gradle - 在使用 Gradle、Spring Boot 插件和 Nexus 的安装任务期间找不到工件-6ren

gradle - 在使用 Gradle、Spring Boot 插件和 Nexus 的安装任务期间找不到工件

转载作者：行者123 更新时间：2023-12-03 03:22:56

在 Gradle 项目使用 Spring Boot 插件 , 和联系 repo 经理，我遇到了ArtifactNotFoundException install期间任务。

给出更多解释，如线程 Unable to publish to local maven repo when using Gradle and Spring Boot 中所述，为了避免 Spring Boot 错误，我添加了与 spring-boot-started-parent 的关系pom 在安装任务中。

这样做，我面临以下堆栈跟踪:

$ gradle install --stacktrace
:compileJava
:processResources UP-TO-DATE
:classes
:jar
:installDownloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://central
Error transferring file: central
Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://repo1.maven.org/maven2
Error transferring file: repo1.maven.org
 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':install'.
> Could not publish configuration 'archives'
   > Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6

* Try:
Run with --info or --debug option to get more log output.

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':install'.
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
        at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
        at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
        at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
        at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)
        at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
        at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
        at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
        at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:296)
        at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)
        at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)
        at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)
        at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23)
        at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:86)
        at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:29)
        at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
        at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
        at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67)
        at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
        at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
        at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:54)
        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:148)
        at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:105)
        at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:85)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:81)
        at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33)
        at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:39)
        at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:45)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:35)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:24)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.StartStopIfBuildAndStop.execute(StartStopIfBuildAndStop.java:33)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.ReturnResult.execute(ReturnResult.java:34)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:71)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:69)
        at org.gradle.util.Swapper.swap(Swapper.java:38)
        at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:69)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:60)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:45)
        at org.gradle.launcher.daemon.server.DaemonStateCoordinator.runCommand(DaemonStateCoordinator.java:184)
        at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy.doBuild(StartBuildOrRespondWithBusy.java:49)
        at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.HandleStop.execute(HandleStop.java:30)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.DaemonHygieneAction.execute(DaemonHygieneAction.java:39)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.CatchAndForwardDaemonFailure.execute(CatchAndForwardDaemonFailure.java:32)
        at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
        at org.gradle.launcher.daemon.server.exec.DefaultDaemonCommandExecuter.executeCommand(DefaultDaemonCommandExecuter.java:51)
        at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.handleCommand(DefaultIncomingConnectionHandler.java:155)
        at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.receiveAndHandleCommand(DefaultIncomingConnectionHandler.java:128)
        at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.run(DefaultIncomingConnectionHandler.java:116)
        at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64)
Caused by: org.gradle.api.artifacts.PublishException: Could not publish configuration 'archives'
        at org.gradle.api.tasks.Upload.upload(Upload.java:66)
        at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63)
        at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:218)
        at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:211)
        at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:200)
        at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:570)
        at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:553)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
        ... 66 more
Caused by: Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6
        at org.apache.maven.artifact.ant.Pom.initialiseMavenProject(Pom.java:217)
        at org.apache.maven.artifact.ant.AbstractArtifactTask.initializePom(AbstractArtifactTask.java:527)
        at org.apache.maven.artifact.ant.InstallDeployTaskSupport.initializePom(InstallDeployTaskSupport.java:59)
        at org.apache.maven.artifact.ant.InstallTask.doExecute(InstallTask.java:50)
        at org.gradle.api.publication.maven.internal.ant.CustomInstallTask.doExecute(CustomInstallTask.java:34)
        at org.apache.maven.artifact.ant.AbstractArtifactTask.execute(AbstractArtifactTask.java:751)
        at org.gradle.api.publication.maven.internal.ant.AbstractMavenResolver.execute(AbstractMavenResolver.java:111)
        at org.gradle.api.publication.maven.internal.ant.AbstractMavenResolver.publish(AbstractMavenResolver.java:102)
        at org.gradle.api.publication.maven.internal.ant.AbstractMavenResolver.publish(AbstractMavenResolver.java:80)
        at org.gradle.api.internal.artifacts.ivyservice.DefaultIvyDependencyPublisher.publish(DefaultIvyDependencyPublisher.java:42)
        at org.gradle.api.internal.artifacts.ivyservice.IvyBackedArtifactPublisher$1.execute(IvyBackedArtifactPublisher.java:79)
        at org.gradle.api.internal.artifacts.ivyservice.IvyBackedArtifactPublisher$1.execute(IvyBackedArtifactPublisher.java:54)
        at org.gradle.internal.Transformers$3.transform(Transformers.java:131)
        at org.gradle.api.internal.artifacts.ivyservice.DefaultIvyContextManager.withIvy(DefaultIvyContextManager.java:61)
        at org.gradle.api.internal.artifacts.ivyservice.DefaultIvyContextManager.withIvy(DefaultIvyContextManager.java:39)
        at org.gradle.api.internal.artifacts.ivyservice.IvyBackedArtifactPublisher.publish(IvyBackedArtifactPublisher.java:54)
        at org.gradle.api.tasks.Upload.upload(Upload.java:64)
        ... 74 more
Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6
        at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1396)
        at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
        at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
        at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
        at org.apache.maven.artifact.ant.Pom.initialiseMavenProject(Pom.java:211)
        ... 90 more
Caused by: org.apache.maven.project.ProjectBuildingException: POM 'org.springframework.boot:spring-boot-starter-parent' not found in repository: Unable to download the artifact from any repository

