Myfaces 2.0.5 : Disable validation if no value entered in field

Myfaces 2.0.5 : Disable validation if no value entered in field

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Myfaces 2.0.5 : Disable validation if no value entered in field
Tag : jsf , By : Jesenko Mehmedbasic
Date : November 28 2020, 04:01 AM

Hope this helps Adding following in web.xml helped to resolve the problem in Jboss eap 7.....hope this will help someone in future....

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JSF 2 Input Field mandatory field validation required only when a value is entered

Tag : jsf-2 , By : Nick Coats
Date : March 29 2020, 07:55 AM
With these it helps This is already the default behaviour. Your problem is caused elsewhere. Perhaps you used an int instead of Integer or String, so that it defaults to 0 instead of null. Or perhaps you used an Integer while running the webapp on Tomcat/JBoss wherein the default Apache EL implementation would implicitly coerce it to 0 instead of null. You can turn it off by adding the following VM argument:

disable button in view until value is entered into field?

Tag : javascript , By : micaleel
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Give your order button an id, and when changing the input value to enable it:
$("#order-button").attr('disabled', 'disabled');

If any input field value entered zero then disable else enable

Tag : javascript , By : arbeitandy
Date : March 29 2020, 07:55 AM
it fixes the issue You need to initialize count value every time ,because you want to check that value is the statement of having 0 value or not.Put it that setting value in .change() function
$(document).ready(function() {
   $('input').change(function()  {
      var count = 0;
      $("input").each(function() {           
         if($(this).val() == "0")
          count = 1;

       if(count == 0)



validation of the entered field

Tag : java , By : Alex
Date : March 29 2020, 07:55 AM
To fix this issue You can use Hibernate Validator to validate the @RequestParam of your controller.
Add this dependency to your pom.xml
public class Controller {
    // ...
@RequestMapping(value = "/convert", method = RequestMethod.GET, produces = "application/json")
    public ExchangeRateDTO converting(@RequestParam("fromCurrency") @NotNull @NotBlank @Size(max = 10) String fromCurrency,
                                      @RequestParam("toCurrency") String toCurrency,
                                      @RequestParam("amount") String amount) throws IOException {
        if (!Currency.getAvailableCurrencies().contains(Currency.getInstance(fromCurrency))) {

        BigDecimal convertedAmount = currencyExchangeService.convert(fromCurrency, toCurrency, new BigDecimal(amount));

Validation not working when spaces are entered into a field

Tag : php , By : stu73
Date : March 29 2020, 07:55 AM
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