fix

Author: averikitsch

internal/server/resources/resources.go

@@ -15,6 +15,7 @@
 package resources
 
 import (
+	"errors"
 	"sync"
 
 	"github.com/googleapis/genai-toolbox/internal/auth"
@@ -142,12 +143,15 @@ func (r *ResourceManager) Close() error {
 	r.mu.Lock()
 	defer r.mu.Unlock()
 
+	var errs []error
 	for _, source := range r.sources {
 		if closeable, ok := source.(sources.CloseableSource); ok {
-			_ = closeable.Close()
+			if err := closeable.Close(); err != nil {
+				errs = append(errs, err)
+			}
 		}
 	}
-	return nil
+	return errors.Join(errs...)
 }
 
 func (r *ResourceManager) GetEmbeddingModelMap() map[string]embeddingmodels.EmbeddingModel {

internal/sources/bigquery/bigquery.go

@@ -313,8 +313,9 @@ func (s *Source) ToConfig() sources.SourceConfig {
 
 // Close closes the BigQuery source and its associated caches/clients.
 func (s *Source) Close() error {
+	var err error
 	if s.Client != nil {
-		s.Client.Close()
+		err = s.Client.Close()
 	}
 	if s.bqClientCache != nil {
 		s.bqClientCache.Stop()
@@ -325,7 +326,7 @@ func (s *Source) Close() error {
 	if s.dataplexCache != nil {
 		s.dataplexCache.Stop()
 	}
-	return nil
+	return err
 }
 
 func (s *Source) BigQueryClient() *bigqueryapi.Client {

internal/sources/cloudloggingadmin/cloud_logging_admin.go

@@ -124,13 +124,14 @@ func (s *Source) ToConfig() sources.SourceConfig {
 
 // Close closes the Cloud Logging Admin source and its associated caches/clients.
 func (s *Source) Close() error {
+	var err error
 	if s.Client != nil {
-		s.Client.Close()
+		err = s.Client.Close()
 	}
 	if s.logadminClientCache != nil {
 		s.logadminClientCache.Stop()
 	}
-	return nil
+	return err
 }
 
 func (s *Source) UseClientAuthorization() bool {