构建aws-sdk-go的依赖关系在Go版本1.13上失败

Posted 2021-04-13

我一直在尝试在Go v1.13上构建一个模块，该模块依赖于github.com/aws/aws-lambda-go和github.com/aws/aws-sdk-go，这在两次导入时均失败：

    "github.com/aws/aws-sdk-go/aws/service/s3"
    "github.com/aws/aws-sdk-go/aws/service/s3/s3manager"

对于GOOS=linux GOARCH=amd64 go build -o dist/api ./api，stderr如下，其中api目录包含我的模块定义：

api/main.go:11:2: cannot find package "github.com/aws/aws-sdk-go/aws/service/s3" in any of:
        /usr/local/go/src/github.com/aws/aws-sdk-go/aws/service/s3 (from $GOROOT)
        /u/go/src/github.com/aws/aws-sdk-go/aws/service/s3 (from $GOPATH)
api/main.go:12:2: cannot find package "github.com/aws/aws-sdk-go/aws/service/s3/s3manager" in any of:
        /usr/local/go/src/github.com/aws/aws-sdk-go/aws/service/s3/s3manager (from $GOROOT)
        /u/go/src/github.com/aws/aws-sdk-go/aws/service/s3/s3manager (from $GOPATH)

老实说，我不知道为什么会这样，任何输入都会受到赞赏。

已经尝试使用go get来确保已删除依赖项：

$ go get github.com/aws/aws-sdk-go

并且所请求的导入路径位于$GOPATH/src/github.com/aws/aws-sdk/go/aws/service/s3和$GOPATH/src/github.com/aws/aws-sdk/go/aws/service/s3/s3manager下

此外，还尝试使用go clean --cache --modcache清除缓存，同时删除先前拉出的模块。

[仔细检查，我完全忽略了一点，导入路径是/u/go/src/github.com/aws/aws-sdk-go/aws/service/s3而不是/u/go/src/github.com/aws/aws-sdk-go/service/s3，而前者在aws内有一个附加的aws-sdk-go子路径。

答案

刚刚意识到我在代码中犯的复制/粘贴错误。

import (
    "github.com/aws/aws-sdk-go/aws/service/s3"
    "github.com/aws/aws-sdk-go/aws/service/s3/s3manager"
)

而不是

import (
    "github.com/aws/aws-sdk-go/service/s3"
    "github.com/aws/aws-sdk-go/service/s3/s3manager"
)