Can't get the xpcom service with do_GetService

I try to use the following code to get the the jsdIDebuggerService, but it failed
    
    nsresult rv;
    const char jsdServiceCtrID[] = "@mozilla.org/js/jsd/debugger-service;1";
    nsCOMPtr jsds = do_GetService(jsdServiceCtrID, &rv);

who can help me solve it?