编译器无法解析io.ktor.client.features.logging中的类

问题描述

我正在尝试为Android应用程序中的Ktor http请求添加日志记录.根据文档，我必须添加gradle依赖

I'm trying to add logging for Ktor http requests in Android application. According to docs I have to add gradle dependency

implementation "io.ktor:ktor-client-logging:$ktor_version"

并使用此代码段

val client = HttpClient() {
    install(Logging) {
        logger = Logger.DEFAULT
        level = LogLevel.HEADERS
    }
}

问题是编译器忽略"软件包io.ktor.client.features.logging添加为依赖项.奇怪的是，JsonFeature(作为类似的依赖项添加)工作得很好.

Problem is that compiler "ignores" package 'io.ktor.client.features.logging' added as a dependency. What's strange is that JsonFeature (added as similar dependency) works just fine.

install(JsonFeature) { // perfectly works
...
}

install(Logging) { // unresolved reference
...
}

我已经检查了gradle添加到项目中的.jar文件，它包含所有预期的类，我可以打开它们并查看源代码，但不可思议的是不能在我的应用程序中使用.经过数小时的研究，我想这可能与gradle元数据有关，或者日志记录功能是多平台的，并且需要一些额外的gradle配置，但是不幸的是，我不是gradle专家.

I already checked .jar file that gradle added to the project, it contains all expected classes, I can open them and see the source code, but magically just can't use in my app. After hours of research I guess it may be somehow related to gradle metadata or that logging feature is multiplatform and some additional gradle configuration is required, but unfortunately I'm not a gradle expert.

我尝试将enableFeaturePreview("GRADLE_METADATA")添加到settings.gradle，但是没有效果.甚至尝试将"-jvm"添加到依赖项.

I tried adding enableFeaturePreview("GRADLE_METADATA") to settings.gradle, but no effect. Even tried to add "-jvm" to dependency.

implementation "io.ktor:ktor-client-logging-jvm:$ktor_version"

有了这种依赖关系，Android Studio成功找到了程序包，但是编译失败并出现以下错误

With this dependency Android Studio finding package successfully, but fails to compile with following error

More than one file was found with OS independent path 'META-INF/ktor-http.kotlin_module'

任何人都可以阐明如何为Ktor记录器正确配置依赖项吗?

Can anyone please clarify how to properly configure dependency for Ktor logger?

推荐答案

对于ktor-client-logging，您必须为每个平台设置依赖项:

For the ktor-client-logging you have to have the dependency set for each platform:

commonMain {
    dependencies {
        implementation "ch.qos.logback:logback-classic:1.2.3"
        implementation "io.ktor:ktor-client-logging:$ktor_version"
    }
}

androidMain {
    dependencies {
        implementation "io.ktor:ktor-client-logging-jvm:$ktor_version"
    }
}

iosMain {
    dependencies {
        implementation "io.ktor:ktor-client-logging-native:$ktor_version"
    }
}

对于元，将

添加到android {}块内的app/build.gradle中:

android {
    packagingOptions {
        exclude 'META-INF/common.kotlin_module'
        exclude 'META-INF/*.kotlin_module'
    }
}

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