Não consigo executar os exemplos do livro

[juliocesarjava]

Olá,

Spring Tool Suite

Version: 3.9.4.RELEASE Build Id: 201804120921 Platform: Eclipse Oxygen.3a (4.7.3a) 1.4.3.RELEASE Archive for required library: .m2/repository/xml-apis/xml-apis/1.4.01/xml-apis-1.4.01.jar' in project 'bookserver' cannot be read or is not a valid ZIP file

1.5.8.RELEASE

The type org.thymeleaf.templateresolver.TemplateResolver cannot be resolved. It is indirectly referenced from required .class files

Description Resource Path Location Type The method getCredenciais() is undefined for the type Usuario ResourceOwner.java /bookserver/src/main/java/br/com/casadocodigo/configuracao/seguranca line 31 Java Problem The method getCredenciais() is undefined for the type Usuario ResourceOwner.java /bookserver/src/main/java/br/com/casadocodigo/configuracao/seguranca line 36 Java Problem The method getCredenciais() is undefined for the type Usuario UsuariosController.java /bookserver/src/main/java/br/com/casadocodigo/usuarios line 78 Java Problem The method getEmail() is undefined for the type DadosDeRegistro UsuariosController.java /bookserver/src/main/java/br/com/casadocodigo/usuarios line 56 Java Problem The method getEstante() is undefined for the type Usuario LivrosApiController.java /bookserver/src/main/java/br/com/casadocodigo/livros/api line 27 Java Problem The method getEstante() is undefined for the type Usuario LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 30 Java Problem The method getEstante() is undefined for the type Usuario LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 42 Java Problem The method getEstante() is undefined for the type Usuario LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 48 Java Problem The method getEstante() is undefined for the type Usuario LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 52 Java Problem The method getId() is undefined for the type Usuario ResourceOwner.java /bookserver/src/main/java/br/com/casadocodigo/configuracao/seguranca line 26 Java Problem The method getNome() is undefined for the type DadosDeRegistro UsuariosController.java /bookserver/src/main/java/br/com/casadocodigo/usuarios line 55 Java Problem The method getNota() is undefined for the type DadosDoLivro LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 47 Java Problem The method getSenha() is undefined for the type DadosDeRegistro UsuariosController.java /bookserver/src/main/java/br/com/casadocodigo/usuarios line 56 Java Problem The method getTitulo() is undefined for the type DadosDoLivro LivrosController.java /bookserver/src/main/java/br/com/casadocodigo/livros line 47 Java Problem

O que estou fazendo de errado. Muito obrigado. Parabéns pelo livro.