This issue was seen with a Cisco 6509 in particular, but is not limited to this device. Discover jobs will dump tcl code in the Discover Results window, with 0 elements found.
Example of tcl code dump:
New libraries used by finder tcl in discovery process does not support calls to functions that previous libraries supported.
Problem Ticket: PRD00047533
The issue documented above has been resolved in the following release(s):
eHealth 6.2.1 Device Certification D04
eHealth Service Packs are available for download from support.ca.com. Please review the README file for each Service Pack prior to installing. CA recommends that users always keep eHealth current by installing the latest Service Pack available.