String)1331context.getExternalContext().getRequestHeaderMap().get("Accept");1332}13331334if(contentTypeListString==null){1335if(log.isDebugEnabled())1336log.debug("Nocontenttypelistgiven,creatingHtmlResponseWriterImplwithdefaultcontenttype.");13371338contentTypeListString=HTML_CONTENT_TYPE;1339}1340}13411342ListcontentTypeList=splitContentTypeListString(contentTypeListString);1343String[]supportedContentTypeArray=getSupportedContentTypes();13441345StringselectedContentType=null;13461347for(inti=0;i1348StringsupportedContentType=supportedContentTypeArray[i].trim();13491350for(intj=0;j1351StringcontentType=(String)contentTypeList.get(j);13521353if(contentType.indexOf(supportedContentType)!=-1){1354if(isHTMLContentType(contentType)){1355selectedContentType=HTML_CONTENT_TYPE;1356}13571358elseif(isXHTMLContentType(contentType)){1359selectedContentType=XHTML_CONTENT_TYPE;1360}1361break;1362}1363}1364if(selectedContentType!=null){1365break;1366}1367}13681369if(selectedContentType==null){1370thrownewIllegalArgumentException("ContentTypeListdoesnotcontainasupportedcontenttype:"+1371contentTypeListString);1372}1373returnselectedContentType;1374}13751376publicstaticString[]getSupportedContentTypes(){1377//noinspectionUnnecessaryLocalVariable1378String[]supportedContentTypeArray=newString[]{HTML_CONTENT_TYPE,ANY_CONTENT_TYPE,1379XHTML_CONTENT_TYPE,APPLICATION_XML_CONTENT_TYPE,TEXT_XML_CONTENT_TYPE};1380returnsupportedContentTypeArray;1381}13821383privatestaticbooleanisHTMLContentType(StringcontentType){1384returncontentType.indexOf(HTML_CONTENT_TYPE)!=-1||1385contentType.indexOf(ANY_CONTENT_TYPE)!=-1;1386}13871388publicstaticbooleanisXHTMLContentType(StringcontentType){1389returncontentType.indexOf(XHTML_CONTENT_TYPE)!=-1||1390contentType.indexOf(APPLICATION_XML_CONTENT_TYPE)!=-1||1391contentType.indexOf(TEXT_XML_CONTENT_TYPE)!=-1;1392}13931394privatestaticListsplitContentTypeListString(StringcontentTypeListString){1395ListcontentTypeList=newArrayList();13961397StringTokenizerst=newStringTokenizer(contentTypeListString,",");1398while(st.hasMoreTokens()){1399StringcontentType=st.nextToken().trim();14001401intsemicolonIndex=contentType.indexOf(";");14021403if(semicolonIndex!=-1){1404contentType=contentType.substring(0,semicolonIndex);1405}14061407contentTypeList.add(contentType);1408}14091410returncontentTypeList;1411}14121413publicstaticStringgetJavascriptLocation(UIComponentcomponent){1414if(component==null)1415returnnull;14161417return(String)component.getAttributes().get(JSFAttr.JAVASCRIPT_LOCATION);1418}14191420publicstaticStringgetImageLocation(UIComponentcomponent){1421if(component==null)1422returnnull;14231424return(String)component.getAttributes().get(JSFAttr.IMAGE_LOCATION);1425}14261427publicstaticStringgetStyleLocation(UIComponentcomponent){1428if(component==null)1429returnnull;14301431return(String)component.getAttributes().get(JSFAttr.STYLE_LOCATION);1432} The ScriptContext offers methods and fields to help with rendering You can not post a blank message. hop over to this website Re: selectOneMenu : Error finding Converter for component wi Martin Henderson Nov 11, 2005 9:09 AM (in response to Gavin King) have you pehaps got @InterceptType(ALWAYS) at the top of your

editable tables where each row contains multiple drop-downs. if (compClass != null && !(compClass.isInstance(uiComponent))) { throw new IllegalArgumentException("uiComponent : " + DebugUtils.getPathToComponent(uiComponent)+ " is not instance of "+compClass.getName()+" as it should be"); } } /** * Convenient utility method Make multiple dependent / cascading selectOneMenu dropdown lists in JSF If anyone can throw some troubleshooting/debugging tips for this sort of problem it would be greatly appreciated. So, by taking advantage of this already present collection we can prevent the DAO calls.

