As we discovered that for Yocto plug-in, tcf usage is only for supporting remote connection instead of originally planned that provides a extensible framework for adding other services. We need to look into another alternative remote connection support through ssh, which is more conventional in an embedded image
The eclipse side code is at http://git.yoctoproject.org/cgit/cgit.cgi/eclipse-poky/log/?h=JunoSSH.
Fixed in http://git.yoctoproject.org/cgit/cgit.cgi/eclipse-poky/commit/?id=4a2c7abaaaabf0a14c80177202d27df97fd12915 http://git.yoctoproject.org/cgit/cgit.cgi/eclipse-poky/commit/?id=06891dfa141de722080fbe025eabbd20463b6554
verify it in 1.3_M2 RC1. git branch: poky/master git info: eb0cb7e8234f5d2e5623406e9660be91cf52f65e