Hi, Mr. Yamanaka,
I report the following test result.
> I'm going to try in various environments, and
> report the result later.
[summary]
The problem doesn't seem to depend on HardWare or Network.
(1) Why not HardWare
I tested 6 Machines, but it occured.
(2) Why not Network
I tested two types, one is via HUB, other is in localhost.
But it occured all case.
What is the cause?
・OS? ( CentOS 5.3 64bit )
・JDK?( Sun JDK 1.6.0_14 )
・SSH Daemon? ( CentOS 5.3 64bit default )
・JSch version? ( current=0.1.42 )
[test]
I used 6 Linux Machine( machineA, machineB, ... machineF ).
They are all installed CentOS 5.3 64bit.
[Results]
■machineA → HUB → machineB 3回/3回
(client) ( SSH Daemon )
Tested last week.
■machineC → HUB → machineD ( 1problem/1try )
(1) 17 minutes
[0] 2010-01-13 20:52:44.89........., average=66ms
...
[0] 2010-01-13 21:19:45.005........., average=64ms
[0] 2010-01-13 21:19:51.464........30004ms, more than 30sec, break
■ machineE → HUB → machineF ( 1problem / 1try )
[0] 2010-01-14 09:41:08.397........., average=65ms
...
[0] 2010-01-14 09:50:30.318........., average=64ms
[0] 2010-01-14 09:50:36.781........., average=64ms
30003ms, more than 30sec, break
■machineA → machineA(localhost) ( 1problem/1try )
(1) 5minues
[0] 2010-01-14 09:55:24.334........., average=17ms
[0] 2010-01-14 09:55:26.103........., average=13ms
[0] 2010-01-14 09:55:27.46........., average=12ms
...
[0] 2010-01-14 09:59:51.098........., average=72ms
[0] 2010-01-14 09:59:58.331........., average=72ms( why slow down? )
[0] 2010-01-14 10:00:05.567.........30010ms, more than 30sec, break
■machineC → machineC(localhost) ( 1problem / 1try )
[0] 2010-01-14 09:53:12.96........., average=10ms
[0] 2010-01-14 09:53:14.043........., average=5ms
[0] 2010-01-14 09:53:14.599........., average=5ms
...
[0] 2010-01-14 09:53:37.721........., average=4ms
[0] 2010-01-14 09:53:38.201 30001ms, more than 30sec, break
> Can you get the thread dump at that timing?
I'm not sure how to get the thread dump.
This problem doesn't make Exception.
It is only kept with Channel#isClose() is true.
Do you suggest what should I correct?
Sincerely,
----------------------------------
Yukimasa Matsuda
Quatre-i Science Co., Ltd.
e-mail: mats...@i4s.co.jp
http://www.i4s.co.jp
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