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| REST Request node can use gzip compression / encoding? |
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| ghoshly |
 Posted: Mon Dec 12, 2022 9:43 am Post subject: REST Request node can use gzip compression / encoding? |
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Partisan
Joined: 10 Jan 2008
Posts: 327
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Hello,
I am currently using IIB v10.0.0.25 in AIX 7.2 environment where I have to perform a REST API call to an API hosted din MS Azure environment.
I am able to perform HTTP GET operation to fetch data, however in case of HTTP PUT, I am getting different errors while using HTTP Request node or REST Request node. The external API mandates to use gzip encoding and compression.
| Code: |
SET OutputRoot.HTTPRequestHeader."Content-Type" = 'application/json'; -- 'application/json;charset=UTF-8';
SET OutputRoot.HTTPRequestHeader."Content-Encoding" = 'gzip';
SET OutputRoot.HTTPRequestHeader."Accept" = 'application/json';
SET OutputRoot.HTTPRequestHeader."Accept-Encoding" = 'gzip,deflate';
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When I am using HTTP Request node, Azure Gateway doesn’t have an entry for "host_s" for PUT request so it doesn’t know how to route it. We are getting HTTP 400 as Bad Request.
When I am using REST Request node to perform the same HTTP PUT operation, it does register "host_s", but we are getting HTTP 500. Error detail shows "ERROR: The archive entry was compressed using an unsupported compression method."
I am able to send request successfully using REST request node, if the API disables the gzip requirement temporarily, but that is not the expectation for Production environment.
Though URL below mentions about HTTP and SOAP nodes, I believe REST nodes also do support gzip compression as the options are available in the node. Would anyone with similar experience can help me to move forward? Which way we can take trace to show IIB is sending the data correctly.
https://www.ibm.com/docs/en/integration-bus/10.0?topic=flows-using-compression-http-soap-nodes |
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| ghoshly |
| Posted: Mon Dec 12, 2022 10:58 am Post subject: cURL command works with gzip |
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Partisan
Joined: 10 Jan 2008
Posts: 327
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| We can send data (HTTP PUT) successfully using cURL along with gzip which shows the API working as intended, but I am unable to make it work via HTTP Request node or REST request node. Is there a way to check which gzip version being used in IIB v10? |
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| ghoshly |
| Posted: Fri Dec 16, 2022 9:56 pm Post subject: resolved... |
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Partisan
Joined: 10 Jan 2008
Posts: 327
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| What we found, the second line of code where we are setting the Content encoding with "gzip" value is causing the issue. Instead if we comment that line, we are able to invoke the API successfully. |
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