项目构建错误:
不可解析的父 POM for com.example:demo:0.0.1-SNAPSHOT:无法传输 org.springframework.boot:spring-boot-starter-parent:pom:1.5.2.RELEASE 从 https://repo.maven.apache.org/maven2 缓存在本地存储库中,在 central 的更新间隔过去或强制更新之前,不会重新尝试解析。原始错误:无法传输工件 org.springframework.boot:spring-boot-starter-parent:pom:1.5.2.RELEASE 从/到中心 (https://repo.maven.apache.org/maven2(:连接超时,并且没有本地 POM 的"parent.relativePath"点
如何解决问题?
这是我POM.XML
文件:
<?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>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.2.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
尝试强制更新依赖项。您的 .m2 可能有问题。MVN 全新安装 -U