Port Forwarding – Server responds to remote Java request, responds via local browser, can’t be reached in remote browser

I am hosting an Apache Tomcat instance on a server which is used to display a web page.
It needs to be remotely accessible via a browser.
The web page runs normally via localhost and I have setup port forwarding to make it remotely accessible.
I have tested the port forwarding with Java and successfully connected to the sockets.
Despite being able to connect to the socket, when I attempt to access it via a remote browser is returns “site can’t be reached”.

Local Browser – Web page runs as expected on localhost:8080

Socket test – pass
Remote Java Request – Responds with full html of web page
Remote Browser – Site can’t be reached

Does anyone know why only the remote browser portion would fail, while remote requests sent through Java would work?

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Author: jorbo

What’s in THIS environment?

We work on multiple java web projects going on at the same time and those are all being tested on several different QA environments. Id like to show on our support portal what projects are in what environments without having to manually updated it all the time. I was thinking of some what to tag the build so I could just query tomcat or those linux servers themselves and show the results. The tags would be something like “August Release”, “Project 1”, “Project 2”, etc.. Has anyone done something similar? I’m looking for different options.

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Author: DaveTX

How to display Apache Tomcat metrics on Ubuntu (Like cPanel’s metrics)

I need a way to display metrics like number of visitors, location of visitors and so on using Ubuntu and Apache Tomcat.
I would like it to work in a cPanel or Webmin fashion where the data is displayed on a webpage and I can access it from another machine (something lightweight too, because my server is a weak machine).

I am using Apache Tomcat v9.0.36 and Ubuntu 18.04.4 LTS.


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Author: Ivan Dimitrov