About Port 80 (the port is Tomcat's listening port) is already in use by other programs.

about the the Port ( This port is Tomcat 's listening port ) The problem is already being consumed by other programs

This shows port ( This port is tomcat listening port ) already occupied by other programs , first with Command prompt " Netstat-ano " command displays the port status, finds the port in the results, and then according to its PID in input " tasklist " command display to find its corresponding program, you can know its program name, and then identify the source of the program, take appropriate measures.

the method can be used as follows:

using the netstat-ano command result:  

Proto Local Address Foreign Address State pid 

TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 2544 

TCP 0.0.0.0:100 0.0.0.0:0 LISTENING 2544 

TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 1404 

TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4 &NBSP

TCP 0.0.0.0:1110 0.0.0.0:0 LISTENING 228 

TCP 127.0.0.1:1025 0.0.0.0:0 LISTENING 1052 

TCP 127.0.0.1:1159 127.0.0.1:1110 close_wait 2992 

TCP 127.0.0.1:1297 127.0.0.1:1110 CLOSE_WAIT 2992&NBSP

TCP 127.0.0.1:1324 127.0.0.1:1110 close_wait 2992 

visible 80 port is pid 2544 The process of

with the tasklist command:

image name PID Session name session # memory usage

========================= ====== ================ ======== ============

System Idle Process 0 Console 0 K

System 4 Console 0 K

WebThunder.exe 2544 Console 0 12,120 K

Java.exe 2884 Console 0 6,296 K

Tasklist.exe 3464 Console 0 4,372 K

visible 2544 is the WebThunder.exe process. Turn it off. Restart TOMCAT. OK!

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About Port 80 (the port is Tomcat's listening port) is already in use by other programs.