Creating monthly files from an annual file Does Detect Magic allow you to recognize the shape of a magic item? https://mail-archives.apache.org/mod_mbox/myfaces-users/200609.mbox/%[email protected]%3E If they match, the unconverted object is the one we're after and we return that. Error Finding Converter For Component With Id The items in such a drop-down are not rarely backed by domain objects. If no match found, Application will create new school record after filling required data.

For iterating over the select item values, I took advantage of a private utility class that's in Mojarra: com.sun.faces.renderkit.SelectItemsIterator (for a proof of concept, I just copied it since it's package this page We will add object to list along with ID if it is not found in list. Parameters:context the current FacesContext.component the UIComponent whose options need to be rendered.converter component's converterlookupSet the Set to use to look up selected optionsselectItemList the List of SelectItem s to be rendered converter.getAsObject(context, component, submittedValue) : submittedValue; boolean valid = false; for (Object availableItem : bean.getAvailableItems()) { if (selectedItem.equals(availableItem)) { valid = true; break; } } if (!valid) { throw new ValidatorException("Validation Error:

Additionally, we still have to iterate over this and need custom code that knows to which property of the Object we need to compare the String value. a drop-down. more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation get redirected here The field is always a direct child of each form, and has the same name in each form.

The selected item is missing in the list of available items. The data is being returned using Hibernate and I want to perform > >> some > >> logic in the backing bean in case one of the properties is null, since What should I do?

But I did learn a lot.James Like Show 0 Likes(0) Actions Go to original post Actions Related Issues Retrieving data ...

A table with only 10 rows and 4 drop-downs might result in 40 separate calls to the back-end being done. the link I provided) and put it in a package of your own. But during testing, I found that Objects added to list are accessible from totally different browser session on different machine. 🙁 Not sure what is wrong in this approach.. Param component is required to be an EditableValueHolder.

Also I will wait your new article of implementing such custom tags to be easier to use the selected row as Object. P.S. but when I was using that to intercept a call to populate a selectMany it spat out the same error as you're seeing on submitting.ah well...sorry I can't be of more useful reference Like Show 0 Likes(0) Actions 8.

Thanks. –Agustí Sánchez Aug 19 '14 at 16:28 Having a similar error. Physically locating the server Has she came or Did She came Is it plagiarism (or bad practice) to cite reviews instead of source material directly? okay... The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License.

I create my own custom component that allow the user to have complex radio layout. Please reload CAPTCHA. 4 + eight = Search Search for: Categories Eclipse (7) Hardware (5) SSD (4) Java (70) jaspic (1) jsf (13) Mac OS X (1) Scrum (1) Archives The implementation is done via a Converter base class from which user code can inherit. Have you tried bijecting "requirements" to make this expression shorter?

As part of safeguard against tampered/hacked requests, JSF will reiterate over all available select item values and test if selectedItem.equals(availableItem) returns true for at least one available item value. To avoid this, I maintained list of object in converter. Like Show 0 Likes(0) Actions 10. Join them; it only takes a minute: Sign up Validation Error: Value is not valid up vote 40 down vote favorite 16 I have a problem with a p:selectOneMenu, no matter

This is already done right on standard Java types such as java.lang.String, java.lang.Number, etc, but not necessarily on custom objects/beans/entites. The class has package private access and can thus not be instantiated from user code. You can leave a response, or trackback from your own site. 10 comments to "Automatic to-Object conversion in JSF selectOneMenu & Co." samy omar says: 3 January, 2012 at 10:44 Thanks