Tencent/WeKnora · error

failed to update MCP service: %w

Error message

failed to update MCP service: %w

What it means

Thrown by ClearMCPCredential when mcpServiceRepo.Update fails to persist the credential change (after the field was cleared in memory). A database write failure; on success the client connection is also closed to force reconnect.

Source

Thrown at internal/application/service/mcp_service.go:576

		if existing.AuthConfig.APIKey != "" {
			existing.AuthConfig.APIKey = ""
			changed = true
		}
	case "token":
		if existing.AuthConfig.Token != "" {
			existing.AuthConfig.Token = ""
			changed = true
		}
	default:
		return fmt.Errorf("unknown credential field: %s", field)
	}
	if !changed {
		return nil
	}

	existing.UpdatedAt = time.Now()
	if err := s.mcpServiceRepo.Update(ctx, existing); err != nil {
		return fmt.Errorf("failed to update MCP service: %w", err)
	}

	s.mcpManager.CloseClient(id)
	logger.GetLogger(ctx).Infof(
		"MCP credential cleared by user: id=%s field=%s, connection closed",
		secutils.SanitizeForLog(id), field,
	)
	return nil
}

// GetMCPServiceResources retrieves the list of resources from an MCP service
func (s *mcpServiceService) GetMCPServiceResources(
	ctx context.Context,
	tenantID uint64,
	id string,
) ([]*types.MCPResource, error) {
	// Get service
	service, err := s.mcpServiceRepo.GetByID(ctx, tenantID, id)

View on GitHub (pinned to 988cbb0330)

Solutions

1. Check database connectivity and retry the clear request
2. Verify the service row was not concurrently deleted
3. Retry is safe: the operation is idempotent for already-empty fields

When it happens

Trigger: Thrown at internal/application/service/mcp_service.go:576 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Tencent/WeKnora@988cbb0330 (2026-09-02). Data as JSON: /api/errors/855b1c0ceee4db0c. Report an issue: GitHub.