external link images fail to load

[r3k2]

if I copy the link I get:
{"errcode":"M_UNKNOWN","error":"Internal server error"}
of course on the client app does not show..
if I click on it for a bigger image.. then it does work. so is only the thumbnail..

logs:

2017-09-07 01:51:59,664 - synapse.access.http.8008 - 59 - INFO - GET-2729255- - - 8008 - Received request: GET /_matrix/media/v1/thumbnail/hispagatos.org/HdiupKrMrGvKkgcBkpNJSGnw
2017-09-07 01:51:59,667 - synapse.http.server - 139 - ERROR - GET-2729255- Failed handle request synapse.rest.media.v1.thumbnail_resource._async_render_GET on <synapse.rest.media.v1.thumbnail_resource.ThumbnailResource instance at 0x7f5e005b3878>: <XForwardedForRequest at 0x7f5dac392dd0 method=GET uri=/_matrix/media/v1/thumbnail/hispagatos.org/HdiupKrMrGvKkgcBkpNJSGnw clientproto=HTTP/1.0 site=8008>
2017-09-07 01:51:59,669 - synapse.access.http.8008 - 91 - INFO - GET-2729255- - - 8008 - {None} Processed request: 4ms (4ms, 0ms) (1ms/2) 55B 500 "GET /_matrix/media/v1/thumbnail/hispagatos.org/HdiupKrMrGvKkgcBkpNJSGnw HTTP/1.0" "Mozilla/5.0 (X11; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0"
2017-09-07 01:52:28,283 - synapse.access.http.8008 - 59 - INFO - GET-2729313- - - 8008 - Received request: GET /_matrix/media/v1/thumbnail/hispagatos.org/DxFLpupsFETBchKWmozJcFLo?width=100&height=100
2017-09-07 01:52:28,294 - synapse.http.server - 139 - ERROR - GET-2729313- Failed handle request synapse.rest.media.v1.thumbnail_resource._async_render_GET on <synapse.rest.media.v1.thumbnail_resource.ThumbnailResource instance at 0x7f5e005b3878>: <XForwardedForRequest at 0x7f5dbc5ea440 method=GET uri=/_matrix/media/v1/thumbnail/hispagatos.org/DxFLpupsFETBchKWmozJcFLo?width=100&height=100 clientproto=HTTP/1.0 site=8008>
2017-09-07 01:52:28,295 - synapse.access.http.8008 - 91 - INFO - GET-2729313- - - 8008 - {None} Processed request: 12ms (0ms, 0ms) (3ms/2) 55B 500 "GET /_matrix/media/v1/thumbnail/hispagatos.org/DxFLpupsFETBchKWmozJcFLo?width=100&height=100 HTTP/1.0" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Riot/0.11.4 Chrome/56.0.2924.87 Electron/1.6.8 Safari/537.36"

on homeserver.yml

# Unsecure HTTP listener,
  # For when matrix traffic passes through loadbalancer that unwraps TLS.
  - port: 8008
    tls: false
    bind_address: ''
    type: http

    x_forwarded: true

    resources:
      - names: [client, webclient]
        compress: true
      - names: [federation]
        compress: false

Any ideas?

[r3k2]

any ideas why this is happening?

[r3k2]

bump! is been more than a month we still have the problem..

[r3k2]

ok I fixed this comenting a create thumbpics or similar on the homeservers.. restarted and now I see the url previews and pics. closing

[SecKatie]

@ReK2Fernandez can you clarify your solution?