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当我使用Spring Tool Suite在Eclipse中运行它时，My Spring Boot应用程序未启动Tomcat服务器。在youtube演练中，它显示出它应该在添加tomcat启动依赖项后自动工作，同样根据页面教程我没有看到任何错误。怎么了？Spring Boot未启动Tomcat 8
的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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>com.example</groupId>
<artifactId>wymysl2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>wymysl2</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.2.7.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<tomcat.version>8.0.15</tomcat.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</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-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.37</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.1.Final</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-commons-core</artifactId>
<version>1.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
控制台输出：
. ____ _ __ _ _
/\\/___'_ __ _ _(_)_ __ __ _ \ \ \ \
(()\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ))))
' |____| .__|_| |_|_| |_\__, |////
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.2.7.RELEASE)
2015-11-04 19:29:55.718 INFO 5812 --- [ main] regularmikey.wymysl.Wymysl2Application : Starting Wymysl2Application on Michal-k with PID 5812 (E:\workspace\wymysl2\target\classes started by Michal in E:\workspace\wymysl2)
2015-11-04 19:29:55.778 INFO 5812 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.spring[email protected]13e16fd: startup date [Wed Nov 04 19:29:55 CET 2015]; root of context hierarchy
2015-11-04 19:29:57.370 INFO 5812 --- [ main] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default'
2015-11-04 19:29:57.405 INFO 5812 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [
name: default
...]
2015-11-04 19:29:57.520 INFO 5812 --- [ main] org.hibernate.Version : HHH000412: Hibernate Core {4.3.11.Final}
2015-11-04 19:29:57.522 INFO 5812 --- [ main] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found
2015-11-04 19:29:57.524 INFO 5812 --- [ main] org.hibernate.cfg.Environment : HHH000021: Bytecode provider name : javassist
2015-11-04 19:29:57.852 INFO 5812 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {4.0.5.Final}
2015-11-04 19:29:58.647 INFO 5812 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
2015-11-04 19:29:58.841 INFO 5812 --- [ main] o.h.h.i.ast.ASTQueryTranslatorFactory : HHH000397: Using ASTQueryTranslatorFactory
2015-11-04 19:29:59.283 INFO 5812 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000227: Running hbm2ddl schema export
Hibernate: drop table if exists person
Hibernate: create table person (id_per integer not null auto_increment, additional varchar(255), city varchar(255), contact_email varchar(255), country varchar(255), email varchar(255), gender varchar(255), name varchar(255), password varchar(255), surname varchar(255), primary key (id_per))
2015-11-04 19:29:59.556 INFO 5812 --- [ main] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000230: Schema export complete
2015-11-04 19:30:00.176 INFO 5812 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2015-11-04 19:30:00.200 INFO 5812 --- [ main] regularmikey.wymysl.Wymysl2Application : Started Wymysl2Application in 4.741 seconds (JVM running for 5.477)
2015-11-04 19:30:00.201 INFO 5812 --- [ Thread-1] s.c.a.AnnotationConfigApplicationContext : Closing org.spring[email protected]13e16fd: startup date [Wed Nov 04 19:29:55 CET 2015]; root of context hierarchy
2015-11-04 19:30:00.202 INFO 5812 --- [ Thread-1] o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
2015-11-04 19:30:00.204 INFO 5812 --- [ Thread-1] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2015-11-04 19:30:00.204 INFO 5812 --- [ Thread-1] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000227: Running hbm2ddl schema export
Hibernate: drop table if exists person
2015-11-04 19:30:00.293 INFO 5812 --- [ Thread-1] org.hibernate.tool.hbm2ddl.SchemaExport : HHH000230: Schema export complete