Stream: troubleshooting

Topic: Logo fails to load on the first call

Daniel Vila (Jun 18 2026 at 12:39):

Good afternoon:

We have noticed for some time that the logo sometimes fails to load on the first call.
As example:

Has anyone else experienced this problem?

Philip Durbin 🚀 (Jun 18 2026 at 13:19):

Hmm, yes, I'm seeing the same:

Philip Durbin 🚀 (Jun 18 2026 at 13:19):

It's failing on https://dataverse.harvard.edu/logos/navbar/logo.png;jsessionid=ae10addf4895c024c26deeaee3d6 for me

Philip Durbin 🚀 (Jun 18 2026 at 13:20):

% curl -i 'https://dataverse.harvard.edu/logos/navbar/logo.png;jsessionid=ae10addf4895c024c26deeaee3d6'
HTTP/2 202
server: awselb/2.0
date: Thu, 18 Jun 2026 13:19:52 GMT
content-length: 0
x-amzn-waf-action: challenge
cache-control: no-store, max-age=0
content-type: text/html; charset=UTF-8
access-control-allow-origin: *
access-control-max-age: 86400
access-control-allow-methods: OPTIONS,GET,POST
access-control-expose-headers: x-amzn-waf-action

Philip Durbin 🚀 (Jun 18 2026 at 13:20):

x-amzn-waf-action is our AWS ELB (Elastic Load Balancer).

Daniel Vila (Jun 18 2026 at 13:31):

After refresh:

Philip Durbin 🚀 (Jun 18 2026 at 13:34):

Ok, so you're seeing this without the ELB. Hmm.

It must have something to do with the jsessionid, right? It appears in the URL for the first load in an incognito window, for example.

Daniel Vila (Jun 18 2026 at 13:36):

Right

Daniel Vila (Jun 18 2026 at 13:38):

It seems to happen only in the latest versions.

Philip Durbin 🚀 (Jun 18 2026 at 13:44):

It works fine from a fresh docker compose env: https://guides.dataverse.org/en/6.10.1/container/running/demo.html#quickstart

This environment only has Payara, though, so when I go to http://localhost:8080 I'm not hitting any sort of proxy like Apache.

Philip Durbin 🚀 (Jun 18 2026 at 13:44):

Does the problem only surface when a proxy is in the mix? How can I reproduce this on my laptop? :thinking:

Philip Durbin 🚀 (Jun 18 2026 at 13:48):

@Daniel Vila please feel free to create an issue about this at https://github.com/IQSS/dataverse/issues

Philip Durbin 🚀 (Jun 18 2026 at 14:04):

I can definitely see the problem at https://edmond.mpg.de

Last updated: Aug 18 2026 at 08:27 UTC