public static void validate(JobMetaDataParameterObject parameterObject) {
        Path jarPath = parameterObject.getJarPath();
        validateJarPathNotNull(jarPath);
        validateFileSizeIsNotZero(jarPath);
        validateFileExtension(jarPath);
        validateJobParameters(parameterObject.getJobParameters());
    }
@Test
    public void testValidateJarOnMember() {
        JobMetaDataParameterObject parameterObject = new JobMetaDataParameterObject();
        assertThatThrownBy(() -> JarOnMemberValidator.validate(parameterObject))
                .isInstanceOf(JetException.class);
    }