Re: POE::Component::Generic and Net::OpenSSH

Sawyer wrote:
> Hi.
> 
> I've been using PoCo::Generic for some time now. I've written my own
> (small) Moose-wrapped POE component for Net::OpenSSH using
> PoCo::Generic (POE::Component::OpenSSH).
> 
> Oddly enough, only recently I found a very weird behavior.
> 
> If I try to run "scp_put" on a PoCo::Generic wrapper of Net::OpenSSH,
> the session stalls and hangs till infinity. Basically the DESTROY
> method of the Net::OpenSSH object isn't being called, thus not exiting
> the SSH session. If I run the "system" method (which is basically raw
> commands like "echo hello"), it will exit just fine.
> 
> I've been debugging this for two days now and I don't think the
> problem is in Net::OpenSSH.
> 
> I've also noticed that if I run a "system" method and then an
> "scp_put" method, it will exit fine, as if it needs some input from
> the program back (whatever the result of the "system" method was) in
> order to close and with just "scp_put" it doesn't.
> 
> I've no more idea where to continue debugging this, I would appreciate
> any help on this.

Run the script with $Net::OpenSSH::debug = -1 and let me see the output.

A capture at the kernel level with strace, truss or similar may also 
help (note that passwords and SSH keys will be visible). Also, ensure 
that child processes are also traced.

- Salva.