How to use two port numbers for a single java web application?

Question

I am working in a java web project in Eclipse IDE. project is working fine and we use Apache tomcat 7 as server. Now to access the application we use the URL as localhost:8080/APPNAME/. It works fine.

In my project there is a servlet, that will request by other java file which is out side the eclipse. This java file make request to the servlet as localhost:8080/ServletName.

Now what my instructor is telling is, all request can use 8080 port but for that particular servlet, he wants his own port number like localhost:4121/ServletName. Is it possible ? If possible please tell me how .? I am new this kind of requirement. please tell me if there is a solution for this. It would be great help . thank you.

Community · Accepted Answer · 2017-05-23 12:22:19Z

2

Find out which tomcat installation eclipse is using. Under your tomcat installation there is a conf/server.xml file. You add a new HTTP connector for the port you desire there and restart tomcat. Now you have tomcat listening to the extra port you added.

<Connector port="4121" protocol="HTTP/1.1" 
           connectionTimeout="20000" 
           redirectPort="8443" 
           URIEncoding="UTF-8" />

Now to 'bind' a specific servlet to a port like this, you would have to put some hack. There is no straight forward way other than to run two tomcat instances on separate ports. The hack could be based on this SO Post.

edited May 23, 2017 at 12:22

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answered Jun 18, 2015 at 7:01

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4 Comments

Raghu Over a year ago

can we do it in Eclipse.

ring bearer Over a year ago

Editing server.xml? It can be done using any editor. By the way do you know where your server.xml is ?

Raghu Over a year ago

Yes I know . . Wht I am asking is , by adding the above line in serve.xml , can I make request using both the ports?

QuakeCore Over a year ago

also you might wanna see this

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