unity 4 Please check your configuration file and verify this type name.

时间：2021-05-31 21:34:13

The problem is in you config file. You are mixing two concepts with some incorrect syntax.

The <assembly... /> and <namespace ... /> nodes provide an assembly and namespace search order when your <register ... /> node contains a type that cannot be found by itself. If a type cannot be found, it searches through all combinations of [namespace].Type, [assembly]. Here's where the error is: it does NOT search for Type, [assembly]. If any <namespace ... /> nodes are defined, it does NOT try appending only the assembly.

So your <register type="Biblioteca.Contracts.IManterCategoriaBO" mapTo="Biblioteca.Business.ManterCategoriaBO" /> node has the type Biblioteca.Contracts.IManterCategoriaBO which does not contain the assembly, so it cannot be found. Therefore, it needs to do a search. You did specify <namespace ... /> nodes, so it will first tryBiblioteca.Biblioteca.Contracts.IManterCategoriaBO, Biblioteca. Notice the duplicate Biblioteca name.

Here's a corrected config file.

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

  <configSections>

    <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration" />

  </configSections>

  <unity xmlns="http://schemas.microsoft.com/practices/2010/unity">

    <assembly name="Biblioteca" />

    <assembly name="Biblioteca.Contracts" />

    <assembly name="Biblioteca.Business" />

    <namespace name="Biblioteca" />

    <namespace name="Biblioteca.Contracts" />

    <namespace name="Biblioteca.Business" />

    <container>

      <register type="IManterCategoriaBO" mapTo="ManterCategoriaBO" />

      <!-- Or this works -->

      <!--<register type="Biblioteca.Contracts.IManterCategoriaBO, Biblioteca" mapTo="Biblioteca.Business.ManterCategoriaBO, Biblioteca" />-->

    </container>

  </unity>

</configuration>

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