使用gradle从nexus服务器复制最新的jar文件

Question

使用gradle从nexus服务器复制最新的jar文件

Dav*_*Far 11 nexus gradle maven build.gradle

我正在尝试com.bar.baz:mapping:0.0.1-SNAPSHOT使用Gradle从Nexus服务器复制最新的jar文件（）。

使用以下build.gradle可以下载特定版本：

apply plugin: "java"

repositories {
    maven {
        credentials  {
            username = "${mavenUser}"
            password = "${mavenPassword}"
        }
        url "https://nexus.cluster.foo.cloud/repository/maven-snapshots"
        authentication {
            basic(BasicAuthentication)
        }
    }
}

configurations {
    copyConf
}

dependencies {
    copyConf group: "com.bar.baz", name: "mapping", version: "0.0.1-20190508.085532-7"
}

task copyTask(type: Copy) {
    from configurations.copyConf
    into "."
}

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但是我想下载最新0.0.1-SNAPSHOT版本，而不是特定0.0.1-20190508.085532-7版本。那可能吗？怎么样？

使用version "latest.integration"而不是"0.0.1-20190508.085532-7"（并调用gradle copyTask --refresh-dependencies --stacktrace）会产生：

FAILURE: Build failed with an exception.

* What went wrong: Could not resolve all files for configuration ':copyConf'.
> Could not find any matches for com.bar.baz:mapping:latest.integration as no versions
of com.bar.baz:mapping are available.   Searched in
the following locations:
      https://nexus.cluster.foo.cloud/repository/maven-snapshots/com/ba/baz/mapping/maven-metadata.xml
      https://nexus.cluster.foo.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/maven-metadata.xml
      https://nexus.cluster.foo.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190508.085534-8.pom
      https://nexus.cluster.foo.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190508.085534-8.jar
Required by:
      project :

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

* Exception is: org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException:
Could not resolve all files for configuration ':copyConf'.
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure(DefaultConfiguration.java:918)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.access$1600(DefaultConfiguration.java:116)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationFileCollection.getFiles(DefaultConfiguration.java:892)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.getFiles(DefaultConfiguration.java:404)
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration_Decorated.getFiles(Unknown
Source)
        at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext$FileTreeConverter.convertInto(DefaultFileCollectionResolveContext.java:206)
        at org.gradle.api.internal.file.collections.DefaultFileCollectionResolveContext.doResolve(DefaultFileCollectionResolveContext.java:116)
…

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更新：

使用version "0.0.1-SNAPSHOT"而不是"0.0.1-20190508.085532-7"（并调用gradle copyTask --refresh-dependencies --stacktrace）会产生几乎相同的错误，唯一的区别是：

第2行改为：

找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。
找不到位置 https://nexus.cluster.foo.cloud/repository/maven-snapshots/com/ba/baz/mapping/maven-metadata.xml

使用version "0.0.1"而不是"0.0.1-20190508.085532-7"（并调用gradle copyTask --refresh-dependencies --stacktrace）会产生：

FAILURE: Build failed with an exception.

* What went wrong:
Could not resolve all files for configuration ':copyConf'.
> Could not resolve com.bar.baz:mapping:0.0.1.
  Required by:
      project :
   > Could not resolve com.bar.baz:mapping:0.0.1.
      > Could not get resource 'https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1/mapping-0.0.1.pom'.
         > Could not GET 'https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1/mapping-0.0.1.pom'. Received status code 400 from server: Bad Request

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

* Exception is:
org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException: Could not resolve all files for configuration ':copyConf'.
        at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure(DefaultConfiguration.java:918)
...

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另一个更新：

使用以下pom.xml从nexus服务器使用maven复制最新的jar文件可以正常工作：

<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.bar.baz</groupId>
  <artifactId>TAndMapping</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>${project.artifactId}</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <mapping>mapping</mapping>
  </properties>
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>3.1.1</version>
        <executions>
          <execution>
            <id>copy</id>
            <phase>package</phase>
            <goals>
              <goal>copy</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <artifactItems> 
            <artifactItem>
              <groupId>com.bar.baz</groupId>
              <artifactId>${mapping}</artifactId>
              <version>0.0.1-SNAPSHOT</version>
              <type>jar</type>
              <overWrite>true</overWrite>
              <destFileName>${mapping}.jar</destFileName>   
            </artifactItem>
          </artifactItems>
          <overWriteSnapshots>true</overWriteSnapshots>
        </configuration>
      </plugin> 
    </plugins>
  </build>
  <repositories>
    <repository>
      <id>nexus-snapshots</id>
      <name>Snapshot</name>
      <url>https://nexus.cluster.regulator.cloud/repository/maven-snapshots/</url>
    </repository>
  </repositories>
</project>

