diff --git a/error.go b/error.go index ad9e173..5025215 100644 --- a/error.go +++ b/error.go @@ -65,7 +65,7 @@ func isRedisError(err error) bool { return ok } -func isBadConn(err error, allowTimeout bool) bool { +func isBadConn(err error, allowTimeout bool, addr string) bool { switch err { case nil: return false @@ -74,9 +74,19 @@ func isBadConn(err error, allowTimeout bool) bool { } if isRedisError(err) { - // Close connections in read only state in case domain addr is used - // and domain resolves to a different Redis Server. See #790. - return isReadOnlyError(err) + switch { + case isReadOnlyError(err): + // Close connections in read only state in case domain addr is used + // and domain resolves to a different Redis Server. See #790. + return true + case isMovedSameConnAddr(err, addr): + // Close connections when we are asked to move to the same addr + // of the connection. Force a DNS resolution when all connections + // of the pool are recycled + return true + default: + return false + } } if allowTimeout { @@ -119,6 +129,14 @@ func isReadOnlyError(err error) bool { return strings.HasPrefix(err.Error(), "READONLY ") } +func isMovedSameConnAddr(err error, addr string) bool { + redisError := err.Error() + if !strings.HasPrefix(redisError, "MOVED ") { + return false + } + return strings.HasSuffix(redisError, addr) +} + //------------------------------------------------------------------------------ type timeoutError interface { diff --git a/pubsub.go b/pubsub.go index c591240..efc2354 100644 --- a/pubsub.go +++ b/pubsub.go @@ -141,7 +141,7 @@ func (c *PubSub) releaseConn(ctx context.Context, cn *pool.Conn, err error, allo if c.cn != cn { return } - if isBadConn(err, allowTimeout) { + if isBadConn(err, allowTimeout, c.opt.Addr) { c.reconnect(ctx, err) } } diff --git a/redis.go b/redis.go index 53a4700..32cdabd 100644 --- a/redis.go +++ b/redis.go @@ -261,7 +261,7 @@ func (c *baseClient) releaseConn(ctx context.Context, cn *pool.Conn, err error) c.opt.Limiter.ReportResult(err) } - if isBadConn(err, false) { + if isBadConn(err, false, c.opt.Addr) { c.connPool.Remove(ctx, cn, err) } else { c.connPool.Put(ctx, cn)