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Title: Support deflate request encoding in HC5 by kmdy7991 · Pull Request #3464 · OpenFeign/feign · GitHub

Open Graph Title: Support deflate request encoding in HC5 by kmdy7991 · Pull Request #3464 · OpenFeign/feign

X Title: Support deflate request encoding in HC5 by kmdy7991 · Pull Request #3464 · OpenFeign/feign

Description: Spring Cloud OpenFeign request compression can add Content-Encoding: gzip,deflate. feign-hc5 currently rejects any request that includes deflate, so the request fails before it is sent. This removes the unconditional rejection and adds request deflate support in HC5. The sync client uses Apache HttpClient 5's DeflateCompressingEntity; the async client compresses the simple request body bytes directly. When both gzip and deflate are present, gzip remains the effective encoding, matching Feign's existing default client precedence. The same error was reproduced in Spring Cloud OpenFeign versions 4.1.2, 4.1.5, and 5.0.2 prior to the modification. After applying the feign-hc5 changes, we confirmed that the same application is working correctly. Tests: ./mvnw -Pdev -pl hc5 -Dtest=DeflateHttp5ClientTest,GzipHttp5ClientTest,AsyncApacheHttp5ClientTest test ./mvnw -Pdev -pl hc5 -am clean test Fixes #2460

Open Graph Description: Spring Cloud OpenFeign request compression can add Content-Encoding: gzip,deflate. feign-hc5 currently rejects any request that includes deflate, so the request fails before it is sent. This remove...

X Description: Spring Cloud OpenFeign request compression can add Content-Encoding: gzip,deflate. feign-hc5 currently rejects any request that includes deflate, so the request fails before it is sent. This remove...

Opengraph URL: https://github.com/OpenFeign/feign/pull/3464

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913b8de support deflate request encoding in HC5 kmdy7991 Jul 2, 2026 https://github.com/OpenFeign/feign/pull/3464/commits/913b8dee6117172815a0b219416ffcf7c20dac7f
9e11fbc Merge branch 'master' into fix/hc5-deflate-request-encoding kmdy7991 Jul 2, 2026 https://github.com/OpenFeign/feign/pull/3464/commits/9e11fbc378da44c3a96eca80bbdf8f74ecc77cc1
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