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另一个更新：切换到Gradle 5.4.1，我得到了一些不同的堆栈跟踪：

对于版本latest.integration：

异常是：org.gradle.api.tasks.TaskExecutionException：任务'：copyTask'的执行失败。在org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.executeTask（EventFiringTaskExecuter.java:73）在org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:38）在org.org。在org.gradle的gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.call（EventFiringTaskExecuter.java:52）在org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.call（EventFiringTaskExecuter.java:49）在org.gradle。 org.gradle.internal.operations.DefaultBuildOperationExecutor $ CallableBuildOperationWorker.execute（DefaultBuildOperationExecutor.DefaultBuildOperationExecutor.java:416）的internal.operations.DefaultBuildOperationExecutor $ CallableBuildOperationWorker.execute（DefaultBuildOperationExecutor.java:416）202），位于org.gradle.execution.plan.DefaultPlanExecutor $ ExecutorWorker.executeNextNode（DefaultPlanExecutor.java:193），位于org.gradle.execution.plan.DefaultPlanExecutor $ ExecutorWorker.run（DefaultPlanExecutor.java:129），位于org.gradle.internal org.gradle.internal.concurrent.ManagedExecutorImpl $ 1.run（ManagedExecutorImpl.java:46）上的.concurrent.ExecutorPolicy $ CatchAndRecordFailures.onExecute（ExecutorPolicy.java:63）在org.gradle.internal.concurrent.ThreadFactoryImpl $ ManagedThreadRunnable。 ThreadFactoryImpl.java:55）由以下原因引起：org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration $ ArtifactResolveException：无法解析配置'：copyConf'的所有文件。在org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure（DefaultConfiguration.java：org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95）的FinalizePropertiesTaskExecuter.execute（FinalizePropertiesTaskExecuter.java:46）在org.gradle.api.internal.tasks.executionNo.SkipTask在org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）处的SkipTaskWithNoActionsExecuter.java:57）在org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter。 36）... 24更多原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有可用的com.bar.baz：mapping版本。。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（Execute.FinalizePropertiesTaskExecuter.java:46）在org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95）在org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（ java：57）位于org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）位于org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36） ... 24更多原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有可用的com.bar.baz：mapping版本。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（Execute.FinalizePropertiesTaskExecuter.java:46）在org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95）在org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（ java：57）位于org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）位于org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36） ... 24更多原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有可用的com.bar.baz：mapping版本。在以下位置搜索：org.gradle.api.internal.task上的task.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95）位于org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57） org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36）处的SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）... 24以上原因：org.gradle.internal.resolve.ModuleVersionNotFoundException ：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有可用的com.bar.baz：mapping版本。在以下位置搜索：org.gradle.api.internal.task上的task.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95）位于org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57） org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36）处的SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）... 24以上原因：org.gradle.internal.resolve.ModuleVersionNotFoundException ：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有可用的com.bar.baz：mapping版本。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）处执行org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57） execute（CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有com.bar版本.baz：可用映射。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）处执行org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57） execute（CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有com.bar版本.baz：可用映射。在以下位置搜索：execute（CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有com.bar版本.baz：可用映射。在以下位置搜索：execute（CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：latest.integration的任何匹配项，因为没有com.bar版本.baz：可用映射。在以下位置搜索：

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/maven-metadata.xml

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/maven-metadata.xml

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190510.001602-2.pom

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190510.001602-2.jar 项目必填：项目：

