rem: var str = this.uri.spec; 
add: var str = (this.uri ? this.uri.spec : "no uri"); 
context:     toString:    function( msg )    {        var str = this.uri.spec;        if (this.m_userId != null) {            str += (", userId=" + this.userId);        }        if (this.m_sessionId == null) {            str += (getIoService().offline ? ", offline" : ", not logged in");        }//         else {//             str += (", session-id=" + this.m_sessionId);//         }        return str;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/91e55737541dcc44b49686710a0aa3138569631e/calWcapSession.js/clean/calendar/providers/wcap/calWcapSession.js