Is anyone resolving this issue? On Friday, 18 August 2023 at 10:03:43 am UTC+11 Elaine Ding wrote:
> I have the similar issue 502 proxy error like this, it happens > intermittently like one of ten tries. I would like to know the solution > too. Thanks > > > On Wednesday, August 16, 2023 at 3:56:28 PM UTC-4 catorce_CL wrote: > >> Hi Andrew, how do you solve it? >> >> >> >> El miércoles, 9 de agosto de 2023 a las 16:34:48 UTC-4, DSpace Technical >> Support escribió: >> >>> Hi Andrew, >>> >>> I'm not an expert with Nginx. So, I'm hoping someone else on this list >>> might provide some advice to you. However, I did notice that the >>> "error.log" you shared has a ton of errors that say: >>> >>> connect() failed (10061: No connection could be made because the target >>> machine actively refused it) >>> >>> This makes me suspect that Nginx may not be able to find the DSpace user >>> interface running on localhost:4000? Or somehow the DSpace UI isn't >>> running on http://localhost:4000/ (or is on a different port)? I'm not >>> sure offhand where the problem lies as I'm not an Nginx expert. But I know >>> others on this list may be able to help better than I. >>> >>> Tim >>> On Friday, August 4, 2023 at 6:43:13 PM UTC-5 abys...@gmail.com wrote: >>> >>>> Hi Tim, >>>> >>>> I followed as per front end installation >>>> <https://wiki.lyrasis.org/display/DSDOC7x/Installing+DSpace#InstallingDSpace-FrontendInstallation> >>>> >>>> step *8.1.iii*, only changed the URL to match ours. >>>> ### >>>> # HTTPS server >>>> server { >>>> listen 443 ssl; >>>> server_name repository.bionicsinstitute.org; >>>> ssl_certificate C:/nginx-1.25.1/cert/wildcardChain.crt; >>>> ssl_certificate_key C:/nginx-1.25.1/cert/domain.rsa; >>>> >>>> # Proxy all HTTPS requests to "/server" from NGinx to Tomcat on port >>>> 8080 >>>> location /server { >>>> proxy_set_header X-Forwarded-Proto https; >>>> proxy_set_header X-Forwarded-Host $host; >>>> proxy_pass http://localhost:8080/server; >>>> } >>>> >>>> # For UI >>>> # proxy all HTTPS requests from NGinx to PM2 on localhost, port 4000 >>>> # URL must match the "ui" settings in config.prod.yml >>>> location / { >>>> proxy_pass http://localhost:4000/; >>>> } >>>> } >>>> ### >>>> >>>> >>>> I thought of matching the "location /" code block with the other one >>>> by adding below but no luck. >>>> ### >>>> proxy_set_header X-Forwarded-Proto https; >>>> proxy_set_header X-Forwarded-Host $host; >>>> ### >>>> >>>> >>>> I did look around in the logs folder but not sure what to look for. >>>> attached are the 2 log files from \nginx\*logs* folder. >>>> F12 on Edge shows below. >>>> [image: image.png] >>>> >>>> I also tried adding below (bold) in \DSpace\config\*local.cfg* but >>>> still no luck (found some old post about CORS issue >>>> <https://github.com/DSpace/dspace-angular/issues/1036>). >>>> At least due to the highlighted part I can access http://localhost:4000 >>>> from the server again. >>>> ### >>>> dspace.server.url = https://repository.bionicsinstitute.org/server >>>> dspace.ui.url = https://repository.bionicsinstitute.org >>>> >>>> *rest.cors.allowed-origins = ${dspace.ui.url}, http://localhost:4000 >>>> <http://localhost:4000>, https://repository.bionicsinstitute.org:443 >>>> <https://repository.bionicsinstitute.org:443>proxies.trusted.ipranges = >>>> 192.168.110.6* >>>> ### >>>> >>>> >>>> Not sure if it cause issue, I've added a manual entry in >>>> C:\Windows\System32\drivers\etc\*hosts* file: >>>> ### >>>> 192.168.110.6 repository.bionicsinstitute.org >>>> ### >>>> >>>> I have yet to try Apache HTTPD, will explore that next week. >>>> >>>> >>>> Regards, >>>> Andrew >>>> >>>> >>>> >>>> On Sat, Aug 5, 2023 at 3:14 AM DSpace Technical Support < >>>> dspac...@googlegroups.com> wrote: >>>> >>>>> Hi, >>>>> >>>>> It sounds like your Nginx setup isn't working properly... but it's >>>>> hard to say exactly *why*. You may want to check the Nginx logs, as it >>>>> could be a simple misconfiguration or similar. >>>>> >>>>> Port 4000 (or any "localhost" style URLs) won't be available from a >>>>> different host. This is why you need Nginx (or Apache) to turn that >>>>> localhost URL into an actual hostname/domain (like "demo.dspace.org"). >>>>> The localhost URLs will only work from the same machine that site is >>>>> on... >>>>> so they are really only useful for development/quick testing. >>>>> >>>>> Tim >>>>> >>>>> On Thursday, August 3, 2023 at 6:16:26 AM UTC-5 abys...@gmail.com >>>>> wrote: >>>>> >>>>>> Hi there, >>>>>> >>>>>> I followed the instruction here: >>>>>> https://wiki.lyrasis.org/display/DSDOC7x/Installing+DSpace#InstallingDSpace-FrontendRequirements >>>>>> >>>>>> I used NGinx and on frontend installation: >>>>>> >>>>>> - step 5; used YAML configuration >>>>>> - step 6: run via PM2 >>>>>> >>>>>> Everything went well but after finishing up the last part (step 8, >>>>>> add HTTPS support): >>>>>> >>>>>> - accessing https://host.domain.com shows: 502 Bad Gateway >>>>>> can still access backend (https://host.domain.com/server) >>>>>> - can't access http://localhost:4000 anymore, shows: 500 Service >>>>>> Unavailable >>>>>> if I revert the *dspace.ui.url* back to default ( >>>>>> http://localhost:4000), it works >>>>>> >>>>>> Also, seems like port 4000 is not accessible from different host. >>>>>> Not sure where to go from here so really appreciate any >>>>>> help/hint/anything. >>>>>> >>>>>> Thank you in advance. >>>>>> >>>>> -- >>>>> All messages to this mailing list should adhere to the Code of >>>>> Conduct: https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "DSpace Technical Support" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to dspace-tech...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/dspace-tech/ed8dbaa5-1704-4b32-a3aa-8fb32886b5d8n%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/dspace-tech/ed8dbaa5-1704-4b32-a3aa-8fb32886b5d8n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- All messages to this mailing list should adhere to the Code of Conduct: https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx --- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. 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