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TestRestTemplate exchange triggers UnsupportedOperationException when using a UriTemplateRequestEntity #25097

chrylis opened this issue Feb 3, 2021 · 1 comment


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@chrylis chrylis commented Feb 3, 2021

In Boot 2.4.2, both overloads of TestRestTemplate#exchange that accept RequestEntity call getUrl on it. When the RequestEntity has been initialized with a URI template instead of a, this triggers an UnsupportedOperationException.

var req = RequestEntity.get("http://localhost/helloworld").build();
var resp =, String.class);

Internally, the real RestTemplate dispatches based on the concrete type of RequestEntity, but TestRestTemplate fails to check.

see spring-projects/spring-framework#26500

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@wilkinsona wilkinsona commented Feb 4, 2021

It looks like we must be missing some tests. I think this change in behaviour is due to this change that was made in Framework 5.3.0.M1.

@wilkinsona wilkinsona self-assigned this Feb 4, 2021
@wilkinsona wilkinsona closed this in 297e307 Feb 4, 2021
@wilkinsona wilkinsona modified the milestones: 2.4.x, 2.4.3 Feb 4, 2021
@wilkinsona wilkinsona changed the title TestRestTemplate exchange triggers UnsupportedOperationException in RequestEntity TestRestTemplate exchange triggers UnsupportedOperationException when using a UriTemplateRequestEntity Feb 4, 2021
This was referenced Mar 11, 2021
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