我遇到了这个问题，我自己也无法解决，因为Spring Boot完全没有经验。
当我尝试运行SpringApplication时，我收到了这个日志：
"C:\Program Files\Java\jdk1.8.0_111\bin\java" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=54556 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2017.2.6\lib\idea_rt.jar=54557:C:\Program Files\JetBrains\IntelliJ IDEA 2017.2.6\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_111\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_111\jre\lib\rt.jar;C:\Users\Volodymyr\IdeaProjects\pgs\target\classes;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-cache\1.5.9.RELEASE\spring-boot-starter-cache-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter\1.5.9.RELEASE\spring-boot-starter-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot\1.5.9.RELEASE\spring-boot-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-autoconfigure\1.5.9.RELEASE\spring-boot-autoconfigure-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-logging\1.5.9.RELEASE\spring-boot-starter-logging-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\ch\qos\logback\logback-classic\1.1.11\logback-classic-1.1.11.jar;C:\Users\Volodymyr.m2\repository\ch\qos\logback\logback-core\1.1.11\logback-core-1.1.11.jar;C:\Users\Volodymyr.m2\repository\org\slf4j\jul-to-slf4j\1.7.25\jul-to-slf4j-1.7.25.jar;C:\Users\Volodymyr.m2\repository\org\slf4j\log4j-over-slf4j\1.7.25\log4j-over-slf4j-1.7.25.jar;C:\Users\Volodymyr.m2\repository\org\yaml\snakeyaml\1.17\snakeyaml-1.17.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-context\4.3.13.RELEASE\spring-context-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-beans\4.3.13.RELEASE\spring-beans-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-expression\4.3.13.RELEASE\spring-expression-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-context-support\4.3.13.RELEASE\spring-context-support-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-data-jpa\1.5.9.RELEASE\spring-boot-starter-data-jpa-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-aop\1.5.9.RELEASE\spring-boot-starter-aop-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\aspectj\aspectjweaver\1.8.13\aspectjweaver-1.8.13.jar;C:\Users\Volodymyr.m2\repository\org\hibernate\hibernate-core\5.0.12.Final\hibernate-core-5.0.12.Final.jar;C:\Users\Volodymyr.m2\repository\org\jboss\logging\jboss-logging\3.3.1.Final\jboss-logging-3.3.1.Final.jar;C:\Users\Volodymyr.m2\repository\org\hibernate\javax\persistence\hibernate-jpa-2.1-api\1.0.0.Final\hibernate-jpa-2.1-api-1.0.0.Final.jar;C:\Users\Volodymyr.m2\repository\org\javassist\javassist\3.21.0-GA\javassist-3.21.0-GA.jar;C:\Users\Volodymyr.m2\repository\antlr\antlr\2.7.7\antlr-2.7.7.jar;C:\Users\Volodymyr.m2\repository\org\jboss\jandex\2.0.0.Final\jandex-2.0.0.Final.jar;C:\Users\Volodymyr.m2\repository\dom4j\dom4j\1.6.1\dom4j-1.6.1.jar;C:\Users\Volodymyr.m2\repository\org\hibernate\common\hibernate-commons-annotations\5.0.1.Final\hibernate-commons-annotations-5.0.1.Final.jar;C:\Users\Volodymyr.m2\repository\org\hibernate\hibernate-entitymanager\5.0.12.Final\hibernate-entitymanager-5.0.12.Final.jar;C:\Users\Volodymyr.m2\repository\javax\transaction\javax.transaction-api\1.2\javax.transaction-api-1.2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\data\spring-data-jpa\1.11.9.RELEASE\spring-data-jpa-1.11.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\data\spring-data-commons\1.13.9.RELEASE\spring-data-commons-1.13.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-orm\4.3.13.RELEASE\spring-orm-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-tx\4.3.13.RELEASE\spring-tx-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\slf4j\slf4j-api\1.7.25\slf4j-api-1.7.25.jar;C:\Users\Volodymyr.m2\repository\org\slf4j\jcl-over-slf4j\1.7.25\jcl-over-slf4j-1.7.25.