Spring Boot/Gradle/Querydsl项目有相同的依赖依赖于不同版本的另一个依赖

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【中文标题】Spring Boot/Gradle/Querydsl项目有相同的依赖依赖于不同版本的另一个依赖【英文标题】:Spring Boot/Gradle/Querydsl project has the same dependency dependent on different versions of another dependency 【发布时间】:2019-12-23 01:28:06 【问题描述】:

我在将 Querydsl 添加到我的 Spring Boot 项目时遇到问题。我的build.gradle 文件中有以下依赖项:

dependencies 
    annotationProcessor 'com.querydsl:querydsl-apt:4.1.3:jpa'
    annotationProcessor 'org.springframework.boot:spring-boot-starter-data-jpa'

    implementation 'com.querydsl:querydsl-jpa:4.1.3'

    implementation 'org.springframework.boot:spring-boot-starter-web'
    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
    implementation 'org.springframework.boot:spring-boot-starter-security'
    implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-client'
    implementation 'org.springframework.security.oauth.boot:spring-security-oauth2-autoconfigure:2.1.3.RELEASE'
    implementation 'org.springframework.cloud:spring-cloud-config-client:2.1.0.RELEASE'

    implementation 'mysql:mysql-connector-java'

    implementation 'io.springfox:springfox-swagger2:2.9.2'
    implementation 'io.springfox:springfox-swagger-ui:2.9.2'
    implementation 'io.springfox:springfox-bean-validators:2.9.2'
    implementation group: 'org.latencyutils', name: 'LatencyUtils', version: '2.0.3'

    testImplementation 'org.springframework.boot:spring-boot-starter-test'
    testImplementation 'org.springframework.security:spring-security-test'
    testImplementation 'junit:junit:4.12'
    testImplementation 'org.mockito:mockito-inline:2.23.4'

项目构建良好,但是当我运行它时,出现以下错误:

An attempt was made to call the method com.google.common.collect.FluentIterable.concat(Ljava/lang/Iterable;Ljava/lang/Iterable;)Lcom/google/common/collect/FluentIterable; but it does not exist. Its class, com.google.common.collect.FluentIterable, is available from the following locations:

    jar:file:/C:/Users/me/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/18.0/cce0823396aa693798f8882e64213b1772032b09/guava-18.0.jar!/com/google/common/collect/FluentIterable.class
    jar:file:/C:/Users/me/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/20.0/89507701249388e1ed5ddcf8c41f4ce1be7831ef/guava-20.0.jar!/com/google/common/collect/FluentIterable.class

It was loaded from the following location:

    file:/C:/Users/me/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/18.0/cce0823396aa693798f8882e64213b1772032b09/guava-18.0.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of com.google.common.collect.FluentIterable

IntelliJ 中的 Gradle 窗口显示如下:

为什么com.querydsl:querydsl-core:4.2.1 的每个实例都依赖于不同版本的番石榴?

【问题讨论】:

你节省了我的时间,谢谢。 【参考方案1】:

Guava 18.0 版本来自 querydsl,20.0 来自 spring-fox swagger。

spring-fox 库期望调用 guava 20.0 版的方法。但从 18.0. (因为类路径中有两个不同版本的番石榴库)

您可以使用以下代码来避免guava的冲突版本。

// QueryDsl
implementation("com.querydsl:querydsl-jpa:$querydslVersion")
annotationProcessor("org.hibernate.javax.persistence:hibernate-jpa-2.1-api:1.0.2.Final")
annotationProcessor("com.querydsl:querydsl-apt:$querydslVersion:jpa") 
    exclude group: "come.google.guava"

annotationProcessor("com.google.guava:guava:20.0")

【讨论】:

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