During the build, one or more dependencies that were declared without a version failed to resolve

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于 2018-12-11 19:40:43 发布

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分类专栏：构建工具

本文链接：https://blog.youkuaiyun.com/qiaojj/article/details/84960539

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本文详细解析了在使用Gradle构建项目时遇到的依赖冲突问题，特别是关于Spring Boot的starter-web依赖未能正确解析的情况。通过引入正确的平台依赖，即'spring-boot-dependencies'并使用platform关键字，成功解决了构建失败的问题。

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Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.0/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 2s
1 actionable task: 1 executed

During the build, one or more dependencies that were declared without a version failed to resolve:
org.springframework.boot:spring-boot-starter-web:

Did you forget to apply the io.spring.dependency-management plugin to the gradle-spring-boot-project project?

分析解决：

下面为报错的配置

dependencies {

implementation 'org.springframework.boot:spring-boot-dependencies:2.0.5.RELEASE'
implementation 'org.springframework.boot:spring-boot-starter-web'

增加platform关键字，改为下面的方式

dependencies {
    // import a BOM
    implementation platform('org.springframework.boot:spring-boot-dependencies:2.0.5.RELEASE')

参考资料增加platform关键字后，上述错误消失