IoT Java SDKでのアプリケーションのインストゥルメンテーション

import com.appdynamics.iot.events.CustomEvent;
...
CustomEvent.Builder builder = CustomEvent.builder("FL Pressure Drop", "Front Left Tire Pressure Drop");
long eventStartTime = System.currentTimeMillis();
long duration = 6000;
builder.withTimestamp(eventStartTime).withDuration(duration);
builder.addLongProperty("PSI Drop", 37);
CustomEvent customEvent = builder.build();

Instrumentation.addEvent(customEvent);

Instrumentation.sendAllEvents();

import com.appdynamics.iot.HttpRequestTracker;
...        
String url = "http://ip.jsontest.com/?callback=showMyIP";        
// Add a Network Event
try {
    URL thisUrl = new URL(url);
    // [Splunk AppDynamics Instrumentation] Get a Tracker            
    HttpURLConnection con = (HttpURLConnection) thisUrl.openConnection();            
    final HttpRequestTracker tracker = Instrumentation.beginHttpRequest(thisUrl);
    con.setRequestMethod("POST");
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");            
    int responseCode = con.getResponseCode();            
    con.setDoInput(true);
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.flush();
    wr.close();
    System.out.println("Response Code :" + responseCode);            
    // [Splunk AppDynamics Instrumentation] Retrieve the headers from the response
    Map<String, List<String>> headerFields = null;
    System.out.println("Sending 'POST' request to URL :" + url);
    BufferedReader in;
    String inputLine;
    new InputStreamReader(con.getErrorStream()));
    if (responseCode >= 200 && responseCode < 300) {
        in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    } else {
        in = new BufferedReader(
    }
    StringBuffer response = new StringBuffer();
    if (headerFields != null && headerFields.size() > 0){
        while ((inputLine = in.readLine()) != null) {
           response.append(inputLine);
        }
        in.close();
        // [Splunk AppDynamics Instrumentation] Initiate adding NetworkRequestEvent
        if (responseCode >= 200 && responseCode < 300) {
            tracker.withResponseCode(responseCode).withError(response.toString()).reportDone();
                   .withResponseHeaderFields(headerFields)                    
                   .reportDone();
        } else {
            tracker.withResponseCode(responseCode).reportDone();
        }
    } else {
        tracker.withResponseCode(responseCode)
    } 
// End: Add for Splunk AppDynamics Instrumentation - Initiate adding NetworkRequestEvent
} catch (MalformedURLException e) {
    e.printStackTrace();
} catch (Exception ex) {            
    ex.printStackTrace();
}

Instrumentation.sendAllEvents();

try {
    //Force creating an exception
    float f = (5 / 0);   
} catch (Throwable t) {
    Instrumentation.addErrorEvent(t, Instrumentation.Severity.ALERT);
}

Instrumentation.sendAllEvents();