  org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE

from the specified remote repositories:
  central (http://repo1.maven.org/maven2)

 for project org.springframework.boot:spring-boot-starter-parent
        at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:605)
        at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1392)
        ... 94 more
Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException: Unable to download the artifact from any repository

  org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE

from the specified remote repositories:
  central (http://repo1.maven.org/maven2)


        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:228)
        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
        at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:558)
        ... 95 more
Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to download the artifact from any repository
        at org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:404)
        at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216)
        ... 97 more

使用 --debug 时，我还发现:

11:10:30.612 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://central
11:10:32.887 [ERROR] [system.err] Error transferring file: central
11:10:32.888 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://central): Error transferring file: central
11:10:32.889 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://repo1.maven.org/maven2
11:10:35.152 [ERROR] [system.err] Error transferring file: repo1.maven.org
11:10:35.153 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://repo1.maven.org/maven2): Error transferring file: repo1.maven.org
11:10:35.156 [INFO] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] An error has occurred while processing the Maven artifact tasks.
 Diagnosis:

Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.toto:myproject:jar:1.0.6 for project com.toto:myproject:jar:1.0.6
Unable to download the artifact from any repository

乍一看，这个错误似乎很容易理解:在 Nexus 上找不到工件 ( spring-boot-starter-parent)。
问题是我的 Nexus 配置为访问 Maven Central 以获取依赖项(如果未托管 ) .

我检查了我的组、工件 ID 和版本是否正确 ( org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE)。
在那一点上没问题，我可以在 Maven Central 站点上找到这种依赖关系。

检查问题是否来自 spring-boot-starter-parent 的方式被声明(在安装任务中，而不是在 dependencies 部分)，我创建了一个非常简单的 Maven 项目，具有以下 pom.xml :

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.2.3.RELEASE</version>
    </parent>

    <groupId>toto</groupId>
    <artifactId>maven-test-project</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <name>Draft project</name>

</project>

这个项目和它的pom没有问题，spring-boot-starter-parent被检索到， 添加到代理存储库的 Nexus 存储 针对 Maven 中心:

enter image description here

那是 Gradle 并非如此 ，这让我觉得这个问题是 Gradle 特有的。

作为一种解决方法， 如果我在 Nexus 中托管工件，Gradle 构建工作正常 .
作为一种解决方法，如果我的本地存储库中存在依赖项，则 Gradle 构建工作正常。
但是，如果有人对如何解决这个问题有一些线索，它会让我不必在每个新版本中手动添加依赖项的版本。

