无法启动 Spring Boot 应用程序
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【中文标题】无法启动 Spring Boot 应用程序【英文标题】：Cannot start Spring Boot Application 【发布时间】：2020-02-12 23:15:13 【问题描述】：无法启动应用程序。每次我在控制台上看到这个。
2019-10-16 16:00:32.557 INFO 3496 --- [restartedMain] com.zaxxer.hikari.HikariDataSource：HikariPool-1 - 关闭 完成。
2019-10-16 16:00:32.566 INFO 3496 --- [restartedMain] o.apache.catalina.core.StandardService : 停止服务 [Tomcat]
到目前为止，我没有收到任何错误，我在控制台上看到的是 Stopping service [Tomcat] 。
即使我更改了工作目录，我也尝试了很多次。但没有运气。
即使我更改了端口号，但我没有看到任何进展。请你帮我弄清楚。
我的 pom.xml 文件如下：
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>net.guides.springboot</groupId>
<artifactId>registration-login-springboot-security-thymeleaf</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>registration-login-springboot-security-thymeleaf</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<!-- <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId>
<version>1.7.5</version> </dependency> <dependency> <groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId> <version>1.7.5</version> </dependency> -->
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-springsecurity4</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.3</version>
</dependency>
<!-- bootstrap and jquery -->
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>3.3.7</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery</artifactId>
<version>3.2.1</version>
</dependency>
<!-- mysql connector -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<!-- testing -->
<!-- <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope> </dependency> -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
.properties 文件
server.port=8083
spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp
spring.datasource.url = jdbc:mysql://localhost:3306/dashboard_local?useSSL=false
spring.datasource.username = root
spring.datasource.password = root
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5InnoDBDialect
spring.jpa.hibernate.ddl-auto = update
日志如下：
2019-10-16 16:34:45.368 INFO 1388 --- [ restartedMain] com.app.dash.DashApplication : Starting DashApplication on LAPTOP-UH51ORMM with PID 1388 (E:\Download-E\RawTxn\27thSept\Dash\target\classes started by user in E:\Download-E\RawTxn\27thSept\Dash)
2019-10-16 16:34:45.372 INFO 1388 --- [ restartedMain] com.app.dash.DashApplication : No active profile set, falling back to default profiles: default
2019-10-16 16:34:45.448 INFO 1388 --- [ restartedMain] ConfigServletWebServerApplicationContext : Refreshing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@37115abe: startup date [Wed Oct 16 16:34:45 SGT 2019]; root of context hierarchy
2019-10-16 16:34:46.993 INFO 1388 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$60543c7c] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-10-16 16:34:47.961 INFO 1388 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8081 (http)
2019-10-16 16:34:47.999 INFO 1388 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-10-16 16:34:47.999 INFO 1388 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.32
2019-10-16 16:34:48.012 INFO 1388 --- [ost-startStop-1] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files\Java\jre1.8.0_221\bin;C:\windows\Sun\Java\bin;C:\windows\system32;C:\windows;C:/Program Files/Java/jre1.8.0_221/bin/server;C:/Program Files/Java/jre1.8.0_221/bin;C:/Program Files/Java/jre1.8.0_221/lib/amd64;C:\Program Files\Microsoft MPI\Bin\;C:\Program Files (x86)\Business Objects\Common\3.5\bin\NOTES\;C:\Program Files (x86)\Business Objects\Common\3.5\bin\NOTES\DATA\;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\windows\system32;C:\windows;C:\windows\System32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\windows\System32\OpenSSH\;%JAVA_HOME%\bin;%JUNIT_HOME%\junit-4.10.jar;C:\Program Files (x86)\Microsoft SQL Server\90\Tools\binn\;C:\Program Files (x86)\Microsoft SQL Server\150\DTS\Binn\;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn\;C:\Program Files\Microsoft SQL Server\140\Tools\Binn\;C:\Program Files\Microsoft SQL Server\140\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Binn\;C:\Users\user\AppData\Local\Programs\Python\Python37-32\Scripts\;C:\Users\user\AppData\Local\Programs\Python\Python37-32\;C:\Program Files\MySQL\MySQL Shell 8.0\bin\;C:\Users\user\AppData\Local\atom\bin;C:\windows\System32;;.]
2019-10-16 16:34:48.188 INFO 1388 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-10-16 16:34:48.188 INFO 1388 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 2744 ms
2019-10-16 16:34:48.341 INFO 1388 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2019-10-16 16:34:48.342 INFO 1388 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2019-10-16 16:34:48.342 INFO 1388 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2019-10-16 16:34:48.343 INFO 1388 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2019-10-16 16:34:48.343 INFO 1388 --- [ost-startStop-1] .s.DelegatingFilterProxyRegistrationBean : Mapping filter: 'springSecurityFilterChain' to: [/*]
2019-10-16 16:34:48.344 INFO 1388 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Servlet dispatcherServlet mapped to [/]
2019-10-16 16:34:48.791 INFO 1388 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2019-10-16 16:34:49.321 INFO 1388 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2019-10-16 16:34:49.438 INFO 1388 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default'
2019-10-16 16:34:49.495 INFO 1388 --- [ restartedMain] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [
name: default
...]
2019-10-16 16:34:49.698 INFO 1388 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate Core 5.2.17.Final
2019-10-16 16:34:49.702 INFO 1388 --- [ restartedMain] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found
2019-10-16 16:34:49.823 INFO 1388 --- [ restartedMain] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations 5.0.1.Final
2019-10-16 16:34:50.101 INFO 1388 --- [ restartedMain] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL5InnoDBDialect
2019-10-16 16:34:51.408 INFO 1388 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2019-10-16 16:34:51.682 WARN 1388 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfiguration': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.app.dash.service.UsersService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: @org.springframework.beans.factory.annotation.Autowired(required=true)
2019-10-16 16:34:51.683 INFO 1388 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2019-10-16 16:34:51.685 INFO 1388 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2019-10-16 16:34:51.699 INFO 1388 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.
2019-10-16 16:34:51.705 INFO 1388 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
【问题讨论】：
请发布您的 .property 文件 请同时发布您的控制台日志 请显示 application.properties 配置 你能在调试中运行你的 maven 构建吗：mvn spring-boot:run --debug。发布您的属性/yml 文件和调试日志。 ***.com/questions/51857478/… 【参考方案1】：根据这行日志：
Error creating bean with name 'securityConfiguration': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.app.dash.service.UsersService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: @org.springframework.beans.factory.annotation.Autowired(required=true)
缺少 UserServive 接口的实现。
【讨论】：
【参考方案2】：来自完整日志：
2019-10-16 16:34:51.682 WARN 1388 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'securityConfiguration': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.app.dash.service.UsersService' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: @org.springframework.beans.factory.annotation.Autowired(required=true)
UserService 似乎有问题。你能检查一下吗？
【讨论】：
【参考方案3】：检查天气 UserServive 类有 @Service 或 @Component 注释。 @Component 注解将 java 类标记为 bean，因此 spring 的组件扫描机制可以将其拾取并将其拉入应用程序上下文。 @Service 注解也是组件注解的特化。
【讨论】：
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