【 TiDB 使用环境】 /测试
【复现路径】登录dashboard报错
查了一下，以为是权限问题，然后建立了dashboardAdmin账号，报同样错误
又查了报错，说是mysql 连接提交的进程卡住了，然后重启tidb，依然报错
从建立集群到现在的操作
除了一些sqlmod的操作，添加过
server_configs:
tidb:
proxy-protocol.networks:
生产环境没添加此参数，使用正常
想到这里啊哈哈
我把这个参数删了就好了，好了，(艹皿艹 )
【资源配置】
6台机器 16c64G2000G硬盘
【附件：截图/日志/监控】
pd日志
粘贴文字版方便其他人检索
[2023/11/23 18:46:14.042 +08:00] [WARN] [client.go:158] ["Unknown error occurred while opening TiDB connection"] [error="commands out of sync. You can't run this command now"]
[2023/11/23 18:46:14.042 +08:00] [WARN] [error.go:89] ["Error when handling request"] [uri=/dashboard/api/user/login] [remoteAddr=10.1.118.171:1645] [errorFullText="authenticate failed, cause: error.api.user.signin.other: commands out of sync. You can't run this command now\n at github.com/pingcap/tidb-dashboard/pkg/apiserver/user/sqlauth.(*Authenticator).Authenticate()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/apiserver/user/sqlauth/sqlauth.go:40\n at github.com/pingcap/tidb-dashboard/pkg/apiserver/user.(*AuthService).authForm()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/apiserver/user/auth.go:218\n at github.com/pingcap/tidb-dashboard/pkg/apiserver/user.NewAuthService.func1()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/apiserver/user/auth.go:110\n at github.com/breeswish/gin-jwt/v2.(*GinJWTMiddleware).LoginHandler()\n\t/go/pkg/mod/github.com/breeswish/gin-jwt/v2@v2.6.4-jwt-patch/auth_jwt.go:437\n at github.com/pingcap/tidb-dashboard/pkg/apiserver/user.(*AuthService).LoginHandler()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/apiserver/user/auth.go:314\n at github.com/gin-gonic/gin.(*Context).Next()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/context.go:165\n at github.com/pingcap/tidb-dashboard/util/rest.ErrorHandlerFn.func1()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/util/rest/error.go:70\n at github.com/gin-gonic/gin.(*Context).Next()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/context.go:165\n at github.com/gin-contrib/gzip.Gzip.func2()\n\t/go/pkg/mod/github.com/gin-contrib/gzip@v0.0.1/gzip.go:47\n at github.com/gin-gonic/gin.(*Context).Next()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/context.go:165\n at github.com/gin-gonic/gin.CustomRecoveryWithWriter.func1()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/recovery.go:99\n at github.com/gin-gonic/gin.(*Context).Next()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/context.go:165\n at github.com/gin-gonic/gin.(*Engine).handleHTTPRequest()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/gin.go:489\n at github.com/gin-gonic/gin.(*Engine).ServeHTTP()\n\t/go/pkg/mod/github.com/gin-gonic/gin@v1.7.4/gin.go:445\n at github.com/pingcap/tidb-dashboard/pkg/apiserver.(*Service).handler()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/apiserver/apiserver.go:244\n at net/http.HandlerFunc.ServeHTTP()\n\t/usr/local/go/src/net/http/server.go:2109\n at github.com/pingcap/tidb-dashboard/pkg/utils.(*ServiceStatus).NewStatusAwareHandler.func1()\n\t/go/pkg/mod/github.com/pingcap/tidb-dashboard@v0.0.0-20221201151320-ea3ee6971f2e/pkg/utils/service_status.go:67\n at net/http.HandlerFunc.ServeHTTP()\n\t/usr/local/go/src/net/http/server.go:2109\n at net/http.(*ServeMux).ServeHTTP()\n\t/usr/local/go/src/net/http/server.go:2487\n at go.etcd.io/etcd/embed.(*accessController).ServeHTTP()\n\t/go/pkg/mod/go.etcd.io/etcd@v0.5.0-alpha.5.0.20220915004622-85b640cee793/embed/serve.go:381\n at net/http.serverHandler.ServeHTTP()\n\t/usr/local/go/src/net/http/server.go:2947\n at net/http.(*conn).serve()\n\t/usr/local/go/src/net/http/server.go:1991\n at runtime.goexit()\n\t/usr/local/go/src/runtime/asm_amd64.s:1594"]
