Tomcat – Access to Tomcat from remote PC

routesservletstomcat

I've developed a web application using servlet and tomcat. When I try to use this application from the server everything is rigth (i.e. http://localhost:8080/app_name/init.html).

However I'm having a hard time trying to access to this application from another PC. The server PC and client PC are connected using a router, there are no more computers in this network.

If, for example, the router assigns the IP 192.168.1.4 to the server PC what I write in a browser in the client PC is: http://192.168.1.4:8080/app_name/init.html

I can't run the application on the remote PC by doing this, could it an issue regarding Tomcat configuration or router configuration. I think it might be a port issue. I can provide router info if you need it.

Thanks to all

Best Answer

Sounds like your tomcat server is not configured to accept connections other than from localhost. This is a common (and sensible) default for servers.

Alternatively it may be a firewall issue on the server. If your server is running XP, there is a firewall enabled by default which will block port 8080. You can enable the port like this:

control panel -> security center -> firewall - > exceptions -> open up port 8080

Related Solutions

Java – Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

You've another instance of Tomcat already running. You can confirm this by going to http://localhost:8080 in your webbrowser and check if you get the Tomcat default home page or a Tomcat-specific 404 error page. Both are equally valid evidence that Tomcat runs fine; if it didn't, then you would have gotten a browser specific HTTP connection timeout error message.

You need to shutdown it. Go to /bin subfolder of the Tomcat installation folder and execute the shutdown.bat (Windows) or shutdown.sh (Unix) script. If in vain, close Eclipse and then open the task manager and kill all java and/or javaw processes.

Or if you actually installed it as a Windows service for some reason (this is namely intented for production and is unhelpful when you're just developing), open the services manager (Start > Run > services.msc) and stop the Tomcat service. If necessary, uninstall the Windows service altogether. For development, just the ZIP file is sufficient.

Or if your actual intent is to run two instances of Tomcat simultaneously, then you have to configure the second instance to listen on different ports. Consult the Tomcat documentation for more detail.

Java – Tomcat Server Error – Port 8080 already in use

For Ubuntu/Linux

Step 1: Find the process id that is using the port 8080

netstat -lnp | grep 8080
or
ps -aef | grep tomcat

Step 2: Kill the process using process id in above result

kill -9 process_id

For Windows

Step 1: Find the process id

netstat -ano | findstr 8080

Step 2: Open command prompt as administrator and kill the process

taskkill /F /pid 1088

In my case port 8005 was already in use so I used the same above steps.

Best Answer

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Java – Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

Java – Tomcat Server Error – Port 8080 already in use

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