client/grpc: fix error panic (#1860)

2020-07-20 10:04:51 +01:00
parent 26e3c83c2d
commit a384632c93
1 changed files with 3 additions and 1 deletions
--- a/error.go
+++ b/error.go
@@ -24,7 +24,9 @@ func microError(err error) error {

 	// return first error from details
 	if details := s.Details(); len(details) > 0 {
-		return microError(details[0].(error))
+		if verr, ok := details[0].(error); ok {
+			return microError(verr)
+		}
 	}

 	// try to decode micro *errors.Error