fix error message generation

ndyakov · ndyakov · commit 260a56cc4579 · 2025-04-17T14:23:37.000+03:00
diff --git a/sentinel.go b/sentinel.go
@@ -605,11 +605,11 @@ func (c *sentinelFailover) MasterAddr(ctx context.Context) (string, error) {
 	if masterAddr != "" {
 		return masterAddr, nil
 	}
-	errs := make([]error, len(c.sentinelAddrs))
+	errs := make([]error, 0, len(c.sentinelAddrs))
 	for err := range errCh {
 		errs = append(errs, err)
 	}
-	return "", fmt.Errorf("redis: all sentinels specified in configuration are unreachable: %w", errs)
+	return "", fmt.Errorf("redis: all sentinels specified in configuration are unreachable: %w", errors.Join(errs...))
 }
 
 func (c *sentinelFailover) replicaAddrs(ctx context.Context, useDisconnected bool) ([]string, error) {

Original file line number	Diff line number	Diff line change
`@@ -605,11 +605,11 @@ func (c *sentinelFailover) MasterAddr(ctx context.Context) (string, error) {`
`605`	`605`	`if masterAddr != "" {`
`606`	`606`	`return masterAddr, nil`
`607`	`607`	`}`
`608`		`- errs := make([]error, len(c.sentinelAddrs))`
	`608`	`+ errs := make([]error, 0, len(c.sentinelAddrs))`
`609`	`609`	`for err := range errCh {`
`610`	`610`	`errs = append(errs, err)`
`611`	`611`	`}`
`612`		`- return "", fmt.Errorf("redis: all sentinels specified in configuration are unreachable: %w", errs)`
	`612`	`+ return "", fmt.Errorf("redis: all sentinels specified in configuration are unreachable: %w", errors.Join(errs...))`
`613`	`613`	`}`
`614`	`614`
`615`	`615`	`func (c *sentinelFailover) replicaAddrs(ctx context.Context, useDisconnected bool) ([]string, error) {`