编辑 20150415

为了帮助理解这个问题，这里是我的 build.gradle :

// Declare elements required by the build itself
buildscript {

    project.ext {
        bootVersion = '1.2.3.RELEASE'
    }

    repositories {
        mavenLocal()
      maven {
         url 'http://mynexus.net.intra:8080/nexus/content/groups/public/'
         credentials {
            username 'someUsername'
            password 'somePassword'
         }
      }
    }

    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${project.bootVersion}")
    }
}

apply plugin: 'java'
targetCompatibility = 1.8
sourceCompatibility = 1.8

apply plugin: 'eclipse'
apply plugin: 'maven'
apply plugin: 'spring-boot'

// To configure the Maven plugin
project.group = 'com.mygroup'
// If project.version is not set, artifactId is taken by default, from folder name
project.version = '1.0.6'

// required to install the jar on local Maven repo, when using the Spring Boot plugin 
// check https://stackoverflow.com/questions/23665976/unable-to-publish-to-local-maven-repo-when-using-gradle-and-spring-boot
// !!!! Careful !!!! You could be forced to manually add the dependency declared in this section in your local repo, to have the script work 
install {
    repositories.mavenInstaller {
        pom.project {
          parent {
            groupId 'org.springframework.boot'
            artifactId 'spring-boot-starter-parent'
            version "${project.bootVersion}"
          }
        }
    }
}

jar {
    baseName = 'myjar'
}

repositories {
    mavenLocal()
  maven {
    url 'http://mynexus.fr.net.intra:8080/nexus/content/groups/public/'
    credentials {
      username 'someUsername'
      password 'somePassword'
    }
  }
}

dependencies {
    compile("org.springframework.boot:spring-boot-starter-web")
    compile("org.springframework.boot:spring-boot-starter-data-jpa")
    compile("org.hibernate:hibernate-entitymanager")
    compile("oracle:ojdbc6:12.1.0.1")

    testCompile("junit:junit")
}

sourceSets {
    main {
        java {
            srcDir 'src/java'
        }
        resources {
            srcDir 'conf/java'
        }
    }
}

要回答几个评论，并检查我的 Nexus 是否已正确声明， 我删除了ojdbc6来自我的本地仓库和 Gradle 缓存 ，然后我重新启动了 gradle install .
以下是日志:

$ gradle clean install
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: http://gradle.org/docs/2.0/userguide/gradle_daemon.html.
:clean
:compileJava
Download http://mynexus.fr.net.intra:8080/nexus/content/groups/public/oracle/ojdbc6/12.1.0.1/ojdbc6-12.1.0.1.jar
:processResources
:classes
:jar
:installDownloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://central
Error transferring file: central
Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://repo1.maven.org/maven2
Error transferring file: repo1.maven.org
 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':install'.
> Could not publish configuration 'archives'
   > Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 14.268 secs

从 ojdbc6 依赖项可以看出， Nexus用于解决它 .
现在在我看来， 中没有考虑我的 Nexus 声明。安装任务定义 .
我将在本节中寻找一种阅读此声明的方法。

谢谢，
托马斯

最佳答案

我进行了更多调查，现在我确信这个问题来自 Gradle 中的错误 install任务 .

首先，这是我的 Maven settings.xml 中的 Nexus 配置:

[...]
<mirrors>

    <mirror>
        <id>nexus</id>
        <mirrorOf>*</mirrorOf>
        <url>http://mynexus.net.intra:8080/nexus/content/groups/public/</url>
    </mirror>

