Hibernate validator error Spring boot

Question

I'm getting:

javax.validation.ValidationException: HV000032: Unable to initialize org.hibernate.validator.internal.constraintvalidators.bv.PatternValidator

My pom.xml:

<dependency>
    <groupId>javax.validation</groupId>
    <artifactId>validation-api</artifactId>
    <version>1.1.0.Final</version>
</dependency>

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-validator</artifactId>
    <version>5.2.2.Final</version>
</dependency>

No other error is showing, even with debug-mode logging.

@Pattern(regexp = "[0-9.- ]*"); here is the code

Answer 1

The error you are getting is due to your regexp being invalid. To solve it you need change your regexp to something really basic:

@Pattern(regexp = "[0-9]*");

Then gradually add the extra characters to spot what is causing the error. It could be two dashes or the space, but you can easily test it.

Answer 2

The issue with your regexp here is with dash used inside of it. Put dash at the beginning:

@Pattern(regexp = "[-0-9. ]*");