{"record":{"id":"a28c5d6c536fb5e4","repo":"googleapis/mcp-toolbox","slug":"failed-to-list-sessions-w","errorCode":null,"errorMessage":"failed to list sessions: %w","messagePattern":"failed to list sessions: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/sources/serverlessspark/serverlessspark.go","lineNumber":413,"sourceCode":"\t}\n\n\tif ps != nil {\n\t\treq.PageSize = int32(*ps)\n\t}\n\tif pt != \"\" {\n\t\treq.PageToken = pt\n\t}\n\tif filter != \"\" {\n\t\treq.Filter = filter\n\t}\n\n\tit := client.ListSessions(ctx, req)\n\tpager := iterator.NewPager(it, int(req.PageSize), req.PageToken)\n\n\tvar sessionPbs []*dataprocpb.Session\n\tnextPageToken, err := pager.NextPage(&sessionPbs)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to list sessions: %w\", err)\n\t}\n\n\tsessions, err := ToSessions(sessionPbs)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\treturn ListSessionsResponse{Sessions: sessions, NextPageToken: nextPageToken}, nil\n}\n\nfunc (s *Source) GetSession(ctx context.Context, name string) (map[string]any, error) {\n\tclient := s.GetSessionControllerClient()\n\treq := &dataprocpb.GetSessionRequest{\n\t\tName: fmt.Sprintf(\"projects/%s/locations/%s/sessions/%s\", s.GetProject(), s.GetLocation(), name),\n\t}\n\n\tsessionPb, err := client.GetSession(ctx, req)\n\tif err != nil {","sourceCodeStart":395,"sourceCodeEnd":431,"githubUrl":"https://github.com/googleapis/mcp-toolbox/blob/8cc6e09de2ad7b8bffc77751799585a1401a48eb/internal/sources/serverlessspark/serverlessspark.go#L395-L431","documentation":"The paginated Dataproc ListSessions RPC (pager.NextPage) failed — invalid page token/filter, missing permissions, or a transient API error while enumerating sessions.","triggerScenarios":"Thrown at internal/sources/serverlessspark/serverlessspark.go:413 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Verify pageSize/pageToken/filter values","Check IAM list permissions on the project/location","Retry on transient Google API errors"],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8cc6e09de2ad7b8bffc77751799585a1401a48eb","analyzedAt":"2026-09-05T01:10:36.887Z","contentChangedAt":"2026-09-05T01:10:36.887Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}