[...]
</mirrors>

[...]
<profiles>
    <profile>
        <id>nexus</id>
        <!-- Enable snapshots for the built in central repo to direct -->
        <!-- all requests to nexus via the mirror -->
        <repositories>
            <repository>
                <id>central</id>
                <url>http://central</url>
                <releases>
                    <enabled>true</enabled>
                    <updatePolicy>always</updatePolicy>
                </releases>
                <snapshots>
                    <enabled>true</enabled>
                    <updatePolicy>always</updatePolicy>
                </snapshots>
            </repository>
        </repositories>
        <pluginRepositories>
            <pluginRepository>
                <id>central</id>
                <url>http://central</url>
                <releases>
                    <enabled>true</enabled>
                    <updatePolicy>always</updatePolicy>
                </releases>
                <snapshots>
                    <enabled>true</enabled>
                    <updatePolicy>always</updatePolicy>
                </snapshots>
            </pluginRepository>
        </pluginRepositories>
    </profile>

    [...]
</profiles>

[...]

现在，这是我在 install task 中的经典问题, 使用 --debug选项:

14:11:38.995 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':install'
14:11:38.996 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':install' is up-to-date
14:11:38.998 [INFO] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Executing task ':install' (up-to-date check took 0.002 secs) due to:
  Task has not declared any outputs.
14:11:38.999 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':install'.
14:11:39.000 [INFO] [org.gradle.api.Task] Publishing configuration: configuration ':archives'
14:11:39.005 [INFO] [org.gradle.api.internal.artifacts.ivyservice.DefaultIvyDependencyPublisher] Publishing to org.gradle.api.publication.maven.internal.ant.BaseMavenInstaller@71a6c033
14:11:39.034 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.PropertyHelper
14:11:39.035 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected Java version: 1.8 in: C:\tools\Java\jdk1.8.0_25\jre
14:11:39.035 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected OS: Windows 7
14:11:39.044 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.ComponentHelper
14:11:39.048 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Project base dir set to: C:\workspace\myjar
14:11:39.084 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Maven Ant Tasks version: 2.1.3
14:11:39.088 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
14:11:39.129 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
14:11:39.257 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: org.codehaus.plexus.PlexusContainer
14:11:39.318 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
14:11:39.320 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
14:11:39.345 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://central
14:11:41.623 [ERROR] [system.err] Error transferring file: central
14:11:41.623 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://central): Error transferring file: central
14:11:41.624 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://repo1.maven.org/maven2
14:11:43.894 [ERROR] [system.err] Error transferring file: repo1.maven.org
14:11:43.895 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://repo1.maven.org/maven2): Error transferring file: repo1.maven.org
14:11:43.897 [INFO] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] An error has occurred while processing the Maven artifact tasks.
 Diagnosis:

Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6
Unable to download the artifact from any repository


14:11:43.898 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':install'

我们看到 Gradle 首先尝试从 http://central 获取依赖项。，然后从 http://repo1.maven.org/maven2 (通常的 Maven 中心)。

如果我改变我的 Maven settings.xml ，从 http://central 修改中央存储库的 URL至 http://toto ，日志变为:

11:21:29.746 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':install' is up-to-date
11:21:29.747 [INFO] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Executing task ':install' (up-to-date check took 0.001 secs) due to:
  Task has not declared any outputs.
11:21:29.748 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':install'.
11:21:29.749 [INFO] [org.gradle.api.Task] Publishing configuration: configuration ':archives'
11:21:29.757 [INFO] [org.gradle.api.internal.artifacts.ivyservice.DefaultIvyDependencyPublisher] Publishing to org.gradle.api.publication.maven.internal.ant.BaseMavenInstaller@3bd6b327
11:21:29.783 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.PropertyHelper
11:21:29.784 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected Java version: 1.8 in: C:\tools\Java\jdk1.8.0_25\jre
11:21:29.784 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected OS: Windows 7
11:21:29.794 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.ComponentHelper
11:21:29.797 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Project base dir set to: C:\workspace\myjar
11:21:29.830 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Maven Ant Tasks version: 2.1.3
11:21:29.833 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
11:21:29.873 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
11:21:29.992 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: org.codehaus.plexus.PlexusContainer
11:21:30.048 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
11:21:30.051 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
11:21:30.075 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://toto
11:21:30.088 [ERROR] [system.err] Error transferring file: toto
11:21:30.089 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://toto): Error transferring file: toto
11:21:30.090 [ERROR] [system.err] Downloading: org/springframework/boot/spring-boot-starter-parent/1.2.3.RELEASE/spring-boot-starter-parent-1.2.3.RELEASE.pom from repository central at http://repo1.maven.org/maven2
11:21:32.354 [ERROR] [system.err] Error transferring file: repo1.maven.org
11:21:32.355 [INFO] [system.out] [WARNING] Unable to get resource 'org.springframework.boot:spring-boot-starter-parent:pom:1.2.3.RELEASE' from repository central (http://repo1.maven.org/maven2): Error transferring file: repo1.maven.org
11:21:32.357 [INFO] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] An error has occurred while processing the Maven artifact tasks.
 Diagnosis:

