googleapis/mcp-toolbox · error

unable to connect successfully: %w

Error message

unable to connect successfully: %w

What it means

Error "unable to connect successfully: %w" thrown in googleapis/mcp-toolbox.

Source

Thrown at internal/sources/neo4j/neo4j.go:75

	User     string `yaml:"user" validate:"required"`
	Password string `yaml:"password" validate:"required"`
	Database string `yaml:"database" validate:"required"`
}

func (r Config) SourceConfigType() string {
	return SourceType
}

func (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) {
	driver, err := initNeo4jDriver(ctx, tracer, r.Uri, r.User, r.Password, r.Name)
	if err != nil {
		return nil, fmt.Errorf("unable to create driver: %w", err)
	}

	err = driver.VerifyConnectivity(ctx)
	if err != nil {
		driver.Close(ctx)
		return nil, fmt.Errorf("unable to connect successfully: %w", err)
	}

	if r.Database == "" {
		r.Database = "neo4j"
	}
	s := &Source{
		Config: r,
		Driver: driver,
	}
	return s, nil
}

var _ sources.Source = &Source{}

type Source struct {
	Config
	Driver neo4j.Driver
}

View on GitHub (pinned to 8cc6e09de2)

When it happens

Trigger: Thrown at internal/sources/neo4j/neo4j.go:75 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of googleapis/mcp-toolbox@8cc6e09de2 (2026-09-05). Data as JSON: /api/errors/fe43971257ef9caf. Report an issue: GitHub.