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基于beego的后台管理系统
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执行./hello -syncdb表创建成功，浏览器访问报错：runtime error: invalid memory address or nil pointer dereference #68

Open AlwaysKO opened 6 years ago

AlwaysKO commented 6 years ago

按照文档步骤（之前是没有加admin.conf中的配置，导致报错。后来看到评论有说就表创建成功了），最后运行时也没有报错，访问时就报错了： 2018/09/21 15:39:24 INFO ▶ 0001 Using 'beegoAdminTest' as 'appname' 2018/09/21 15:39:24 INFO ▶ 0002 Initializing watcher... 2018/09/21 15:39:28 SUCCESS ▶ 0003 Built Successfully! 2018/09/21 15:39:28 INFO ▶ 0004 Restarting 'beegoAdminTest.exe'... 2018/09/21 15:39:28 SUCCESS ▶ 0005 './beegoAdminTest.exe' is running... Starting.... Start ok 2018/09/21 15:39:30.365 [I] [asm_amd64.s:2337] http server Running on http://:8 080 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] the request url is / 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] Handler crashed with error runtim e error: invalid memory address or nil pointer dereference 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/asm_amd64.s:509 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/panic.go:491 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/panic.go:63 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/signal_windows. go:161 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] D:/LNMP/gowww/src/github.com/asta xie/beego/controller.go:610 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] D:/LNMP/gowww/src/github.com/beeg o/admin/src/rbac/public.go:30 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/asm_amd64.s:509 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/reflect/value.go:434 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/reflect/value.go:302 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] D:/LNMP/gowww/src/github.com/asta xie/beego/router.go:847 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/net/http/server.go:2619 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/net/http/server.go:1801 2018/09/21 15:39:33.666 [C] [asm_amd64.s:509] C:/Go/src/runtime/asm_amd64.s:233 7 2018/09/21 15:39:33.666 [server.go:2846] [HTTP] http: multiple response.WriteHe ader calls

有人遇到过这个问题吗

AlwaysKO commented 6 years ago

我看到好多问题都没有人回答，我已经找到问题了，我来自问自答吧。 解决办法： 在main入口函数中添加：beego.BConfig.WebConfig.Session.SessionOn = true， 或者在配置文件中添加：sessionon = true

Kylelkh commented 5 years ago

这个错误是由于session没有设置，beego默认的session是没有打开的，这个时候我们需要在项目运行之初，将session打开。 在main.go中的main函数中添加如下代码 beego.BConfig.WebConfig.Session.SessionOn = true