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  • Common Content for Data Engineering 10.2.1
  • All Products

Table of Contents

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  1. Preface
  2. Web Services
  3. SOAP Web Services
  4. WSDL Data Object
  5. Schema Object
  6. How to Create a SOAP Web Service
  7. Operation Mappings
  8. Parsing Web Service SOAP Messages
  9. Generating Web Service SOAP Messages
  10. Web Service Consumer Transformation
  11. REST Web Services
  12. How to Create a REST Web Service
  13. REST Web Service Consumer Transformation
  14. REST Web Service Consumer Transformation Use Cases
  15. REST and SOAP Web Service Administration
  16. Datatype Compatibility

Web Services Guide

Web Services Guide

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Message Compression

Message Compression

When you enable SOAP message compression, the Web Service Consumer transformation compresses web service request messages and receives compressed web service response messages.
The Web Service Consumer transformation encodes the SOAP request with GZip compression. The transformation accepts a response message encoded with the GZip or the deflate compression.
When the Data Integration Service receives the response from the web service, it checks the Content-Encoding HTTP header in the SOAP message and it decodes the message.
The default is no compression encoding. The web service does not compress the SOAP response.
The following table shows the headers in the request and response messages when compression is on or off:
Compression
Header
On
Content-Encoding header: GZip
Accept-Encoding header: GZip, deflate
Off
Empty Content-Encoding header
Empty Accept-Encoding header
Sometimes a web service encodes a response message with a default compression. The Web Service Consumer transformation decodes the message if it is GZip or deflate encoded. The Web Service Consumer transformation logs a message to the mapping log if the web service encodes the response message unexpectedly.
Enable compression in the transformation advanced properties.
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