我试图使用Spring+Spring data JPA+Bootstrap创建CRUD应用程序，但我得到了这个错误

Question

---exec-maven-plugin:1.2.1:exec(default-cli)@bootsample---

启动ApplicationContext时出错。若要显示自动配置报告，请在启用“debug”的情况下重新运行应用程序。2018-06-07 09:09:38.463错误10208---[main]O.S.B.D.LoggingFailureAnalysisReporter：

应用程序启动失败

描述：

要查看错误的完整堆栈跟踪，请使用-e开关重新运行Maven。使用-x开关重新运行Maven以启用完全调试日志记录。

有关错误和可能的解决方案的详细信息，请阅读以下文章：[帮助1]http://cwiki.apache.org/confluence/display/maven/mojoExecutionException

这是我的pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<groupId>com.mycompany</groupId>
<artifactId>BootSample</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>

<name>BootSample</name>

<properties>
    <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.4.2.RELEASE</version>
</parent>

<dependencies>

    <dependency>
        <groupId>javax</groupId>
        <artifactId>javaee-web-api</artifactId>
        <version>7.0</version>
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>

    <!--sqlserver Connector -->
    <dependency>
        <groupId>com.microsoft.sqlserver</groupId>
        <artifactId>sqljdbc4</artifactId>
        <version>4.0</version>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.1</version>
            <configuration>
                <source>1.7</source>
                <target>1.7</target>
                <compilerArguments>
                    <endorseddirs>${endorsed.dir}</endorseddirs>
                </compilerArguments>
            </configuration>
        </plugin>

    </plugins>
</build>

这是我的application.properties文件

spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp

## Spring DATASOURCE (DataSourceAutoConfiguration DataSourceProperties)
spring.datasource.url = jdbc:sqlserver://localhost:8080;databaseName=User
spring.datasource.username = sa
spring.datasource.password = P@ssw0rd
spring.datasource.driver = com.microsoft.sqlserver.jdbc.SQLServerDriver


## Hibernate Properties
# The SQL dialect makes Hibernate generate better SQL for the chosen database
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.SQLServerDialect
logging.level.org.hibernate.SQL = debug

# Hibernate ddl auto (create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto = create

Answer 1

由于您已经在pom.xml中添加了jpa/data starter，因此应该提供任何数据源配置。

如果缺少配置，启动将会抱怨。示例:http://www.kode12.com/kode12/spring-boot/spring-boot-database-connectivity-mysql-web/