由于 gradle 依赖项不可用，无法构建 https://github.com/reactor/reactor-samples

Question

我使用 Gradle 插件在 eclipse 中克隆并导入了 gradle 项目。

但我收到所有反应堆类的导入错误。项目中引用的BUILD.SNAPSHOTS的None可以找到。

./gradlew compileJava :编译Java

失败：构建失败，出现异常。

出了什么问题：无法解析配置“:compile”的所有依赖项。

Could not find io.projectreactor:reactor-stream:2.5.0.BUILD-SNAPSHOT. Searched in the following locations: file:/Users/debasish/.m2/repository/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml file:/Users/debasish/.m2/repository/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.pom file:/Users/debasish/.m2/repository/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.jar https://repo1.maven.org/maven2/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://repo1.maven.org/maven2/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.pom https://repo1.maven.org/maven2/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.jar http://repo.spring.io/release/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml http://repo.spring.io/release/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.pom http://repo.spring.io/release/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.jar https://jcenter.bintray.com/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://jcenter.bintray.com/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.pom https://jcenter.bintray.com/io/projectreactor/reactor-stream/2.5.0.BUILD-SNAPSHOT/reactor-stream-2.5.0.BUILD-SNAPSHOT.jar Required by: io.projectreactor.springone:reactor-samples:0.2.0 Could not find io.projectreactor:reactor-bus:2.5.0.BUILD-SNAPSHOT. Searched in the following locations: file:/Users/debasish/.m2/repository/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml file:/Users/debasish/.m2/repository/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.pom file:/Users/debasish/.m2/repository/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.jar https://repo1.maven.org/maven2/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://repo1.maven.org/maven2/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.pom https://repo1.maven.org/maven2/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.jar http://repo.spring.io/release/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml http://repo.spring.io/release/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.pom http://repo.spring.io/release/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.jar https://jcenter.bintray.com/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://jcenter.bintray.com/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.pom https://jcenter.bintray.com/io/projectreactor/reactor-bus/2.5.0.BUILD-SNAPSHOT/reactor-bus-2.5.0.BUILD-SNAPSHOT.jar Required by: io.projectreactor.springone:reactor-samples:0.2.0 Could not find io.projectreactor:reactor-groovy:2.5.0.BUILD-SNAPSHOT. Searched in the following locations: file:/Users/debasish/.m2/repository/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml file:/Users/debasish/.m2/repository/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.pom file:/Users/debasish/.m2/repository/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.jar https://repo1.maven.org/maven2/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://repo1.maven.org/maven2/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.pom https://repo1.maven.org/maven2/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.jar http://repo.spring.io/release/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml http://repo.spring.io/release/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.pom http://repo.spring.io/release/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.jar https://jcenter.bintray.com/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://jcenter.bintray.com/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.pom https://jcenter.bintray.com/io/projectreactor/reactor-groovy/2.5.0.BUILD-SNAPSHOT/reactor-groovy-2.5.0.BUILD-SNAPSHOT.jar Required by: io.projectreactor.springone:reactor-samples:0.2.0 Could not find io.projectreactor.spring:reactor-spring-context:2.5.0.BUILD-SNAPSHOT. Searched in the following locations: file:/Users/debasish/.m2/repository/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml file:/Users/debasish/.m2/repository/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.pom file:/Users/debasish/.m2/repository/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.jar https://repo1.maven.org/maven2/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://repo1.maven.org/maven2/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.pom https://repo1.maven.org/maven2/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.jar http://repo.spring.io/release/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml http://repo.spring.io/release/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.pom http://repo.spring.io/release/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.jar https://jcenter.bintray.com/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/maven-metadata.xml https://jcenter.bintray.com/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.pom https://jcenter.bintray.com/io/projectreactor/spring/reactor-spring-context/2.5.0.BUILD-SNAPSHOT/reactor-spring-context-2.5.0.BUILD-SNAPSHOT.jar Required by: io.projectreactor.springone:reactor-samples:0.2.0
尝试：运行使用 --stacktrace 选项获取堆栈跟踪。运行使用 --info 或 --debug 选项以获得更多日志输出。

构建失败

Answer 1

当前示例需要 recator 的 2.5 BUILD SNAPSHOT 版本。由于此快照版本在 Maven Central 上不可用，因此您必须手动构建它，以便它出现在您的 .m2/repo 中，然后您才能构建示例。

Answer 2

或者我们刚刚升级到 2.5.0.BUILD-SNAPSHOT 并且扩展回购是落后的，它至少应该很快在 repo.spring.io 上发布，并且无论如何都会在本月发布 M1。对于上周我们刚刚启动此更改给您带来的不便，我们深表歉意。

Answer 3

我想到了一个更简单的解决方案 - 遗憾的是样本本身没有配置此条目。理想情况下，它应该是因为示例引用快照。

只需添加一个存储库条目以指向 spring 个快照，您就可以找到构建快照:)

repositories {
  mavenLocal()
  mavenCentral()
  maven { url 'http://repo.spring.io/libs-snapshot' }
  jcenter()
}

由于 gradle 依赖项不可用，无法构建 https://github.com/reactor/reactor-samples

cannot build https://github.com/reactor/reactor-samples due to lack of availability of gradle dependencies

reactor

project-reactor