問題背景

項目生產環境因為各種原因，不允許訪問maven倉庫，只能將本地下載完成的倉庫打包上傳到服務器上。maven構建命令如下：

mvn clean package -Pprod -Dmaven.test.skip=true -o

其中-o標識離線模式。同時也需要在maven的setting.xml文件中指定離線模式：

問題現象

報錯信息如下：

[ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact com.fasterxml.jackson:jackson-bom:pom:2.10.0 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 629, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact io.micrometer:micrometer-bom:pom:1.3.1 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 1027, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact io.netty:netty-bom:pom:4.1.43.Final has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 1034, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact io.projectreactor:reactor-bom:pom:Dysprosium-SR1 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 1046, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact io.rsocket:rsocket-bom:pom:1.0.0-RC5 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 1108, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.apache.logging.log4j:log4j-bom:pom:2.12.1 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 1797, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.eclipse.jetty:jetty-bom:pom:9.4.22.v20191022 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 2105, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.glassfish.jersey:jersey-bom:pom:2.29.1 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 2239, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.jetbrains.kotlin:kotlin-bom:pom:1.3.50 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 2581, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.jetbrains.kotlinx:kotlinx-coroutines-bom:pom:1.3.2 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 2588, column 19 -> [Help 2] [ERROR] Non-resolvable import POM: Cannot access nexus (http://maven.xxxyyy.com/nexus/content/groups/public/) in offline mode and the artifact org.junit:junit-bom:pom:5.5.2 has not been downloaded from it before. @ org.springframework.boot:spring-boot-dependencies:2.2.1.RELEASE, /mvnrepo/org/springframework/boot/spring-boot-dependencies/2.2.1.RELEASE/spring-boot-dependencies-2.2.1.RELEASE.pom, line 2615, column 19 -> [Help 2]

解決方案

在本地倉庫根目錄下，執行以下命令：

find . -name "_remote.repositories" | xargs rm

該命令會刪除所有子目錄下_remote.repositories文件。

參考

https://stackoverflow.com/questions/16866978/maven-cant-find-my-local-artifacts/16870552

總結

以上是生活随笔為你收集整理的maven离线（offline）构建时无法找到本地依赖 Non-resolvable import POM: Cannot access nexus的全部內容，希望文章能夠幫你解決所遇到的問題。

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