如何解决Kubeflow sdk - client.list_experiments() 中的错误
我正在遵循文档 (https://www.kubeflow.org/docs/components/pipelines/sdk/connect-api/) 中的示例，但在尝试访问实验或运行（尝试列出和/或创建它们时）时遇到错误
我有端口转发的 ml-pipeline-ui：
kubectl port-forward svc/ml-pipeline-ui 3000:80 --namespace kubeflow
以下导致错误：
import kfp
client = kfp.Client(host='http://localhost:3000')
print(client.list_experiments())
我从 client.list_experiments() 得到的错误：
> ApiException: (500) Reason: Internal Server Error HTTP response
> headers: HTTPHeaderDict({'X-Powered-By': 'Express','content-type':
> 'application/json','trailer': 'Grpc-Trailer-Content-Type','date':
> 'Thu,22 Jul 2021 21:09:12 GMT','x-envoy-upstream-service-time': '7',> 'server': 'envoy','connection': 'close','transfer-encoding':
> 'chunked'}) HTTP response body: {"error":"Internal error:
> Unauthenticated: Request header error: there is no user identity
> header.: Request header error: there is no user identity
> header.\nFailed to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).canAccessExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:249\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:148\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357\nFailed
> to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:150\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357","code":13,"message":"Internal
> error: Unauthenticated: Request header error: there is no user
> identity header.: Request header error: there is no user identity
> header.\nFailed to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).canAccessExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:249\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:148\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357\nFailed
> to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:150\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357","details":[{"@type":"type.googleapis.com/api.Error","error_message":"Internal
> error: Unauthenticated: Request header error: there is no user
> identity header.: Request header error: there is no user identity
> header.\nFailed to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).canAccessExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:249\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:148\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357\nFailed
> to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:150\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357","error_details":"Internal
> error: Unauthenticated: Request header error: there is no user
> identity header.: Request header error: there is no user identity
> header.\nFailed to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).canAccessExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:249\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:148\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357\nFailed
> to authorize with API resource
> references\ngithub.com/kubeflow/pipelines/backend/src/common/util.Wrap\n\t/go/src/github.com/kubeflow/pipelines/backend/src/common/util/error.go:275\ngithub.com/kubeflow/pipelines/backend/src/apiserver/server.(*ExperimentServer).ListExperiment\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/server/experiment_server.go:150\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler.func1\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:748\nmain.apiServerInterceptor\n\t/go/src/github.com/kubeflow/pipelines/backend/src/apiserver/interceptor.go:30\ngithub.com/kubeflow/pipelines/backend/api/go_client._ExperimentService_ListExperiment_Handler\n\t/go/src/github.com/kubeflow/pipelines/backend/api/go_client/experiment.pb.go:750\ngoogle.golang.org/grpc.(*Server).processUnaryRPC\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1210\ngoogle.golang.org/grpc.(*Server).handleStream\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:1533\ngoogle.golang.org/grpc.(*Server).serveStreams.func1.2\n\t/go/pkg/mod/google.golang.org/grpc@v1.34.0/server.go:871\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1357"}]}
但是，列出管道是有效的：
import kfp
client = kfp.Client(host='http://localhost:3000')
print(client.list_pipelines())
我已验证端口转发是否有效 - 我可以通过 http://localhost:3000/ 访问 UI，并且可以看到管道。关于我在实验中哪里出错的任何想法？文档中的示例看起来很简单，但有些地方不起作用。
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