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POHttpWebResponse Times out on Google Places API call
 

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  1. POHttpWebResponse Times out on Google Places API call
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    <p>I am working on an app to iterate through a list of zip codes and business types that will then create a call to the Google Places API (Text Search) via a url that I construct for those parameters.</p> <p>The url will look something like this </p> <p><a href="https://maps.googleapis.com/maps/api/place/textsearch/json?key=MY_API_KEY_HERE&amp;sensor=false&amp;query=57783+dentist" rel="nofollow">https://maps.googleapis.com/maps/api/place/textsearch/json?key=MY_API_KEY_HERE&amp;sensor=false&amp;query=57783+dentist</a></p> <p>The function below is called for each of these requests:</p> <pre><code> private static StreamReader MakeWebRequest(string sURL) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sURL); HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream responseStream = response.GetResponseStream(); StreamReader objReader = new StreamReader(responseStream); return objReader; } </code></pre> <p>The problem I am experiencing is that, after 3 to 5 iterations, the response object times out (System.Net.WebException = "The operation has timed out"). My first thought was that the requests were being sent to quickly, so I inserted a Sleep(2000) in the loop, but this seems to have no effect. I have checked the urls that are failing and pasted them into a browser and they <strong>do</strong> return the proper data.</p> <p>As I understand it, the only limitation to calls on this api are the 1000 per day I get with an unverified account. What am I missing?</p> <p>EDIT: Here is the rest of the program block:</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Net; using System.IO; using System.Web; using Newtonsoft.Json; using Newtonsoft.Json.Linq; using GooglePlacesJSONGenerator.Models; namespace GooglePlacesJSONGenerator { class Program { static void Main(string[] args) { //set up a list of zips List&lt;string&gt; zipcodeList = new List&lt;string&gt;(); zipcodeList.Add("57754"); zipcodeList.Add("57783"); zipcodeList.Add("57785"); //setup a list of business types List&lt;string&gt; businessTypeList = new List&lt;string&gt;(); businessTypeList.Add("restaurants"); businessTypeList.Add("dentist"); businessTypeList.Add("gym"); //main data set GooglePlaceDataSet places = new GooglePlaceDataSet(); //base url string urlBase = "https://maps.googleapis.com/maps/api/place/textsearch/json?key=MY_API_KEY_HERE&amp;sensor=false&amp;query="; string nextUrlBase = urlBase + "&amp;pagetoken="; Stream objStream; //loop on zip codes foreach (string zip in zipcodeList) { Console.WriteLine("looping on zip " + zip); //loop on business type foreach (string type in businessTypeList) { Console.WriteLine("loop on type " + type); string sURL; string query = HttpUtility.UrlEncode(zip + " " + type); sURL = urlBase + query; Console.WriteLine("Query String: " + query); while (sURL != "") { Console.WriteLine("Our URL: " + sURL); Console.WriteLine(""); StreamReader objReader = MakeWebRequest(sURL); JsonTextReader reader = new JsonTextReader(objReader); JsonSerializer se = new JsonSerializer(); string parsedData = se.Deserialize(reader).ToString(); GooglePlaceDataSet gSet = JsonConvert.DeserializeObject&lt;GooglePlaceDataSet&gt;(parsedData); foreach (GooglePlaceData place in gSet.results) { places.results.Add(place); } if (gSet.next_page_token != null) sURL = nextUrlBase + gSet.next_page_token; else sURL = ""; System.Threading.Thread.Sleep(2000); } } } Console.ReadLine(); } </code></pre>
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    1. COCan you post the code where you're calling `MakeWebRequest`?
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    2. COit would be my pleasure.
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    3. COTry taking out the `while(sURL != "")` and replace with `if(!string.IsNullOrEmpty(sURL))`. Why are you using a while loop?
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