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Hi im using eclipse and tomcat to some practice of my university, the teacher give us a directory with "all that we will need" and my partners already started it. I used it on the past but recently I bougth a new pc and now when i start the tomcat v8.0 server at eclipse it doesnt work, i have this problem.

I try find some resolve it but just found some with port 80XX not with 9009, also i delete this directory and redownload it but it does nothing

RVLC
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    Is Eclipse may be [using that port](https://stackoverflow.com/a/29974892/2834978)? You should be able to check listening ports on your OS. – LMC Apr 25 '23 at 19:11
  • Just because your port number doesn't match the port number mentioned in other questions does not mean those questions are irrelevant. They are worth a closer look. Related: [Tomcat Server Error - Port 8080 already in use](https://stackoverflow.com/q/34253779/12567365) - and various [others](https://www.google.com/search?q=tomcat+port+already+in+use+site:stackoverflow.com). – andrewJames Apr 25 '23 at 19:29
  • If you want to know which process is using 9009 already: [How do I find out which process is listening on a TCP or UDP port on Windows?](https://stackoverflow.com/q/48198/12567365) or [Check if port is open or closed on a Linux server?](https://serverfault.com/questions/309052/check-if-port-is-open-or-closed-on-a-linux-server) – andrewJames Apr 25 '23 at 19:32
  • (This general issue happens to me if I forget to close one running instance of Tomcat before starting a new one - especially when Tomcat is started by my IDE.) – andrewJames Apr 25 '23 at 19:38
  • Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. – Community Apr 26 '23 at 11:12

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Look in %TOMCAT_HOME%/conf/server.xml and find 9009. Change it to another number.

John Williams
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