Re: problem with RH ES 4.0 network sockets

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I don't know why freeze it, but there are a pair of commands that can
help you:

See PID using a socket: *lsof -i -n | grep <PORT>*

Kill freeze socket: * fuser -v -n tcp -k <PORT>*

Att.
Cecilio Marin


Edmunds Priede escribió:

>good day!
>
>i have following system :  RH 4.0 ES  kernel 2.6.9-11   Intel SE7520JR2 board
>with latest network drivers.
>i am running application on SUN Java Application Server 8.1 .
>
>some specific workstations after some time working with www application (1/2 -
>1 hrs)  freeze network connection to the port which they use to connect.
>netstat shows ESTABLISHED socket to that workstation and server never releases
>this socket, even if the workstation is rebooted. in this situation noone can
>connect to that port. browser shows 'Connected to server.com' and hangs on this
>message for ever and does not release it. other ports on SUN server continue to
>work, only the affected port is frozen. after i reboot SUN AS server, sockets
>are released and  normal operation resumes.
>
>this happens from specific computers only so far. what can cause network socket
>to freeze?  has anybody seen something similar on other systems? any
>suggestions? is it SUN AS problem or OS or network?
>
>thanks
>
>edmunds
>
>
>  
>

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