Spring Boot application giving message No message found for locale 'en_GB'

Question

In my Spring Boot application I am getting the message: org.springframework.context.NoSuchMessageException: No message found under code 'invalidAdminPassword' for locale 'en_GB'.

I know this is due to the MessageSource object which in my code is defined as:

@Bean
    public ReloadableResourceBundleMessageSource messageSource() {
        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
        Locale.setDefault(Locale.UK);
        messageSource.setBasename("messages_en_GB");
        messageSource.setCacheSeconds(3600); // Refresh cache once per hour.
        return messageSource;
    }

In messages_en_GB.properties, I have message:

# Other validation messages.
invalidAdminPassword=Invalid password.

And in the controller concerned I have:

System.out.println(messageSource.getMessage("invalidAdminPassword", null, Locale.UK));

Just to test the retrieval from the messages_en_GB.properties file.

I believe that I am using Spring Boot default settings so why do I get the message org.springframework.context.NoSuchMessageException: No message found under code 'invalidAdminPassword' for locale 'en_GB'.?

Can anyone advise?

Answer 1

tl;dr: there is a minimal running example in the link.

To solve your problem, please answer, please give some more details:

a) Where have you put your messages.properties?

b) Are there more than one messages{.*}.properties?