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Project build error: Non-resolvable parent POM for com.example:demo-1:0.0.1-SNAPSHOT: Failure to transfer org.springframework.boot:spring-boot-starter-parent:pom:1.5.4.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:1.5.4.RELEASE from/to central (https://repo.maven.apache.org/maven2): repo.maven.apache.org: nodename nor servname provided, or not known and 'parent.relativePath' points at no local POM
解决方法:
方法一:cmd进入出错项目代码的根目录,里面有pom.xml文件, mvn 编译一下(语句:mvn compile ),完成之后右键项目 Maven——Update Project 即可。
方法二:Failure from https://repo.maven.apache.org/maven2 ,换一下仓库地址,到eclipse-window-preferences-maven-user settings-user settings:C:\Users\60341\.m2\settings.xml 找到该目录下的settings.xml ,将仓库地址替换为aliyun的。
<mirrors>
<!-- 由阿里云提供的Maven中央仓库镜像 -->
<mirror>
<id>nexus-aliyun</id>
<name>Nexus aliyun</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<mirrorOf>*</mirrorOf>
</mirror>
<!-- 由 Apache 提供的仓库 -->
<mirror>
<id>apache-repo</id>
<name>apache Repository</name>
<url>https://repository.apache.org/content/groups/public/</url>
<mirrorOf>apache-repo</mirrorOf> <!-- 注意,这里必须写 apache-repo -->
</mirror>
</mirrors>
完成之后右键项目 Maven——Update Project 即可。
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