Aqui está quando começa a dar erros
2018-09-18 15:30:45.103 INFO 4984 --- [ main] br.com.caelum.alura.Application : Starting Application v0.0.1-SNAPSHOT on DESKTOP-TQ5HUTO with PID 4984 (C:\Users\Fluttershy\Downloads\android-sync\android-sync\server\server.jar started by Fluttershy in C:\Users\Fluttershy\Downloads\android-sync\android-sync\server)
2018-09-18 15:30:45.108 INFO 4984 --- [ main] br.com.caelum.alura.Application : No active profile set, falling back to default profiles: default
2018-09-18 15:30:45.239 INFO 4984 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@5f058f00: startup date [Tue Sep 18 15:30:45 BRT 2018]; root of context hierarchy
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (jar:file:/C:/Users/Fluttershy/Downloads/android-sync/android-sync/server/server.jar!/lib/spring-core-4.2.7.RELEASE.jar!/) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2018-09-18 15:30:47.762 INFO 4984 --- [ main] f.a.AutowiredAnnotationBeanPostProcessor : JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
2018-09-18 15:30:47.812 INFO 4984 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'appConfig' of type [class br.com.caelum.alura.config.AppConfig$$EnhancerBySpringCGLIB$$6a61e3dc] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-09-18 15:30:47.823 INFO 4984 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService
2018-09-18 15:30:48.024 INFO 4984 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [class org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$d0c7a2e5] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-09-18 15:30:48.410 WARN 4984 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tomcatEmbeddedServletContainerFactory' defined in class path resource [org/springframework/boot/autoconfigure/web/EmbeddedServletContainerAutoConfiguration$EmbeddedTomcat.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.boot.autoconfigure.web.ServerProperties org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration.properties; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'serverProperties' defined in class path resource [org/springframework/boot/autoconfigure/web/ServerPropertiesAutoConfiguration.class]: Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/ValidationException
2018-09-18 15:30:48.469 ERROR 4984 --- [ main] o.s.boot.SpringApplication : Application startup failed
1 - Oque seria SO?
2- Tem alguns servers de JBOSS e Apache Tomcat, mas não estão rodando no momento
