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Puma Webserver gives “Http malformed” error when called from Azure IoT Dev Kit HttpClient

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0

I'm coding on the MXCHIP and I want to use the HttpClient from the Azure IoT devkit to connect to my own web service.

The code "works", since my endpoint is called, but the server (Sinatra with Puma web server) complains that the http request is malformed, and it seems from my investigations that its because the client seems to request SSL. But nothing in my code does that.

I have this simple Sinatra server:

require 'sinatra'
require 'json'

set :bind, '0.0.0.0'

get '/door' do
 puts "X #params['axis_x']"
 puts "Y #params['axis_y']"
 puts "Z #params['axis_z']"

 content_type :text
 puts JSON.pretty_generate(request.env)
end

and the client does nothing fancy (some code removed for readability):

HTTPClient *httpClient = new HTTPClient(HTTP_GET, url);
const Http_Response *result = httpClient->send();
if (result == NULL) 
 /* error handling */

delete httpClient;

the code works and the GET request with some query parameters arrive at the server, but the server always prints:

HTTP parse error, malformed request (): #<Puma::HttpParserError: 
Invalid HTTP format, parsing fails.>

My googling tells me that this is something that I could get if I use an URL that starts with "https://", but I am not doing that. It starts with http://

I get the call, and all query parameters, so why is Puma printing this error?

Also, If I construct the URL in a browser, I don't get this error in Puma. So what is the problems with Azure IoT DevKit HttpClient?

azure sinatra puma azure-iot-sdk iot-devkit

share|improve this question

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

add a comment | 

0

I'm coding on the MXCHIP and I want to use the HttpClient from the Azure IoT devkit to connect to my own web service.

The code "works", since my endpoint is called, but the server (Sinatra with Puma web server) complains that the http request is malformed, and it seems from my investigations that its because the client seems to request SSL. But nothing in my code does that.

I have this simple Sinatra server:

require 'sinatra'
require 'json'

set :bind, '0.0.0.0'

get '/door' do
 puts "X #params['axis_x']"
 puts "Y #params['axis_y']"
 puts "Z #params['axis_z']"

 content_type :text
 puts JSON.pretty_generate(request.env)
end

and the client does nothing fancy (some code removed for readability):

HTTPClient *httpClient = new HTTPClient(HTTP_GET, url);
const Http_Response *result = httpClient->send();
if (result == NULL) 
 /* error handling */

delete httpClient;

the code works and the GET request with some query parameters arrive at the server, but the server always prints:

HTTP parse error, malformed request (): #<Puma::HttpParserError: 
Invalid HTTP format, parsing fails.>

My googling tells me that this is something that I could get if I use an URL that starts with "https://", but I am not doing that. It starts with http://

I get the call, and all query parameters, so why is Puma printing this error?

Also, If I construct the URL in a browser, I don't get this error in Puma. So what is the problems with Azure IoT DevKit HttpClient?

azure sinatra puma azure-iot-sdk iot-devkit

share|improve this question

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

add a comment | 

I'm coding on the MXCHIP and I want to use the HttpClient from the Azure IoT devkit to connect to my own web service.

The code "works", since my endpoint is called, but the server (Sinatra with Puma web server) complains that the http request is malformed, and it seems from my investigations that its because the client seems to request SSL. But nothing in my code does that.

I have this simple Sinatra server:

require 'sinatra'
require 'json'

set :bind, '0.0.0.0'

get '/door' do
 puts "X #params['axis_x']"
 puts "Y #params['axis_y']"
 puts "Z #params['axis_z']"

 content_type :text
 puts JSON.pretty_generate(request.env)
end

and the client does nothing fancy (some code removed for readability):

HTTPClient *httpClient = new HTTPClient(HTTP_GET, url);
const Http_Response *result = httpClient->send();
if (result == NULL) 
 /* error handling */

delete httpClient;

the code works and the GET request with some query parameters arrive at the server, but the server always prints:

HTTP parse error, malformed request (): #<Puma::HttpParserError: 
Invalid HTTP format, parsing fails.>

My googling tells me that this is something that I could get if I use an URL that starts with "https://", but I am not doing that. It starts with http://

I get the call, and all query parameters, so why is Puma printing this error?

Also, If I construct the URL in a browser, I don't get this error in Puma. So what is the problems with Azure IoT DevKit HttpClient?

azure sinatra puma azure-iot-sdk iot-devkit

share|improve this question

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

require 'sinatra'
require 'json'

set :bind, '0.0.0.0'

get '/door' do
 puts "X #params['axis_x']"
 puts "Y #params['axis_y']"
 puts "Z #params['axis_z']"

 content_type :text
 puts JSON.pretty_generate(request.env)
end

HTTPClient *httpClient = new HTTPClient(HTTP_GET, url);
const Http_Response *result = httpClient->send();
if (result == NULL) 
 /* error handling */

delete httpClient;

HTTP parse error, malformed request (): #<Puma::HttpParserError: 
Invalid HTTP format, parsing fails.>

azure sinatra puma azure-iot-sdk iot-devkit

azure sinatra puma azure-iot-sdk iot-devkit

share|improve this question

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

share|improve this question

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

edited Mar 28 at 19:04

sergaz

1437

edited Mar 28 at 19:04

sergaz

1437

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933

asked Mar 24 at 15:20

Peter AnderssonPeter Andersson

1,05911933