Mercurial > hg > nginx
diff src/http/ngx_http_file_cache.c @ 7705:3781de64e747
Cache: keep c->body_start when Vary changes (ticket #2029).
If the variant hash doesn't match one we used as a secondary cache key,
we switch back to the original key. In this case, c->body_start was kept
updated from an existing cache node overwriting the new response value.
After file cache update, it led to discrepancy between a cache node and
cache file seen as critical errors "file cache .. has too long header".
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 09 Sep 2020 19:26:27 +0300 |
parents | 847fd35f94de |
children | dd718d1cef3c |
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--- a/src/http/ngx_http_file_cache.c +++ b/src/http/ngx_http_file_cache.c @@ -854,7 +854,7 @@ ngx_http_file_cache_exists(ngx_http_file if (fcn->exists || fcn->uses >= c->min_uses) { c->exists = fcn->exists; - if (fcn->body_start) { + if (fcn->body_start && !c->update_variant) { c->body_start = fcn->body_start; } @@ -1339,6 +1339,7 @@ ngx_http_file_cache_update_variant(ngx_h ngx_shmtx_unlock(&cache->shpool->mutex); c->file.name.len = 0; + c->update_variant = 1; ngx_memcpy(c->key, c->main, NGX_HTTP_CACHE_KEY_LEN);