[bug] flagd - parse fractional evaluation data: distribution elements aren't of type []any

[julianocosta89]

Bug Report

Which version of the demo you are using? 77fb27c74b9d1facfeb329c31dc843e5d937fd50

Symptom

When running the Demo with docker compose I'm getting the following error:

flagd                    | 2024-04-22T18:45:52.438Z	error	evaluator/fractional.go:30	parse fractional evaluation data: distribution elements aren't of type []any
flagd                    | github.com/open-feature/flagd/core/pkg/evaluator.(*Fractional).Evaluate
flagd                    | 	/src/core/pkg/evaluator/fractional.go:30
flagd                    | github.com/diegoholiveira/jsonlogic/v3.operation
flagd                    | 	/go/pkg/mod/github.com/diegoholiveira/jsonlogic/[email protected]/operation.go:15
flagd                    | github.com/diegoholiveira/jsonlogic/v3.apply
flagd                    | 	/go/pkg/mod/github.com/diegoholiveira/jsonlogic/[email protected]/jsonlogic.go:493
flagd                    | github.com/diegoholiveira/jsonlogic/v3.ApplyInterface
flagd                    | 	/go/pkg/mod/github.com/diegoholiveira/jsonlogic/[email protected]/jsonlogic.go:587
flagd                    | github.com/diegoholiveira/jsonlogic/v3.Apply
flagd                    | 	/go/pkg/mod/github.com/diegoholiveira/jsonlogic/[email protected]/jsonlogic.go:522
flagd                    | github.com/open-feature/flagd/core/pkg/evaluator.(*JSON).evaluateVariant
flagd                    | 	/src/core/pkg/evaluator/json.go:339
flagd                    | github.com/open-feature/flagd/core/pkg/evaluator.resolve[...]
flagd                    | 	/src/core/pkg/evaluator/json.go:276
flagd                    | github.com/open-feature/flagd/core/pkg/evaluator.(*JSON).ResolveBooleanValue
flagd                    | 	/src/core/pkg/evaluator/json.go:207
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.resolve[...]
flagd                    | 	/src/core/pkg/service/flag-evaluation/flag_evaluator.go:291
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.(*FlagEvaluationService).ResolveBoolean
flagd                    | 	/src/core/pkg/service/flag-evaluation/flag_evaluator_v2.go:159
flagd                    | connectrpc.com/connect.NewUnaryHandler[...].func1
flagd                    | 	/go/pkg/mod/connectrpc.com/[email protected]/handler.go:52
flagd                    | connectrpc.com/otelconnect.(*Interceptor).WrapUnary.func1
flagd                    | 	/go/pkg/mod/connectrpc.com/[email protected]/interceptor.go:152
flagd                    | connectrpc.com/connect.NewUnaryHandler[...].func2
flagd                    | 	/go/pkg/mod/connectrpc.com/[email protected]/handler.go:84
flagd                    | connectrpc.com/connect.(*Handler).ServeHTTP
flagd                    | 	/go/pkg/mod/connectrpc.com/[email protected]/handler.go:265
flagd                    | buf.build/gen/go/open-feature/flagd/connectrpc/go/flagd/evaluation/v1/evaluationv1connect.NewServiceHandler.func1
flagd                    | 	/go/pkg/mod/buf.build/gen/go/open-feature/flagd/connectrpc/[email protected]/flagd/evaluation/v1/evaluationv1connect/evaluation.connect.go:247
flagd                    | net/http.HandlerFunc.ServeHTTP
flagd                    | 	/usr/local/go/src/net/http/server.go:2166
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.bufSwitchHandler.ServeHTTP
flagd                    | 	/src/core/pkg/service/flag-evaluation/connect_service.go:51
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.(*ConnectService).setupServer.(*ConnectService).AddMiddleware.Middleware.Handler.func1.1
flagd                    | 	/src/core/pkg/service/middleware/metrics/http_metrics.go:105
flagd                    | github.com/open-feature/flagd/core/pkg/service/middleware/metrics.Middleware.Measure
flagd                    | 	/src/core/pkg/service/middleware/metrics/http_metrics.go:90
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.(*ConnectService).setupServer.(*ConnectService).AddMiddleware.Middleware.Handler.func1
flagd                    | 	/src/core/pkg/service/middleware/metrics/http_metrics.go:104
flagd                    | net/http.HandlerFunc.ServeHTTP
flagd                    | 	/usr/local/go/src/net/http/server.go:2166
flagd                    | github.com/open-feature/flagd/core/pkg/service/flag-evaluation.(*ConnectService).setupServer.(*ConnectService).AddMiddleware.Middleware.Handler.(*Cors).Handler.func2
flagd                    | 	/go/pkg/mod/github.com/rs/[email protected]/cors.go:281
flagd                    | net/http.HandlerFunc.ServeHTTP
flagd                    | 	/usr/local/go/src/net/http/server.go:2166
flagd                    | golang.org/x/net/http2.(*serverConn).runHandler
flagd                    | 	/go/pkg/mod/golang.org/x/[email protected]/http2/server.go:2368

[beeme1mr]

Please update to flagd version v0.10.1.