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Subject: RE: FW: Connection Failures On SSHExec Task
Date: Mon, 20 Jun 2005 12:00:21 -0700
Message-ID: <200506201900.j5KJ0VvI006348@barrierb241.nike.com>
Thread-Topic: FW: Connection Failures On SSHExec Task
Thread-Index: AcV1H8KqmQm5zIbJTmqCQG28v1uzMgAqSAKg
From: "Anderson, Rob (Global Trade)" <Rob.Anderson@nike.com>
To: "Ant Users List" <user@ant.apache.org>
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I have looked into this a little bit and found that I am in way too deep =
to fix this myself. I was seeing some really bizare behavior, which I =
will try to explain here. I downloaded the source to Ant 1.6.5 and jsch =
1.20. I made a new eclipse project to debug the code interactively. I =
set a breakpoint at line 156 of the Channel object. When I run ant in =
debug mode and break at this point, it behaves as described below. When =
I choose to watch the ChannelExec.io object and I am watching it during =
the debug, the problem goes away. There must be something about how the =
debugger interacts with the debugee JVM that I am not aware of that is =
causing this behavior. Anyway, I hope this gets us closer to solving the =
issue.

-Rob Anderson

> -----Original Message-----
> From: Bill Winspur [mailto:bwinspur@wynnon.com]
> Sent: Sunday, June 19, 2005 3:40 PM
> To: Ant Users List
> Subject: Re: FW: Connection Failures On SSHExec Task
>=20
>=20
> Atsuhiko,
>=20
> Thanks for your response. Have you/jcraft pursued this=20
> problem any further ?
> I moved on to other aspects of my project, after receiving=20
> your note, in the
> hope that you might find a workaround for the problem. However, I must
> return to the issue of exploiting SSH in my application very soon,
>=20
> Bill Winspur
>=20
>=20
> Atsuhiko Yamanaka wrote:
>=20
> >Hi,
> >
> >   +-From: "Anderson, Rob (Global Trade)" <Rob.Anderson@nike.com> --
> >   |_Date: Fri, 3 Jun 2005 10:16:53 -0700 __________________________
> >   |
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] root
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >   |> > >   [sshexec] Connecting to xxx.com:22
> >
> >I have not found the reason yet, but I have remembered that=20
> >OpenSSH's sshd allows to use only 10 sessions simultaneously on=20
> >the single channel.  So, it seems each sshexec channel has not
> >be disconnected cleanly.
> >
> >Thanks,
> >--
> >Atsuhiko Yamanaka
> >JCraft,Inc.
> >4-1 OHMACHI 1-CHOME AOBA-KU,
> >SENDAI, MIYAGI 980-0804 Japan.
> >Tel +81-22-723-2150
> >    +1-415-578-3454
> >Fax +81-22-224-8773
> >Skype callto://jcraft/
> >
> >---------------------------------------------------------------------
> >To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> >For additional commands, e-mail: user-help@ant.apache.org
> >
> >
> > =20
> >
>=20
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>=20
>=20
>=20


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