ioweb-gr commented on issue #1897:
URL:
https://github.com/apache/incubator-pagespeed-mod/issues/1897#issuecomment-962983135
I also face the same issue with 4xx status code preventing rewriting. I'm
using the following setup
```
pagespeed RewriteLevel PassThrough;
pagespeed FileCachePath /var/ngx_pagespeed_cache;
pagespeed FileCacheSizeKb 204800;
pagespeed FileCacheCleanIntervalMs 3600000;
pagespeed FileCacheInodeLimit 500000;
pagespeed LRUCacheKbPerProcess 8192;
pagespeed LRUCacheByteLimit 16384;
pagespeed CreateSharedMemoryMetadataCache "/var/ngx_pagespeed_cache/"
51200;
pagespeed EnableFilters recompress_images;
pagespeed EnableFilters recompress_webp;
pagespeed EnableFilters
convert_jpeg_to_webp,convert_to_webp_lossless,convert_to_webp_animated;
pagespeed Statistics on;
pagespeed StatisticsLogging on;
pagespeed LogDir /var/log/ngx_pagespeed;
pagespeed AdminPath /pagespeed_admin;
pagespeed GlobalAdminPath /pagespeed_global_admin;
pagespeed StatisticsPath /ngx_pagespeed_statistics;
pagespeed GlobalStatisticsPath /ngx_pagespeed_global_statistics;
pagespeed MessagesPath /ngx_pagespeed_message;
pagespeed ConsolePath /pagespeed_console;
pagespeed UsePerVhostStatistics on;
pagespeed MessageBufferSize 100000;
pagespeed EnableCachePurge on;
pagespeed SslCertDirectory /etc/ssl/certs;
pagespeed FetchHttps enable,allow_self_signed;
```
And also
```
pagespeed on;
location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
add_header "" "";
}
location ~ "^/pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
location /ngx_pagespeed_statistics { allow 127.0.0.1; deny all; }
location /ngx_pagespeed_global_statistics { allow 127.0.0.1; deny all; }
location /ngx_pagespeed_message { allow 127.0.0.1; deny all; }
location /pagespeed_console { allow 127.0.0.1; deny all; }
location ~ ^/pagespeed_admin { allow 127.0.0.1; deny all; }
location ~ ^/pagespeed_global_admin { allow 127.0.0.1; deny all; }
```
My nginx server is working as a reverse proxy but serves static files
directly, without passing them to apache.
When I enable the
`pagespeed LoadFromFile ...`
directive, things start working but I can't do it because my static
resources are using a dynamic versioning system.
Therefore the path will never be the same as the filepath.
On my website I can see the following if I enable debug mode
```
mod_pagespeed on
Filters:
ah Add Head
cc Combine Css
jc Combine Javascript
gp Convert Gif to Png
jp Convert Jpeg to Progressive
jw Convert Jpeg To Webp
mc Convert Meta Tags
pj Convert Png to Jpeg
ws When converting images to WebP, prefer lossless conversions
db Debug
ec Cache Extend Css
ei Cache Extend Images
es Cache Extend Scripts
fc Fallback Rewrite Css
if Flatten CSS Imports
hw Flushes html
ci Inline Css
ii Inline Images
il Inline @import to Link
ji Inline Javascript
js Jpeg Subsampling
rj Recompress Jpeg
rp Recompress Png
rw Recompress Webp
ri Resize Images
cf Rewrite Css
jm Rewrite External Javascript
jj Rewrite Inline Javascript
cu Rewrite Style Attributes With Url
cp Strip Image Color Profiles
md Strip Image Meta Data
Options:
EnableRewriting (e) 1
FileCacheInodeLimit (afcl) 500000
RunExperiment (fur) False
StatisticsLogging (asle) True
#NumFlushes 0
#EndDocument after 19760us
#Total Parse duration 15459us
#Total Render duration 26380us
#Total Idle duration 4301us
```
On the html code I see full messages like
`4xx status code, preventing rewriting of
https://ww.example.com/pub/media/catalog/product/cache/9cb80aaa700fbabda1d30deb1d8f7ff5/w/r/wrt106300_a.jpg``
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