Fix

cmd/otel-agent/subcommands/run/command.go

@@ -37,6 +37,8 @@ import (
 	configprovider "github.com/DataDog/datadog-agent/comp/otelcol/otlp/components/pipeline/provider"
 	"github.com/DataDog/datadog-agent/comp/serializer/compression"
 	"github.com/DataDog/datadog-agent/comp/serializer/compression/compressionimpl/strategy"
+	tracecomp "github.com/DataDog/datadog-agent/comp/trace"
+	traceagentcomp "github.com/DataDog/datadog-agent/comp/trace/agent"
 	traceconfig "github.com/DataDog/datadog-agent/comp/trace/config"
 	"github.com/DataDog/datadog-agent/pkg/config/env"
 	"github.com/DataDog/datadog-agent/pkg/serializer"
@@ -164,6 +166,15 @@ func runOTelAgentCommand(ctx context.Context, params *subcommands.GlobalParams,
 		fx.Provide(func(tcfg *pkgtraceconfig.AgentConfig, statsdClient ddgostatsd.ClientInterface) (*pkgagent.Agent, error) {
 			return pkgagent.NewAgent(ctx, tcfg, telemetry.NewCollector(tcfg), statsdClient), nil
 		}),
+		// ctx is required to be supplied from here, as Windows needs to inject its own context
+		// to allow the agent to work as a service.
+		fx.Provide(func() context.Context { return ctx }), // fx.Supply(ctx) fails with a missing type error.
+		fx.Supply(&traceagentcomp.Params{
+			CPUProfile:  "",
+			MemProfile:  "",
+			PIDFilePath: "",
+		}),
+		tracecomp.Bundle(),
 	)
 	if err != nil {
 		return err

comp/otelcol/otlp/components/exporter/serializerexporter/factory_test.go

@@ -36,7 +36,7 @@ func (m *MockTagEnricher) Enrich(_ context.Context, extraTags []string, dimensio
 func newFactory() exp.Factory {
 	return NewFactory(&MockSerializer{}, &MockTagEnricher{}, func(context.Context) (string, error) {
 		return "", nil
-	})
+	}, nil)
 }
 
 func TestNewFactory(t *testing.T) {