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[bioontology-support] Homepage not working?

John Graybeal jgraybeal at
Tue May 28 19:23:07 PDT 2019

Hi Julius,

I'm sorry, but I think your question is simply about handling redirects, and is outside the scope of this list, which is specifically about BioPortal and OntoPortal software and virtual appliance issues. You may want to look in or post to a more general-purpose site like StackExchange or Quora?

I will touch base with you offline to discuss possible Virtual Appliance related topics.


On May 28, 2019, at 11:26 AM, Pasion, Julius <julius.pasion at<mailto:julius.pasion at>> wrote:

Dear NCBO,

I have set up an EC2 instance using AWS, and set up an Application Load Balancer to redirect HTTP80 to HTTPS443, and forward to the instance. However, my homepage is always returning an invalid response. When I try to access the homepage, the url is the same except ":80" is added to the end of the url. Even weirder is that if I type in other parts of the website like "<>" or "<>", I am able to see the website (although in some of those pages, I get errors from the website itself). Would you be able to help with this issue? I get a 500: internal server error whenever I try to access the homepage.

My current pipeline is:

•         Route53 url is input by client

•         redirect to ALB

•         redirects 80 to 443 (w/SSL)

•         forwards to target group on port 80

•         EC2 instance

Any help is appreciated thank you!




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John Graybeal
Technical Program Manager
Center for Expanded Data Annotation and Retrieval /+/ NCBO BioPortal
Stanford Center for Biomedical Informatics Research

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