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# File webrick/httpresponse.rb, line 203 def set_error(ex, backtrace=false) case ex when HTTPStatus::Status @keep_alive = false if HTTPStatus::error?(ex.code) self.status = ex.code else @keep_alive = false self.status = HTTPStatus::RC_INTERNAL_SERVER_ERROR end @header['content-type'] = "text/html" if respond_to?(:create_error_page) create_error_page() return end if @request_uri host, port = @request_uri.host, @request_uri.port else host, port = @config[:ServerName], @config[:Port] end @body = '' @body << "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\">\n<HTML>\n<HEAD><TITLE>\#{HTMLUtils::escape(@reason_phrase)}</TITLE></HEAD>\n<BODY>\n<H1>\#{HTMLUtils::escape(@reason_phrase)}</H1>\n\#{HTMLUtils::escape(ex.message)}\n<HR>\n" if backtrace && $DEBUG @body << "backtrace of `#{HTMLUtils::escape(ex.class.to_s)}' " @body << "#{HTMLUtils::escape(ex.message)}" @body << "<PRE>" ex.backtrace.each{|line| @body << "\t#{line}\n"} @body << "</PRE><HR>" end @body << "<ADDRESS>\n\#{HTMLUtils::escape(@config[:ServerSoftware])} at\n\#{host}:\#{port}\n</ADDRESS>\n</BODY>\n</HTML>\n" end
<code/>and<pre/>for code samples.