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-aspects\4.3.13.RELEASE\spring-aspects-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-data-rest\1.5.9.RELEASE\spring-boot-starter-data-rest-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.8.0\jackson-annotations-2.8.0.jar;C:\Users\Volodymyr.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.8.10\jackson-databind-2.8.10.jar;C:\Users\Volodymyr.m2\repository\com\fasterxml\jackson\core\jackson-core\2.8.10\jackson-core-2.8.10.jar;C:\Users\Volodymyr.m2\repository\org\springframework\data\spring-data-rest-webmvc\2.6.9.RELEASE\spring-data-rest-webmvc-2.6.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\data\spring-data-rest-core\2.6.9.RELEASE\spring-data-rest-core-2.6.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\atteo\evo-inflector\1.2.2\evo-inflector-1.2.2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-hateoas\1.5.9.RELEASE\spring-boot-starter-hateoas-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\hateoas\spring-hateoas\0.23.0.RELEASE\spring-hateoas-0.23.0.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\plugin\spring-plugin-core\1.2.0.RELEASE\spring-plugin-core-1.2.0.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\1.5.9.RELEASE\spring-boot-starter-jdbc-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\tomcat-jdbc\8.5.23\tomcat-jdbc-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\tomcat-juli\8.5.23\tomcat-juli-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-jdbc\4.3.13.RELEASE\spring-jdbc-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-security\1.5.9.RELEASE\spring-boot-starter-security-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-aop\4.3.13.RELEASE\spring-aop-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\security\spring-security-config\4.2.3.RELEASE\spring-security-config-4.2.3.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\security\spring-security-web\4.2.3.RELEASE\spring-security-web-4.2.3.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\session\spring-session\1.3.1.RELEASE\spring-session-1.3.1.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-starter\2.0.0.M2\spring-shell-starter-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-core\2.0.0.M2\spring-shell-core-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\jline\jline\3.4.0\jline-3.4.0.jar;C:\Users\Volodymyr.m2\repository\org\jline\jline-terminal-jna\3.4.0\jline-terminal-jna-3.4.0.jar;C:\Users\Volodymyr.m2\repository\net\java\dev\jna\jna\4.2.2\jna-4.2.2.jar;C:\Users\Volodymyr.m2\repository\org\jline\jline-terminal\3.4.0\jline-terminal-3.4.0.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-standard\2.0.0.M2\spring-shell-standard-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-standard-commands\2.0.0.M2\spring-shell-standard-commands-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-shell1-adapter\2.0.0.M2\spring-shell-shell1-adapter-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-jcommander-adapter\2.0.0.M2\spring-shell-jcommander-adapter-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\shell\spring-shell-table\2.0.0.M2\spring-shell-table-2.0.0.M2.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-validation\1.5.9.RELEASE\spring-boot-starter-validation-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\8.5.23\tomcat-embed-el-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\hibernate\hibernate-validator\5.3.6.Final\hibernate-validator-5.3.6.Final.jar;C:\Users\Volodymyr.m2\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;C:\Users\Volodymyr.m2\repository\com\fasterxml\classmate\1.3.4\classmate-1.3.4.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-web\1.5.9.RELEASE\spring-boot-starter-web-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\1.5.9.RELEASE\spring-boot-starter-tomcat-1.5.9.