对于版本0.0.1-SNAPSHOT：

异常是：org.gradle.api.tasks.TaskExecutionException：任务'：copyTask'的执行失败。在org.org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:38）在org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.executeTask（EventFiringTaskExecuter.java:73）在org。在org.gradle的gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.call（EventFiringTaskExecuter.java:52）在org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter $ 1.call（EventFiringTaskExecuter.java:49）在org.gradle。位于org.gradle.internal.operations.DefaultBuildOperationExecutor $ CallableBuildOperationWorker.execute（DefaultBuildOperationExecutor.java：的internal.operations.DefaultBuildOperationExecutor $ CallableBuildOperationWorker.execute（DefaultBuildOperationExecutor.java:416）org.gradle.execution.plan.DefaultPlanExecutor $ ExecutorWorker.run（DefaultPlanExecutor.java:129）上的execute.plan.DefaultPlanExecutor $ ExecutorWorker.executeNextNode（DefaultPlanExecutor.java:193）org.gradle.internal.concurrent.ExecutorPolicy $ CatchAndRecordFailures。在org.gradle.internal.concurrent.ThreadFactoryImpl $ ManagedThreadRunnable.run（ThreadFactoryImpl.java:55）上的org.gradle.internal.concurrent.ManagedExecutorImpl $ 1.run（ManagedExecutorImpl.java:46）上的onExecute（ExecutorPolicy.java:63）创建人：org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration $ ArtifactResolveException：无法解析配置'：copyConf'的所有文件。在org.gradle.api.internal.artifacts的org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure（DefaultConfiguration.java:1195）处。46）在org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57）在org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute（ResolveTaskExecutionModeExecuter.java:95） .gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36）... 24个以上的原因创建人：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）处SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57）在org.gradle.api.internal.tasks.execution.CatchExceptionTask处CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。在以下位置搜索：在org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute（SkipOnlyIfTaskExecuter.java:56）处SkipTaskWithNoActionsExecuter.execute（SkipTaskWithNoActionsExecuter.java:57）在org.gradle.api.internal.tasks.execution.CatchExceptionTask处CatchExceptionTaskExecuter.java:36）...还有24个原因：org.gradle.internal.resolve.ModuleVersionNotFoundException：找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。在以下位置搜索：ModuleVersionNotFoundException：找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。在以下位置搜索：ModuleVersionNotFoundException：找不到com.bar.baz：mapping：0.0.1-SNAPSHOT。在以下位置搜索：

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/maven-metadata.xml

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190510.001602-2.pom

https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1-SNAPSHOT/mapping-0.0.1-20190510.001602-2.jar 项目必填：项目：

对于版本0.0.1：

异常是：org.gradle.api.tasks.TaskExecutionException：任务'：copyTask'的执行失败。在org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:38）...... org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute（CatchExceptionTaskExecuter.java:36） ... 24更多原因：org.gradle.internal.resolve.ModuleVersionResolveException：无法解析com.bar.baz：mapping：0.0.1。必需：项目：引起原因：org.gradle.internal.resolve.ModuleVersionResolveException：无法解析com.bar.baz：mapping：0.0.1。造成原因：org.gradle.api.resources.ResourceException：无法获取资源' https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1/mapping- 0.0.1。磅'。在org.gradle.internal.resource.ResourceExceptions.failure（ResourceExceptions.java:74）
.... org.gradle.internal.concurrent.ThreadFactoryImpl $ ManagedThreadRunnable.run（ThreadFactoryImpl.java:55）原因：org.gradle。 internal.resource.transport.http.HttpErrorStatusCodeException：无法获取' https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1/mapping-0.0.1。绒球'。从服务器接收到状态代码400：org.gradle.internal.concurrent.ThreadFactoryImpl $ ManagedThreadRunnable.run（org.gradle.internal.

Answer 1

Lou*_*met 3

看起来你正在得到

org.gradle.internal.resource.transport.http.HttpErrorStatusCodeException: Could not GET 'https://nexus.cluster.regulator.cloud/repository/maven-snapshots/com/bar/baz/mapping/0.0.1/mapping-0.0.1.pom'. Received status code 400 from server: Bad Request

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鉴于此，最可能的解释是存储库的配置错误。检查为 Maven 设置的身份验证类型，或者检查您的内部组织在接受与 Nexus 实例的连接之前是否有其他检查。

编辑问题后编辑

maven-metadata.xml很明显，Nexus 中的文件与 Gradle 解析的文件不匹配。

从代码中可以看出：

if ("metadata/versioning/snapshot/timestamp".equals(getContext())) {
    mavenMetadata.timestamp = getText();
}
if ("metadata/versioning/snapshot/buildNumber".equals(getContext())) {
    mavenMetadata.buildNumber = getText();
}
if ("metadata/versioning/versions/version".equals(getContext())) {
    mavenMetadata.versions.add(getText().trim());
}

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Gradle 只查看节点snapshot而不查看snapshotVersions节点。

那里有两个选择：

发布另一个快照并查看是否可以解决maven-metadata.xml不一致问题。
针对 Gradle 提出问题，要求改进对这些极端情况的支持

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