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POHow to Get Detailed Error Message From IIS 7.5 While Consuming MVC 4 WebAPI Restful Service?
 

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  1. POHow to Get Detailed Error Message From IIS 7.5 While Consuming MVC 4 WebAPI Restful Service?
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    <p>Assume I have a working Method in a Controller. Pseudo code could be: </p> <pre><code>public IEnumerable&lt;ViewMP3&gt; MyMP3(string token, string id) { using (ControlDbContext db = new MyDbContext()) { List&lt;ViewMP3&gt; list = ...some list linq statement return list; }} </code></pre> <p>I consume the WebAPI using HttpClient and no error is produced. Now, suppose I throw an error on purpose: throw new ArgumentException("hello"); //inserted in method above</p> <p>How can I get a real detailed error message. All I can get is IIS 7.5 Detailed Error - 500.0 - Internal Server Error. Note: not to confuse the issue, I pass the error output of the WebAPI service back to the client in a string. The error is originating inside the service but will only produce the 500.0 error. Normally JSON is returned but when a known error condition is set, I change my code to grab the response in a string format and pass on to the client. That is how I know what the error contains.</p> <p>I have tried enabling "Send Errors to Browser". I have changed IIS Error Pages Feature Settings to Detailed Errors. I have changed Web.Config to include </p> <pre><code>&lt;customErrors mode="Off" /&gt; &lt;compilation debug="true" targetFramework="4.0" /&gt; </code></pre> <p>and</p> <pre><code>&lt;httpErrors errorMode="Detailed"&gt; &lt;remove statusCode="500" subStatusCode="-1" /&gt; &lt;/httpErrors&gt; . </code></pre> <p>I have granted IIS_IUSRS rights to the folder with the web files.</p> <p>I had a real error earlier in the day that was nearly impossible to troubleshoot because of the generic 500.0 error. Any idea what else I could do to get detailed error messages?</p> <p>Thanks!</p>
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    1. PTQuestion
    1. UStereško
    1. USRichard Blevins
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    1. COMaybe this will help: http://stackoverflow.com/questions/7036491/get-webclient-errors-as-string
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      1. POHow to Get Detailed Error Message From IIS 7.5 While Consuming MVC 4 WebAPI Restful Service?
      1. USQuintium
    2. COQuintium, I applied the concept in the link and it worked. That taught me a good lesson about error handling and services. If I place the code int y = 0; int x = 0 / y; in my WebAPI Service and call it from the client, error 500 occurs. If I wrap it in try/catch, then a Divide By Zero error returns. That is exactly what I needed. I guess you will post this as the answer and I accept it? Just let me know. Thank-you for your help!
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      1. POHow to Get Detailed Error Message From IIS 7.5 While Consuming MVC 4 WebAPI Restful Service?
      1. USRichard Blevins
    3. COGlad to hear it worked, Richard. Answer from comment: http://stackoverflow.com/questions/7036491/get-webclient-errors-as-string
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      1. POHow to Get Detailed Error Message From IIS 7.5 While Consuming MVC 4 WebAPI Restful Service?
      1. USQuintium
 

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