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- [x] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [x] I have searched the [release notes](https://github.com/apache/dubbo/releases) of this repository and believe that this is not a duplicate.

## Describe the feature
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@Test
    void testItWithNonExistMethod() {
        Assertions.assertThrows(NoSuchMethodException.class, () -> {
            URL url = URL.valueOf("test://test:11/org.apache.dubbo.validation.support.jvalidation.mock.JValidatorTestTarget");
            JValidator jValidator = new JValidator(url);
            jValidator.validate("nonExistingMethod", new Class<?>[]{String.class}, new Object[]{"arg1"});
        });
    }
    @Test
    void testItWithExistMethod() throws Exception {
        URL url = URL.valueOf("test://test:11/org.apache.dubbo.validation.support.jvalidation.mock.JValidatorTestTarget");
        JValidator jValidator = new JValidator(url);
        jValidator.validate("someMethod1", new Class<?>[]{String.class}, new Object[]{"anything"});
    }
    @Test
    void testItWhenItViolatedConstraint() {
        Assertions.assertThrows(ValidationException.class, () -> {
            URL url = URL.valueOf("test://test:11/org.apache.dubbo.validation.support.jvalidation.mock.JValidatorTestTarget");
            JValidator jValidator = new JValidator(url);