Everything's fine on this side :-/
Hi Pascal,
Did you verify that your server's DNS is running correctly with:
changeip -checkhostname
With Kind Regards,
Dennis Gaastra, M.B.A.[sfu.ca], B.Sc.[ubc.ca]
Chief Technology Officer,
WEBAPPZ Systems, Inc.
HQ: (+1) 604.921.1333
Fax: (+1) 604.921.4313
On 22-Oct-07, at 11:56 AM, Pascal Robert wrote:
I also get CLOSE_WAIT connections between one client and httpd
(for a GET request on one of the WO apps). Apache's server status
page show that the connection is Sending Reply ("W") for this
request.
More info :
- When it's stuck, I get 5 connections who are in CLOSE_WAIT
state, the other TCP connections are ETABLISHED
- I'm looking at the WOAdaptor page, and the stuck instance has
14 to 18 active requests, and the other instances don't have any
active ones.
Since we upgraded our firewall and we moved two XServes on a
private LAN (the firewall is doing the NAT translation, before
it was a public DMZ), we got instances who hangs for 5 or 10
minutes, with no reason. The only thing that I found is :
[2007-10-22 10:24:58 EDT] <WorkerThread1> <WOWorkerThread id=1
socket=Socket[addr=/192.168.10.201,port=64467,localport=2001]>
Exception while sending response: java.net.SocketException:
Connection reset
[2007-10-22 11:51:12 EDT] <WorkerThread9> <WOWorkerThread id=9
socket=Socket[addr=/192.168.10.201,port=58180,localport=2001]>
Exception while sending response: java.net.SocketException:
Broken pipe
[2007-10-22 11:51:12 EDT] <WorkerThread10> <WOWorkerThread id=10
socket=Socket[addr=/192.168.10.201,port=58190,localport=2001]>
Exception while sending response: java.net.SocketException:
Broken pipe
[2007-10-22 11:51:12 EDT] <WorkerThread11> <WOWorkerThread id=11
socket=Socket[addr=/192.168.10.201,port=58218,localport=2001]>
Exception while sending response: java.net.SocketException:
Broken pipe
[2007-10-22 11:51:12 EDT] <WorkerThread13> <WOWorkerThread id=13
socket=Socket[addr=/192.168.10.201,port=58237,localport=2001]>
Exception while sending response: java.net.SocketException:
Broken pipe
It's never the same application or the same instance who's
hanging, it's completly random :-/ But it's always the same
pattern, no response from the instance for 5 or 10 minutes, and
it start working again without having to do anything.
We looked at the firewall and the switch logs, and we don't find
any errors. Anyone got this problem.
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