Can't access to action Web API -Route attribute inheritance - ASP.NET Core Controllers

[Thabetidris]

I have three levels of route attribute inheritance :
ClassA : ClassB public string Concat(..) [Route(..)] ClassB : ClassC [Route(..)] ClasseC: ControllerBase

The problem is that service "Concact" in the ClasseA never working !

Here is my code with details:

• 
  UniteAdministrativeController
  

public class UniteAdministrativeController : ControleurRechercheBase<Entites.UniteAdministrative, DbContext>
{
protected readonly IRechercheDAO<Entites.UniteAdministrative, DbContext> rechercheDAOtest;
public UniteAdministrativeController(IRechercheDAO<Entites.UniteAdministrative, DbContext> rechercheDAO)
: base( rechercheDAO)
{
rechercheDAOtest = rechercheDAO;
}

[HttpPost]
[Route("Concat")]

public string Concat([FromBody] CritereRecherche critereRecherche)
{
//...
}
}


* ControleurRechercheBase

[Route("api/v{version:apiVersion}/[controller]")]
public abstract class ControleurRechercheBase<TEntite, TContexte> : ControleurObtentionBase<TEntite>
where TEntite : class
where TContexte : ContexteBase
{
protected readonly IRechercheDAO<TEntite, TContexte> RechercheDao;

protected ControleurRechercheBase(IRechercheDAO<TEntite, TContexte> rechercheDAO);

[HttpPost("Recherche")]
public Task<IActionResult> Rechercher([FromBody] CritereRecherche critereRecherche);
}


* ControleurObtentionBase :

[Route("api/v{version:apiVersion}/[controller]")]
public abstract class ControleurObtentionBase<T> : ControleurBase where T : class
{

protected ControleurObtentionBase();

[HttpGet]
[HttpGet("{parametre}")]
[ProducesAttribute("application/json", new[] { })]

public Task<IActionResult> Get(string parametre);
}



My problem here is i can't execute the action HTTPPOST "Concat" , and when i test it with POSTMAN: https://localhost:44339/api/v1.0/UniteAdministrative/


I get error 415,

How can I fix it? Or any idea to modify it ?

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