In my case, I was using *both* the remoteToDir and remoteToFile in an attempt to rename a file at the destination. Turns out that the remoteToFile can contain the remoteToDir as a prefix. If you have both present, then what should simply be noticed as an illogical combination of attributes is instead turned into an obscure error.

Double, and triple check that you have a well formed scp task. However, the documentation for scp does *not* make it clear what valid combinations there are.

The name of the jar that I found in my Eclipse plugins was identical to the one in your instructions. I am running Eclipse 3.1 on a RHEL4 Linux box. I do not use cvs.

When I attempt to run sshexec from an Eclipse project with the following build.xml target:

I invariably get this error:

com.jcraft.jsch.JSchException: java.lang.ArrayIndexOutOfBoundsException: 1024

This also occurs if I use an explicit password rather than
a keyfile.

What am I missing?

If you keep getting the error about authentication, you have to turn on PasswordAuthentication in the ssh server config file.