On 13/05/2011 11:37, Daniel Lundin wrote:
> Hi,

Hello

> I have just started looking at Taverna (2.2.0 on Linux/Java 6 (I've
> tried both openjdk and sun)). The first things I'd like to get running
> are invocation of jobs via ssh, but I've failed so far.

> I've managed to get a call to a test script on my local machine to work,
> but not on a remote machine via ssh. I've looked in the docs and
> searched the mailing list archives but to no avail. I have a set of
> questions and observations:
>
> 1. I can do a test connect from "Configure UseCase invocation/Configure
> ssh invocation/Add a new..." dialog.

Did you do "Save and close" in that dialog?

> 2. Running a workflow with the ssh worker from 1 doesn't work, though it
> appears that the ssh connection works (at least I get no error dialog
> nor error message in the log). I click run and then it runs (at least
> for an hour) until I cancel the job. The connection is not recorded in
> the taverna-2.2.0.log. See attached log file.

Can you check what is in the files usecase-method.conf and 
usecase-ssh.conf in Taverna's home directory? The home directory is 
probably .taverna-2.2.0 in your own home directory.

Have you looked on the remote machine to see if the working directory 
for the tool invocation was created and what it contains?

> 3a. Public key authentication doesn't work. I type in the passphrase to
> the private key and immediately get a new dialog box prompting me for
> the passphrase.

When exactly are you seeing these dialogs?

> 3b. The dialog box prompting me for the passphrase to the private key
> shows what I'm typing in clear text, which doesn't seem right to me. I
> also found that passwords are stored and viewable as clear text in the
> credentials manager.

They are viewable in plain text inside Taverna but they are stored 
encrypted on the file system. The passwords are only viewable once you 
have entered the master password to the credential manager.

> What's the best way of debugging my connections?

At the moment there is no monitoring exposed. Do you think it should be?

> /Daniel

Alan

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