Enabling compression for incoming SOAP messages

Toni Juvani

Question

Hi,

We have a set of web services for data integration. The volumes for the incoming data is going to be very high, so we are looking for a solution that would allow us to compress the requests sent by the client initiating the messaging. I looked with Fiddler and noticed that by default the response to any client initiated request is compressed (unlike the requests) when I had created WCF client with Visual Studio.

I tried enabling compression with these instructions: https://stackoverflow.com/questions/10600278/wcf-compression-with-net-4

Now my binding configuration at the client is like this:

<customBinding>
  <binding name="BinaryCompressionBinding">
    <binaryMessageEncoding compressionFormat="GZip"/> 
    <httpTransport /> 
  </binding> 
</customBinding>

When checking with Fiddler, I see that the request sent by the client now is compressed. However, Outsystems now responds with an error message:

HTTP/1.1 500 Internal Server Error

Cache-Control: private

Content-Security-Policy: frame-ancestors 'self'

Content-Type: application/soap+xml; charset=utf-8

Date: Mon, 01 Feb 2016 08:39:51 GMT

Server: Microsoft-IIS/8.5

X-Frame-Options: SAMEORIGIN

Content-Length: 533

Connection: keep-alive

<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="https://www.w3.org/2003/05/soap-envelope" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="https://www.w3.org/2001/XMLSchema"><soap:Body><soap:Fault><soap:Code><soap:Value>soap:Receiver</soap:Value></soap:Code><soap:Reason><soap:Text xml:lang="en">Server was unable to process request. ---> '', hexadecimal value 0x1F, is an invalid character. Line 1, position 1.</soap:Text></soap:Reason><soap:Detail /></soap:Fault></soap:Body></soap:Envelope>

Do you have any suggestions on how to enable compression for incoming requests to Outsystems?

01 Feb 2016

Toni Juvani

When trying with Visual Studio test project, I sent the following request:

POST https://test/Utilytics/TimeSeriesData.asmx HTTP/1.1

Content-Type: application/soap+msbin1+gzip

Host: test.utilytics.com

Content-Length: 477

Expect: 100-continue

Accept-Encoding: gzip, deflate

Connection: Keep-Alive

(binary content)

Received the following response:

HTTP/1.1 500 Internal Server Error

Cache-Control: private

Content-Security-Policy: frame-ancestors 'self'

Content-Type: application/soap+xml; charset=utf-8

Date: Mon, 01 Feb 2016 10:15:35 GMT

Server: Microsoft-IIS/8.5

X-Frame-Options: SAMEORIGIN

Content-Length: 533

Connection: keep-alive

When trying with SOAP UI, I sent the following request:

POST https://test/Utilytics/TimeSeriesData.asmx HTTP/1.1

Content-Encoding: gzip

Accept-Encoding: gzip,deflate

Content-Type: text/xml;charset=UTF-8

SOAPAction: "https://Utilytics/TimeSeriesData/GetTimeSeriesData"

Content-Length: 339

Host: test.utilytics.com

Connection: Keep-Alive

User-Agent: Apache-HttpClient/4.1.1 (java 1.5)

(binary content)

Received the following response:

HTTP/1.1 400 Bad Request

Cache-Control: private

Content-Security-Policy: frame-ancestors 'self'

Content-Type: text/html

Date: Mon, 01 Feb 2016 10:13:25 GMT

Server: Microsoft-IIS/8.5

X-Frame-Options: SAMEORIGIN

transfer-encoding: chunked

Connection: keep-alive

Bad Request

01 Feb 2016

Toni Juvani

I also tried by creating a REST interface. Still it seems that the request does not get uncompressed before it arrives to the web service action.

Request:

PUT https://dev/rest//TimeSeriesData/SaveTimeSeriesData? HTTP/1.1

Content-Type: application/json; charset=utf-8

Content-Encoding: gzip

Host: dev.utilytics.com

Content-Length: 327

Expect: 100-continue

Accept-Encoding: gzip, deflate

Connection: Keep-Alive

Response:

HTTP/1.1 400 Bad Request

Cache-Control: no-cache

Content-Security-Policy: frame-ancestors 'self'

Content-Type: application/json; charset=utf-8

Date: Mon, 01 Feb 2016 13:12:57 GMT

Expires: -1

Pragma: no-cache

Server: Microsoft-IIS/8.5

X-Frame-Options: SAMEORIGIN

Content-Length: 144

Connection: keep-alive

{"Errors":["Failed to parse 'auxinParamData': Unable to translate bytes [8B] at index 1 from specified code page to Unicode."],"StatusCode":400}

01 Feb 2016

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