Forum OpenACS Q&A: Re: Invalid command name "::thread::create", invoked from within ns_mutex eval ns_mutex::throttle

Hello!
We added a package require Thread to xotcl-core/tcl/40-thread-mods-procs.tcl and the error message changed to

invalid command name "throttler"
while executing
"throttler add_url_stat GET /resources/theme-zen/css/handheld.css {accepttime 0.000000 queuetime 0.000059 filtertime 0.008928 runtime 0.000018 ms 9} no..."
invoked from within
"thread::send $tid $args"
(procedure "do" line 62)
invoked from within
"::throttle do throttler add_url_stat GET /resources/theme-zen/css/handheld.css {accepttime 0.000000 queuetime 0.000059 filtertime 0.008928 runtime 0.0..."
::throttle->add_url_stat
invoked from within
":add_url_stat ${:method} ${:url} [:partialtimes] ${:requestor} ${:pa} [ns_set get [ns_conn outputheaders] Content-Type]"
(procedure "trace" line 9)
invoked from within
"throttle trace"

I am using the tclsh for Arch Linux, which is thread enabled.