How to Kill This Tomcat Process in Terminal

Kill tomcat service running on any port, Windows

1) Go to (Open) Command Prompt (Press Window + R then type cmd Run this).

2) Run following commands

For all listening ports

netstat -aon | find /i "listening"

Apply port filter

netstat -aon |find /i "listening" |find "8080"

Finally with the PID we can run the following command to kill the process


3) Copy PID from result set

taskkill /F /PID

Ex: taskkill /F /PID 189

Sometimes you need to run Command Prompt with Administrator privileges

Done !!! you can start your service now.

How to kill Tomcat when running it from Eclipse?

It appears as javaw.exe in task manager. An alternative is to execute Tomcat/bin/shutdown.bat.

As to the hang problem, are you sure that your webapp isn't spawning unmanaged threads which might be blocking Tomcat's shutdown?

Tomcat Server Error - Port 8080 already in use

All I had to do was to change the port numbers.
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  1. Open Eclipse

  2. Go to Servers panel

  3. Right click on Tomcat Server select Open, Overview window will appear.

  4. Open the Portstab. You will get the following:

    • Tomcat adminport

    • HTTP/1.1

    • AJP/1.3

  5. I changed the port number of HTTP/1.1 (i.e. to 8081)

  6. You might have to also change the port of Tomcat adminport (i.e. to 8006) and of AJP/1.3 (i.e. to 8010).

  7. Access your app in the browser at http://localhost:8081/...

Windows Kill Process By PORT Number


Solution 1: Kill Process

Run command-line as an Administrator

netstat -ano | findstr :<yourPortNumber>
taskkill /PID <typeyourPIDhere> /F

Solution 2: Change Port

Please Make sure that new port you are going to set for your Application doesn't listen to any other process

Change the port 
server.port=8088 # Server HTTP port.

Solution 3:
Another way is to terminate the process (in IDE) and clean and rebuild project.

Sample Image

Sample Image

UPDATE:

For solution 2, Please Make sure that new port you are going to set for your Application doesn't listen to any other process.

How to check Port Status?

Option 1

Run resmon.exe and go to Network -> Listening Port (Also can be viewed on TaskManager)
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Option 2

PowerShell

Get-Process -Id (Get-NetTCPConnection -LocalPort portNumber).OwningProcess

cmd

 C:\> netstat -a -b

(Add -n to stop it trying to resolve hostnames, which will make it a lot faster.)

-a Displays all connections and listening ports.

-b Displays the executable involved in creating each connection or listening port. In some cases, well-known executables host multiple independent components, and in these cases, the sequence of components involved in creating the connection or listening port is displayed. In this case, the executable name is in [] at the bottom, on top is the component it called, and so forth until TCP/IP was reached. Note that this option can be time-consuming and will fail unless you have sufficient permissions.

-n Displays addresses and port numbers in numerical form.

-o Displays the owning process ID associated with each connection.

How to kill a process running on particular port in Linux?

Use the command

 sudo netstat -plten |grep java

used grep java as tomcat uses java as their processes.

It will show the list of processes with port number and process id

tcp6       0      0 :::8080                 :::*                    LISTEN      
1000 30070621 16085/java

the number before /java is a process id. Now use kill command to kill the process

kill -9 16085

-9 implies the process will be killed forcefully.



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