找不到Spring Boot Starter Parent 2.0.0依赖项

Question

我决定将spring-boot-starter-parent升级到2.0.0.M1版本，以便与Spring Core 5.0.0.RC1一起使用。

但是，我在从Spring里程碑存储库下载依赖项时遇到问题。

我的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.test.testapplication</groupId>
<artifactId>application</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.0.M1</version>
</parent>

<repositories>
    <repository>
        <id>repository.spring.milestone</id>
        <name>Spring Milestone Repository</name>
        <url>http://repo.spring.io/milestone</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.test.testplugin</groupId>
            <artifactId>plugin</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>com.test.testutils</groupId>
            <artifactId>utils</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
        </dependency>
    </dependencies>
</dependencyManagement>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>

<properties>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
</properties>
</project>

我有一个“ clean Sheat” .m2 settings.xml，并且已经清理了本地存储库，并确保可以连接到Spring里程碑存储库。

[INFO] ------------------------------------------------------------------------
[INFO] Building application 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
Downloading: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-maven-plugin/2.0.0.M1/spring-boot-maven-plugin-2.0.0.M1.pom
[WARNING] The POM for org.springframework.boot:spring-boot-maven-plugin:jar:2.0.0.M1 is missing, no dependency information available
Downloading: https://repo.maven.apache.org/maven2/org/springframework/boot/spring-boot-maven-plugin/2.0.0.M1/spring-boot-maven-plugin-2.0.0.M1.jar
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
.
.
.

[INFO] plugin ............................................. SUCCESS [  0.327 s]
[INFO] application ........................................ FAILURE [  0.881 s]
[INFO] webapp ............................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
.
.
.
.
.

[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.springframework.boot:spring-boot-maven-plugin:2.0.0.M1 or one of its dependencies could not be resolved: Could not find artifact org.springframework.boot:spring-boot-maven-plugin:jar:2.0.0.M1 in central (https://repo.maven.apache.org/maven2) -> [Help 1]

Answer 1

将Spring Plugin Release Repo添加到中Plugin-Repositories。这样就可以找到了spring-boot-maven- plugin-2.0.0.M1.jar。我已经看到它包含在该回购中

将以下各行添加到<project>标记下，如下所示：

<project>
<!------ others lines -->
    <pluginRepositories>
        <pluginRepository>
            <id>repository.spring.release</id>
            <name>Spring GA Repository</name>
            <url>https://repo.spring.io/plugins-release/</url>
        </pluginRepository>
    </pluginRepositories>
</project>

编辑

由于我没有com.test.testplugin，我已经检查了以下内容。请删除<dependencyManagement>和放在<dependencies>下面<project>。最终pom.xml看起来像：

<?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.test.testapplication</groupId>
    <artifactId>application</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.M1</version>
    </parent>

    <pluginRepositories>
        <pluginRepository>
            <id>repository.spring.release</id>
            <name>Spring GA Repository</name>
            <url>https://repo.spring.io/plugins-release/</url>
        </pluginRepository>
    </pluginRepositories>

    <repositories>
        <repository>
            <id>repository.spring.milestone</id>
            <name>Spring Milestone Repository</name>
            <url>https://repo.spring.io/milestone</url>
        </repository>
    </repositories>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
</project>