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java - Intellij cannot find Maven Dependencies in pom.xml

问题描述

I am new to the spring boot framework and I'm trying to import the Maven libraries, but I keep getting an error with my pom.xml. Please Help!

Failure to transfer org.springframework.boot:spring-boot-starter-parent:pom:2.0.4.RELEASE from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.springframework.boot:spring-boot-starter-parent:pom:2.0.4.RELEASE from/to central (https://repo.maven.apache.org/maven2): repo.maven.apache.org

Dependency 'org.springframework.boot:spring-boot-starter-web:' not found less... (Ctrl+F1) Inspection info: Inspects a Maven model for resolution problems.

Plugin 'org.springframework.boot:spring-boot-maven-plugin:2.0.4.RELEASE' not found less... (Ctrl+F1) Inspection info: Inspects a Maven model for resolution problems.

Here is my pom.xml below:

<?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.cierra</groupId>
<artifactId>spring-boot</artifactId>
<version>0.0.1-SNAPSHOT</version>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.0.4.RELEASE</version>
</parent>


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

<properties>
    <java.version>1.8</java.version>
</properties>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <version>2.0.4.RELEASE</version>
        </plugin>
    </plugins>
</build>


</project>

标签： javaspringmavenspring-mvcspring-boot

解决方案

这可能是由于它无法连接和传输 pom.xml 文件中指定的依赖项。尝试连接的详细信息必须在 .m2 文件夹下的 settings.xml 中提及

尝试在 pom.xml 文件中添加 pluginRepositories：

<pluginRepositories>
    <pluginRepository>
        <id>spring-snapshots</id>
        <url>http://repo.spring.io/libs-snapshot</url>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </pluginRepository>
</pluginRepositories>

尝试在 pom.xml 的 repositories 元素中添加以下存储库元素

<repository>
        <id>spring-snapshots</id>
        <name>Spring Snapshots</name>
        <url>https://repo.spring.io/snapshot</url>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </repository>
    <repository>
        <id>spring-milestones</id>
        <name>Spring Milestones</name>
        <url>https://repo.spring.io/milestone</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>

如果设置得当，请更改您的 updatePolicy 设置。

 <repository>
      <id>myRepo</id>
      <name>My Repository</name>
      <releases>
        <enabled>false</enabled>
        <updatePolicy>always</updatePolicy>
        <checksumPolicy>warn</checksumPolicy>
      </releases>
     </repository>

参考问题。

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