HTTP Status 500 – Internal Server Error - Email não enviado

Oi pessoal, bom dia! Eu já tentei diversas vezes e já verifiquei todo conteúdo desse tópico no fórum e não conseguir solucionar o problema de envio de e-mail, eu estou usando o meu e-mail pessoal do gmail nas configurações. Alguém pode me ajudar por favor?

Página Web

HTTP Status 500 – Internal Server Error
Type Exception Report

Message Request processing failed; nested exception is org.springframework.mail.MailAuthenticationException: Authentication failed; nested exception is javax.mail.AuthenticationFailedException: 534-5.7.9 Application-specific password required. Learn more at

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.mail.MailAuthenticationException: Authentication failed; nested exception is javax.mail.AuthenticationFailedException: 534-5.7.9 Application-specific password required. Learn more at
534 5.7.9  https://support.google.com/mail/?p=InvalidSecondFactor g21sm2103776qts.18 - gsmtp

    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

Console

Pagamento efetuado com sucesso
ago 05, 2020 11:12:29 AM org.apache.catalina.core.ApplicationDispatcher invoke
SEVERE: Servlet.service() for servlet [dispatcher] threw exception
javax.mail.AuthenticationFailedException: 534-5.7.9 Application-specific password required. Learn more at
534 5.7.9  https://support.google.com/mail/?p=InvalidSecondFactor g21sm2103776qts.18 - gsmtp

javax.mail.AuthenticationFailedException: 534-5.7.9 Application-specific password required. Learn more at
534 5.7.9  https://support.google.com/mail/?p=InvalidSecondFactor g21sm2103776qts.18 - gsmtp

ago 05, 2020 11:12:29 AM org.apache.catalina.core.AsyncContextImpl setErrorState
WARNING: onError() call failed for listener of type [org.apache.catalina.core.AsyncListenerWrapper]
java.lang.IllegalArgumentException: Cannot dispatch without an AsyncContext