You may want to change the build users password :-o
Maven will want the “tf” command to be on the path which it appears it’s not[1] (Jenkins uses the absolute path that its configured with[2]
I would double check that environment that the user Jenkins is running as has /usr/bin/tfs on the path
/James
[1] 16:06:15 [INFO] err - /bin/sh: tf: command not found
[2] 16:02:33 [workspace] $ /usr/bin/tfs/tf workspaces -format:brief -server:http://1.2.3.250:8080/tfs/2x ********