RestClient can not use both parameters, ClientHttpRequestFactory and ClientHttpRequestInterceptor

[hassberg]

RestClient can not use both parameters, ClientHttpRequestFactory and ClientHttpRequestInterceptor

[bclozel]

Hello @hassberg, thanks for reaching out.

Soon i realised, the RestClient is holding the whole file in memory, increasing the risk of OOMExceptions.

Isn't it the case already with RestTemplate? RestClient and RestTemplate do share the same underlying infrastructure. For streaming and asynchronous cases, WebClient is a better fit.

After a lot of debugging the wrong files, i stumbled accrosse the function: DefaultRestClient.createRequest(URI uri). I realised that it should not be allowed to specify both, RequestInterceptors and RequestFactories.

You are allowed to use both because they fulfill different needs: the factory creates the requets using the HTTP library and the interceptors allow to enhance/filter exchanges. Just like with RestTemplate, the configured request factory is wrapped with an InterceptingClientHttpRequestFactory if interceptors were configured. This is an implementation detail and doesn't mean that one excludes the other.

If you have a concrete failure to share, please provide a sample application that demonstrates the problem and we'll have a look. In the meantime, I'm closing this issue as it seems this was a misunderstanding in the first place.