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\8.5.23\tomcat-embed-core-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\tomcat-annotations-api\8.5.23\tomcat-annotations-api-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.5.23\tomcat-embed-websocket-8.5.23.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-web\4.3.13.RELEASE\spring-web-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-webmvc\4.3.13.RELEASE\spring-webmvc-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\com\h2database\h2\1.4.196\h2-1.4.196.jar;C:\Users\Volodymyr.m2\repository\org\springframework\spring-core\4.3.13.RELEASE\spring-core-4.3.13.RELEASE.jar;C:\Users\Volodymyr.m2\repository\org\springframework\security\spring-security-core\4.2.3.RELEASE\spring-security-core-4.2.3.RELEASE.jar;C:\Users\Volodymyr.m2\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar" com.hypeofpipe.pgs.PgsApplication
. ____ _ __ _ _
/\ / ' __ _ ()_ __ __ _ \ \ \ \
( ( )_ | '_ | '| | ' / ` | \ \ \ \
\/ )| |)| | | | | || (| | ) ) ) )
' |____| .|| ||| |__, | / / / /
=========|_|==============|___/=///_/
:: Spring Boot :: (v1.5.9.RELEASE)
2017-12-06 16:01:34.437 INFO 6960 --- [ main] com.hypeofpipe.pgs.PgsApplication : Starting PgsApplication on LAPTOP-LSF16BAT with PID 6960 (C:\Users\Volodymyr\IdeaProjects\pgs\target\classes started by Volodymyr in C:\Users\Volodymyr\IdeaProjects\pgs)
2017-12-06 16:01:34.442 INFO 6960 --- [ main] com.hypeofpipe.pgs.PgsApplication : No active profile set, falling back to default profiles: default
2017-12-06 16:01:34.557 INFO 6960 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@525f1e4e: startup date [Wed Dec 06 16:01:34 CET 2017]; root of context hierarchy
2017-12-06 16:01:35.971 INFO 6960 --- [ main] o.s.b.f.s.DefaultListableBeanFactory : Overriding bean definition for bean 'httpRequestHandlerAdapter' with a different definition: replacing [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$EnableWebMvcConfiguration; factoryMethodName=httpRequestHandlerAdapter; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]] with [Root bean: class [null]; scope=; abstract=false; lazyInit=false; autowireMode=3; dependencyCheck=0; autowireCandidate=true; primary=false; factoryBeanName=org.springframework.data.rest.webmvc.config.RepositoryRestMvcConfiguration; factoryMethodName=httpRequestHandlerAdapter; initMethodName=null; destroyMethodName=(inferred); defined in class path resource [org/springframework/data/rest/webmvc/config/RepositoryRestMvcConfiguration.class]]
2017-12-06 16:01:36.847 INFO 6960 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$572a4fb0] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2017-12-06 16:01:37.441 INFO 6960 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2017-12-06 16:01:37.453 INFO 6960 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2017-12-06 16:01:37.456 INFO 6960 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.23
2017-12-06 16:01:37.593 INFO 6960 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2017-12-06 16:01:37.594 INFO 6960 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 3043 ms
2017-12-06 16:01:37.866 INFO 6960 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/]
2017-12-06 16:01:37.867 INFO 6960 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/]
2017-12-06 16:01:37.867 INFO 6960 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/]
2017-12-06 16:01:37.867 INFO 6960 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/]
2017-12-06 16:01:37.869 INFO 6960 --- [ost-startStop-1] .s.DelegatingFilterProxyRegistrationBean : Mapping filter: 'springSecurityFilterChain' to: [/*]
2017-12-06 16:01:37.869 INFO 6960 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2017-12-06 16:01:38.448 INFO 6960 --- [ main] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default'
2017-12-06 16:01:38.463 INFO 6960 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [
name: default
...]
2017-12-06 16:01:38.612 INFO 6960 --- [ main] org.hibernate.Version : HHH000412: Hibernate Core {5.0.12.Final}
2017-12-06 16:01:38.614 INFO 6960 --- [ main] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found
2017-12-06 16:01:38.616 INFO 6960 --- [ main] org.hibernate.cfg.Environment : HHH000021: Bytecode provider name : javassist
2017-12-06 16:01:38.691 INFO 6960 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
2017-12-06 16:01:38.885 INFO 6960 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
2017-12-06 16:01:39.722 INFO 6960 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000227: Running hbm2ddl schema export
2017-12-06 16:01:39.794 INFO 6960 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000230: Schema export complete
2017-12-06 16:01:39.848 INFO 6960 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2017-12-06 16:01:41.016 WARN 6960 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'parameterValidationExceptionResultHandler': Unsatisfied dependency expressed through field 'parameterResolvers'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'standardParameterResolver' defined in class path resource [org/springframework/shell/standard/StandardAPIAutoConfiguration.class]: Unsatisfied dependency expressed through method 'standardParameterResolver' parameter 0; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'org.springframework.core.convert.ConversionService' available: expected single matching bean but found 2: mvcConversionService,defaultConversionService
2017-12-06 16:01:41.018 INFO 6960 --- [ main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2017-12-06 16:01:41.019 INFO 6960 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000227: Running hbm2ddl schema export
2017-12-06 16:01:41.041 INFO 6960 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000230: Schema export complete
2017-12-06 16:01:41.044 INFO 6960 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2017-12-06 16:01:41.066 INFO 6960 --- [ main] utoConfigurationReportLoggingInitializer :
Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2017-12-06 16:01:41.074 ERROR 6960 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter :
APPLICATION FAILED TO START
Description:
Parameter 0 of method standardParameterResolver in org.springframework.shell.standard.StandardAPIAutoConfiguration required a single bean, but 2 were found:
- mvcConversionService: defined by method 'mvcConversionService' in class path resource [org/springframework/boot/autoconfigure/web/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]
- defaultConversionService: defined by method 'defaultConversionService' in class path resource [org/springframework/data/rest/webmvc/config/RepositoryRestMvcConfiguration.class]
Action:
Consider marking one of the beans as @Primary, updating the consumer to accept multiple beans, or using @Qualifier to identify the bean that should be consumed
Process finished with exit code 1
所以，我试图禁用JMX代理并添加关于我的bean的@Primary注释。虽然不起作用。
这是我的源代码：
pgs_controllers_SubjectsRestController.java
package com.hypeofpipe.pgs.controllers;
//I've reduced import to fit this post into 30k characters
@RestController
@RequestMapping("/{email}/subjects")
public class SubjectsRestController {
private final PresenceRepository presenceRepository;
private final StudentRepository studentRepository;
private final SubjectRepository subjectRepository;
private final TeacherRepository teacherRepository;
@Autowired
SubjectsRestController(PresenceRepository presenceRepository,
StudentRepository studentRepository,
SubjectRepository subjectRepository,
TeacherRepository teacherRepository){
this.presenceRepository = presenceRepository;
this.studentRepository = studentRepository;
this.subjectRepository = subjectRepository;
this.teacherRepository = teacherRepository;
}
@RequestMapping(method = RequestMethod.GET)
Collection<Subject> readSubjects(@PathVariable String email){
if (this.validateUser(email)){ //check it is student
return this.subjectRepository.findByStudentEmail(email);
}
else {
return this.subjectRepository.findByTeacherEmail(email);
}
}
private boolean validateUser(String userId) {
char c = userId.charAt(0);
boolean retBol = false;
if (Character.getType(c) == Character.getType('s')) {
retBol = true;
} else if (Character.getType(c) == Character.getType('t')) {
retBol = false;
}
return retBol;
}
}
pgs_entities_Student.java
package com.hypeofpipe.pgs.entities;
//I've reduced import to fit this post into 30k characters
@Entity
public class Student {
@OneToMany(mappedBy = "student")
public Set<Presence> presences =
new HashSet<>();
@Id
@GeneratedValue
private Long id;
@OneToMany
public Set<Subject> subjects =
new HashSet<>();
public Set<Subject> getSubjects() {
return subjects;
}
public Set<Presence> getPresences() {
return presences;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public String getSurname() {
return surname;
}
public String getEmail() {
return email;
}
@JsonIgnore
private String name;
private String surname;
private String email;
private String password;
public Student(String name, String surname, String email, String password) {
this.name = name;
this.surname = surname;
this.email = email;
this.password = password;
}
Student(){
}
}
pgs_entities_Subject.java
package com.hypeofpipe.pgs.entities;
import com.fasterxml.jackson.annotation.JsonIgnore;
//I've reduced import to fit this post into 30k characters
@Entity
public class Subject {
@Id
@GeneratedValue
private Long id;
@OneToMany
public Set<Presence> presences =
new HashSet<>();
@ManyToOne
private Teacher teacher;
@ManyToOne
private Student student;
public Long getId() {
return id;
}
public Set<Presence> getPresences() {
return presences;
}
public Teacher getTeacher() {
return teacher;
}
public String getName() {
return name;
}
@JsonIgnore
private String name;
public Subject(String name,
Teacher teacher,
Student student){
this.name = name;
this.teacher = teacher;
this.student = student;
}
Subject(){
}
}
pgs_entities_Teacher.java
package com.hypeofpipe.pgs.entities;
//I've reduced import to fit this post into 30k characters
@Entity
public class Teacher {
@Id
@GeneratedValue
private Long id;
@OneToMany
public Set<Subject> subjects =
new HashSet<>();
public Long getId() {
return id;
}
public Set<Subject> getSubjects() {
return subjects;
}
public String getName() {
return name;
}
public String getSurname() {
return surname;
}
public String getEmail() {
return email;
}
public String getPassword() {
return password;
}
@JsonIgnore
private String name;
private String surname;
private String email;
private String password;
public Teacher(String name, String surname, String email, String password) {
this.name = name;
this.surname = surname;
this.email = email;
this.password = password;
}
Teacher(){
}
}
pgs_PgsApplication.java
package com.hypeofpipe.pgs;
//I've reduced import to fit this post into 30k characters
import java.util.Arrays;
import java.util.Random;
@SpringBootApplication
public class PgsApplication {
public static void main(String[] args) {
SpringApplication.run(PgsApplication.class, args);
}
@Bean
@Primary
CommandLineRunner init(StudentRepository studentRepository,
PresenceRepository presenceRepository,
SubjectRepository subjectRepository,
TeacherRepository teacherRepository) {
return (evt) -> Arrays.asList(
"sadampol@gmail.com,sromapor@gmail.com,tbazilev@gmail.com".split(","))
.forEach(
a -> {
Student student;
student = studentRepository.save(
new Student(
"" + a.substring(0, 2),
"" + a.substring(2, 4),
a,
"password"
)
);
Teacher teacher =
teacherRepository.save(new Teacher(
"Ba" + a.substring(0, 2),
"Da" + a.substring(2, 4),
a,
"password"
));
Subject subject =
subjectRepository.save(
new Subject(
"Test" + Math.random(),
teacher,
student
)
);
Presence presence =
presenceRepository.save(
new Presence(
student,
subject,
new Random().nextBoolean()
)
);
});
}
}
pgs_repositories_PresenceRepository.java
package com.hypeofpipe.pgs.repositories;
//I've reduced import to fit this post into 30k characters
public interface PresenceRepository extends JpaRepository<Presence, Long> {
Collection<Presence> findByStudentEmail(String email);
}
pgs_repositories_StudentRepository.java
package com.hypeofpipe.pgs.repositories;
//I've reduced import to fit this post into 30k characters
public interface StudentRepository extends JpaRepository<Student, Long> {
Collection<Student> findByEmail(String email);
Collection<Student> findByNameAndSurname(String name, String surname);
}
pgs_repositories_SubjectRepository.java
package com.hypeofpipe.pgs.repositories;
//I've reduced import to fit this post into 30k characters
public interface SubjectRepository extends JpaRepository<Subject, Long> {
Collection<Subject> findByTeacherEmail(String email);
Collection<Subject> findByStudentEmail(String email);
}
pgs_repositories_TeacherRepository.java
package com.hypeofpipe.pgs.repositories;
//I've reduced import to fit this post into 30k characters
public interface TeacherRepository extends JpaRepository<Teacher, Long> {
Optional<Teacher> findByEmail(String email);
}
我将不胜感激。
答案 0 :(得分：0)
我刚刚在Spring Initialazer中重新创建了项目，一切正常。好的。