Unable to initialize POM pom-default.xml: Cannot find parent: org.springframework.boot:spring-boot-starter-parent for project: com.mygroup:myjar:jar:1.0.6 for project com.mygroup:myjar:jar:1.0.6
Unable to download the artifact from any repository


11:21:32.358 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':install'

可以看出，Gradle 现在首先尝试从 http://toto 获取依赖项。，然后它仍然会转到 Maven 中心。
这意味着 Gradle:

有效阅读我的 Maven settings.xml

但是 在安装任务中无法访问 Maven 镜像定义

对我来说， 主要问题在这里 .

最后， 如果我现在添加 spring-boot-starter-parent对我的 Maven 本地存储库的依赖 ，日志变为:

14:14:08.474 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Starting to execute task ':install'
14:14:08.474 [DEBUG] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Determining if task ':install' is up-to-date
14:14:08.475 [INFO] [org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter] Executing task ':install' (up-to-date check took 0.001 secs) due to:
  Task has not declared any outputs.
14:14:08.475 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter] Executing actions for task ':install'.
14:14:08.476 [INFO] [org.gradle.api.Task] Publishing configuration: configuration ':archives'
14:14:08.481 [INFO] [org.gradle.api.internal.artifacts.ivyservice.DefaultIvyDependencyPublisher] Publishing to org.gradle.api.publication.maven.internal.ant.BaseMavenInstaller@74eaee53
14:14:08.504 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.PropertyHelper
14:14:08.504 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected Java version: 1.8 in: C:\tools\Java\jdk1.8.0_25\jre
14:14:08.505 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Detected OS: Windows 7
14:14:08.515 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: ant.ComponentHelper
14:14:08.519 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Project base dir set to: C:\workspace\myjar
14:14:08.555 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Maven Ant Tasks version: 2.1.3
14:14:08.558 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
14:14:08.599 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
14:14:08.725 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] Adding reference: org.codehaus.plexus.PlexusContainer
14:14:08.798 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\Users\536355\.m2\settings.xml
14:14:08.800 [DEBUG] [org.gradle.api.internal.project.ant.AntLoggingAdapter] [ant:null] Loading Maven settings file: C:\workspace\maven-3.0.4\conf\settings.xml
14:14:08.892 [INFO] [system.out] [INFO] Installing C:\workspace\myjar\target\libs\myjar-1.0.6.jar to C:\workspace\maven-3.0.4\repository\com\mygroup\myjar\1.0.6\myjar-1.0.6.jar
14:14:08.905 [DEBUG] [org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter] Finished executing task ':install'

在这种情况下，构建成功。

所以，根据这些线索， 我建议 Gradle 安装任务中存在一个错误 ，严重考虑了 Maven 中的 repo 配置 settings.xml .

关于gradle - 在使用 Gradle、Spring Boot 插件和 Nexus 的安装任务期间找不到工件，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/29627505/

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gradle - 在使用 Gradle、Spring Boot 插件和 Nexus 的安装任务期间找不到工件