diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/ngx_resolver.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c index d96970434..5d7fe312d 100644 --- a/src/core/ngx_resolver.c +++ b/src/core/ngx_resolver.c @@ -847,7 +847,15 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx, rn->nsrvs = 0; if (ngx_resolver_send_query(r, rn) != NGX_OK) { - goto failed; + + /* immediately retry once on failure */ + + rn->last_connection++; + if (rn->last_connection == r->connections.nelts) { + rn->last_connection = 0; + } + + (void) ngx_resolver_send_query(r, rn); } if (ngx_resolver_set_timeout(r, ctx) != NGX_OK) { @@ -1051,7 +1059,15 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx) rn->nsrvs = 0; if (ngx_resolver_send_query(r, rn) != NGX_OK) { - goto failed; + + /* immediately retry once on failure */ + + rn->last_connection++; + if (rn->last_connection == r->connections.nelts) { + rn->last_connection = 0; + } + + (void) ngx_resolver_send_query(r, rn); } if (ngx_resolver_set_timeout(r, ctx) != NGX_OK) { |