Spring native-image: Missing resource hint for ConfigurableMimeFileTypeMap

Running the native-image from spring-native samples in branch sb-3.0.x leads to

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'javamailService': Unsatisfied dependency expressed through constructor parameter 0: Error creating bean with name 'mailSender': Instantiation of supplied bean failed
    at org.springframework.beans.factory.aot.AutowiredInstantiationArgumentsResolver.resolveArgument(AutowiredInstantiationArgumentsResolver.java:319) ~[na:na]
    at org.springframework.beans.factory.aot.AutowiredInstantiationArgumentsResolver.resolveArguments(AutowiredInstantiationArgumentsResolver.java:232) ~[na:na]
    at org.springframework.beans.factory.aot.AutowiredInstantiationArgumentsResolver.resolve(AutowiredInstantiationArgumentsResolver.java:154) ~[na:na]
    at com.example.javamail.service.JavamailService__BeanDefinitions.getJavamailServiceInstance(JavamailService__BeanDefinitions.java:31) ~[na:na]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainInstanceFromSupplier(AbstractAutowireCapableBeanFactory.java:1223) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainFromSupplier(AbstractAutowireCapableBeanFactory.java:1209) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1156) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:566) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:526) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:930) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:926) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:592) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:146) ~[javamail:3.0.0-SNAPSHOT]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:735) ~[javamail:3.0.0-SNAPSHOT]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:431) ~[javamail:3.0.0-SNAPSHOT]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:310) ~[javamail:3.0.0-SNAPSHOT]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1307) ~[javamail:3.0.0-SNAPSHOT]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1296) ~[javamail:3.0.0-SNAPSHOT]
    at com.example.javamail.JavamailApplication.main(JavamailApplication.java:10) ~[javamail:0.0.1-SNAPSHOT]
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mailSender': Instantiation of supplied bean failed
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainInstanceFromSupplier(AbstractAutowireCapableBeanFactory.java:1234) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainFromSupplier(AbstractAutowireCapableBeanFactory.java:1209) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1156) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:566) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:526) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:326) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:324) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:254) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1374) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1294) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.aot.AutowiredInstantiationArgumentsResolver.resolveArgument(AutowiredInstantiationArgumentsResolver.java:302) ~[na:na]
    ... 22 common frames omitted
Caused by: java.lang.IllegalStateException: Could not load specified MIME type mapping file: class path resource [org/springframework/mail/javamail/mime.types]
    at org.springframework.mail.javamail.ConfigurableMimeFileTypeMap.getFileTypeMap(ConfigurableMimeFileTypeMap.java:126) ~[na:na]
    at org.springframework.mail.javamail.ConfigurableMimeFileTypeMap.afterPropertiesSet(ConfigurableMimeFileTypeMap.java:110) ~[na:na]
    at org.springframework.mail.javamail.JavaMailSenderImpl.<init>(JavaMailSenderImpl.java:115) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.boot.autoconfigure.mail.MailSenderPropertiesConfiguration.mailSender(MailSenderPropertiesConfiguration.java:44) ~[javamail:0.0.1-SNAPSHOT]
    at org.springframework.boot.autoconfigure.mail.MailSenderPropertiesConfiguration__BeanDefinitions.lambda$getMailSenderInstance$0(MailSenderPropertiesConfiguration__BeanDefinitions.java:41) ~[na:na]
    at org.springframework.util.function.ThrowingFunction.apply(ThrowingFunction.java:63) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.util.function.ThrowingFunction.apply(ThrowingFunction.java:51) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.beans.factory.aot.AutowiredInstantiationArgumentsResolver.resolve(AutowiredInstantiationArgumentsResolver.java:156) ~[na:na]
    at org.springframework.boot.autoconfigure.mail.MailSenderPropertiesConfiguration__BeanDefinitions.getMailSenderInstance(MailSenderPropertiesConfiguration__BeanDefinitions.java:41) ~[na:na]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainInstanceFromSupplier(AbstractAutowireCapableBeanFactory.java:1223) ~[javamail:6.0.0-SNAPSHOT]
    ... 34 common frames omitted
Caused by: java.io.FileNotFoundException: class path resource [org/springframework/mail/javamail/mime.types] cannot be opened because it does not exist
    at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:183) ~[javamail:6.0.0-SNAPSHOT]
    at org.springframework.mail.javamail.ConfigurableMimeFileTypeMap.createFileTypeMap(ConfigurableMimeFileTypeMap.java:149) ~[na:na]
    at org.springframework.mail.javamail.ConfigurableMimeFileTypeMap.getFileTypeMap(ConfigurableMimeFileTypeMap.java:123) ~[na:na]
    ... 43 common frames omitted

There's a resource hint missing.