Home/ Questions/Why do i get the trouble with “oserror: [errno 98] address already in use”?
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Wesley Byrne
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Asked: 2022-05-17T14:12:45+00:00 In:

Why do i get the trouble with “oserror: [errno 98] address already in use”?

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I get the “oserror: [errno 98] address already in use” issue when trying to reopen Python socket program I have to wait what seems like a minute before I can connect again. Here is the detail of the error I got the error message:

[Errno 98] Address already in use

Please give me some advice to solve this problem.

errno 98
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2 Answers

  1. Best Answer
    Expert

    The cause:

    You are attempting to run services at the similar ports but another application has already runned. You don’t stop your service in the process stack, so the error happens.

    Solution:

    You don’t need to do anything, below is a line command and it can kill all running python processes.

    For Linux-based operating systems:

    Bash:

    kill -9 $(ps -A | grep python | awk '{print $1}')

    Fish:

    kill -9 (ps -A | grep python | awk '{print $1}')
    Another way is overridding by setting SO_REUSEADDR on a socket as following example:
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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  2. $ ps -fA | grep python
501 81211 12368 0 10:11PM ttys000 0:03.12 
python -m SimpleHTTPServer

$ kill 81211
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