Spring mvc form validation using hibernate validator

Question

How to display a custom message or remove input for integer field in jsp form when user enters white-space in input-field in spring mvc, validated using hibernate validator? It currently shows:

Failed to convert property value of type java.lang.String to required type int for property freePasses; nested exception is java.lang.NumberFormatException: For input string: ""

Yes , that is an alternative but what if I want to show custom message using java in controller side? — Abhishek Bhardwaj
– Abhishek Bhardwaj, Commented Jul 18, 2018 at 9:15
@NotNull working for String fields , displaying custom message as required,but for int fields still showing same :Failed to convert property value of type java.lang.String to required type int for property freePasses; nested exception is java.lang.NumberFormatException: For input string: "" — Abhishek Bhardwaj
– Abhishek Bhardwaj, Commented Jul 18, 2018 at 9:30
Use wrapper class to declare integer varieble. Refer stackoverflow.com/questions/12211734/… — Sumesh TG
– Sumesh TG, Commented Jul 18, 2018 at 9:42

Sumesh TG · Accepted Answer · 2018-07-18 09:53:48Z

1

Use wrapper class to declare integer variables so that wrapper class will convert whitespace to null.

or

refer below link for common solution

Hibernate validation annotation - validate that at least one field is not null

answered Jul 18, 2018 at 9:53

Sumesh TG

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