恐慌：运行时错误：无效的内存地址或零指针解除引用

我目前正在使用Soundcloud包装Go，我想打印用户的追随者，但这是我第一次遇到指针问题。恐慌：运行时错误：无效的内存地址或零指针解除引用

建设误差

panic: runtime error: invalid memory address or nil pointer dereference 
[signal 0xb code=0x1 addr=0x10 pc=0xc9c26]

代码

package main 

import (
    "fmt" 
    "github.com/njasm/gosoundcloud" 
) 


func main() { 
    // callback url is optional - nil in example 
    s, _ := gosoundcloud.NewSoundcloudApi("Client_Id", "Client_Secret", nil) 
    var userID uint64 = 1 
    member, err := s.GetUser(userID) 
    if err != nil { 
       panic(err) 
    } 
    fmt.Println(member.Followers) 
}

建设

goroutine 1 [running]: 
panic(0x3508c0, 0xc82000a0b0) 
    /usr/local/go/src/runtime/panic.go:481 +0x3e6 
net/http.(*Client).doFollowingRedirects(0x0, 0xc8200d0000, 0x4611c8, 0x0, 0x0, 0x0) 
    /usr/local/go/src/net/http/client.go:429 +0x66 
net/http.(*Client).Do(0x0, 0xc8200d0000, 0x8, 0x0, 0x0) 
    /usr/local/go/src/net/http/client.go:188 +0xff 
github.com/njasm/gosoundcloud.(*SoundcloudApi).do(0xc8200c8720, 0xc8200d0000, 0xc820012f00, 0x0, 0x0) 
    /Users/ManuelDao/Documents/GoBot/src/github.com/njasm/gosoundcloud/soundcloud.go:217 +0x4b 
github.com/njasm/gosoundcloud.(*SoundcloudApi).Get(0xc8200c8720, 0xc820012f00, 0x22, 0x0, 0x1, 0x0, 0x0) 
    /Users/ManuelDao/Documents/GoBot/src/github.com/njasm/gosoundcloud/soundcloud.go:92 +0xe1 
github.com/njasm/gosoundcloud.(*SoundcloudApi).GetUser(0xc8200c8720, 0x1, 0x417a80, 0x0, 0x0) 
     /Users/ManuelDao/Documents/GoBot/src/github.com/njasm/gosoundcloud/soundcloud.go:276 +0xc6 
main.main() 
     /Users/ManuelDao/Documents/GoBot/src/GoBot/GoBot.go:24 +0x70 
exit status 2

来源

2016-05-15 Juanvulcano

我以前从未使用过该LIB后之后，但它看起来像你忘了自己的身份验证。

s, _ := gosoundcloud.NewSoundcloudApi("Client_Id", "Client_Secret", nil) 
if err = s.PasswordCredentialsToken("[email protected]", "your_password"); err != nil { 
    // handle err 
}

也许这样的事情？

来源

2016-05-15 01:26:45

不是真的，要获取数据，它不应该有必要用api登录。这里有一个链接到图书馆https://godoc.org/github.com/njasm/gosoundcloud – Juanvulcano

嗯，我只是尝试了你的确切例子，它失败了相同的零指针错误。用'PasswordCredentialsToken'获得令牌后，一切正常。我已经在https://github.com/njasm/gosoundcloud上检查了这个例子 –

我插入了你的代码，它告诉我没有定义的错误，在Go中我比较新。你是怎么处理这个错误的？ – Juanvulcano

恐慌：运行时错误：无效的内存地址或零指针解除引用

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