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Remove http client 4 support (#785)

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This commit is contained in:
Olga Maciaszek-Sharma
2022-11-10 18:50:12 +01:00
committed by GitHub
parent 6f1fab1ab3
commit d30540d144
29 changed files with 267 additions and 716 deletions
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docs/src/main/asciidoc/spring-cloud-openfeign.adoc
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@@ -130,8 +130,12 @@ If none of them is on the classpath, the default feign client is used.
NOTE: `spring-cloud-starter-openfeign` supports `spring-cloud-starter-loadbalancer`. However, as is an optional dependency, you need to make sure it been added to your project if you want to use it.
The OkHttpClient and ApacheHttpClient and ApacheHC5 feign clients can be used by setting `spring.cloud.openfeign.okhttp.enabled` or `spring.cloud.openfeign.httpclient.enabled` or `spring.cloud.openfeign.httpclient.hc5.enabled` to `true`, respectively, and having them on the classpath.
You can customize the HTTP client used by providing a bean of either `org.apache.http.impl.client.CloseableHttpClient` when using Apache or `okhttp3.OkHttpClient` when using OK HTTP or `org.apache.hc.client5.http.impl.classic.CloseableHttpClient` when using Apache HC5.
The OkHttpClient and Apache HttpClient 5 Feign clients can be used by setting `spring.cloud.openfeign.okhttp.enabled` or `spring.cloud.openfeign.httpclient.hc5.enabled` to `true`, respectively, and having them on the classpath.
You can customize the HTTP client used by providing a bean of either `org.apache.hc.client5.http.impl.classic.CloseableHttpClient` when using Apache HC5.
You can further customise http clients by setting values in the `spring.cloud.openfeign.httpclient.xxx` properties. The ones prefixed just with `httpclient` will work for all the clients, the ones prefixed with `httpclient.hc5` to Apache HttpClient 5 and the ones prefixed with `httpclient.okhttp` to OkHttpClient. You can find a full list of properties you can customise in the appendix.
TIP: Starting with Spring Cloud OpenFeign 4, the Feign Apache HttpClient 4 is no longer supported. We suggest using Apache HttpClient 5 instead.
Spring Cloud OpenFeign _does not_ provide the following beans by default for feign, but still looks up beans of these types from the application context to create the feign client: