我在用Maven。Pom附在下面。从Source上的Spring启动页面启动应用程序。Application.java导入它找不到的SpringApplication。Pom包括必要的(我相信是错的)spring引导依赖项来下载所有的.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework</groupId>
<artifactId>gs-accessing-data-jpa</artifactId>
<version>0.1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.1.4.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
</dependencies>
<properties>
<!-- use UTF-8 for everything -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<start-class>hello.Application</start-class>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<name>Spring Releases</name>
<url>http://repo.spring.io/libs-release</url>
</repository>
<repository>
<id>org.jboss.repository.releases</id>
<name>JBoss Maven Release Repository</name>
<url>https://repository.jboss.org/nexus/content/repositories/releases</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-releases</id>
<name>Spring Releases</name>
<url>http://repo.spring.io/libs-release</url>
</pluginRepository>
</pluginRepositories>
</project>POM的结束。
生成的目标jar有与春启动相关的包,但是包含的org.springframework.boot包缺少。以下是jar -tvf的快照
317609 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-1.1.4.RELEASE.jar
341668 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-autoconfigure-1.1.4.RELEASE.jar
2183 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-starter-logging-1.1.4.RELEASE.jar
2139 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-starter-tomcat-1.1.4.RELEASE.jar
2267 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-starter-data-jpa-1.1.4.RELEASE.jar
**2169 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-starter-aop-1.1.4.RELEASE.jar
2177 Mon Jul 14 10:10:28 PDT 2014 lib/spring-boot-starter-jdbc-1.1.4.RELEASE.jar
0 Mon Jul 14 10:10:28 PDT 2014 org/springframework/boot/
0 Mon Jul 14 10:10:28 PDT 2014 org/springframework/boot/loader/
1722 Tue Jul 08 02:17:24 PDT 2014 org/springframework/boot/loader/PropertiesLauncher$ArchiveEntryFilter.class**
1967 Tue Jul 08 02:17:24 PDT 2014 org/springframework/boot/loader/PropertiesLauncher$PrefixMatchingArchiveFilter.class请注意org/springframework/boot,后面没有类,然后转到org.Spring框架/boot/加载程序包.
我错过了什么?
发布于 2014-07-19 20:46:58
运行mvn spring-boot:run而不是
mvn clean install确实起作用了。
Spring Boot是一个伟大的项目;也使用了Spring-Data。同样伟大的是--热爱支持SQL和NoSQL (Mongo) DB的JPA抽象,它们的语义非常相似!
然而,有一点值得关注的是:每一个新的Spring框架项目都让我们远离了“底层”的东西,我担心我们是否增加了太多的抽象层,而这些抽象层的价值与清晰度的比率一直在下降。
https://stackoverflow.com/questions/24742261
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