<p>I'm launching a Weblogic application inside Eclipse via the BEA Weblogic Server v9.2 runtime environment. If this were running straight from the command-line, I'd do a ctrl-BREAK to force a thread dump. Is there a way to do it in Eclipse?</p>

Did you try to launch your eclipse with java.exe instead of javaw.exe (in your
eclipse.ini
) ?
That might give you the console you need, as described in
this bug
and in
this message
.
Other ideas (in term of java options) could be derived from this
other SO question
.