BrowserAppPageTraffic toBrowserAppPageTraffic() {
        BrowserAppPageTraffic traffic = new BrowserAppPageTraffic();
        toBrowserAppTrafficSource(traffic);
        traffic.setName(patePath);
        traffic.setServiceName(service);
        return traffic;
    }
Browser page error metrics related source.
oap-server/server-receiver-plugin/skywalking-browser-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/browser/provider/parser/errorlog/listener/SourceBuilder.java