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  • nickornotto 397 posts 900 karma points
    May 10, 2019 @ 21:44

    Error on generating models in Umbraco 7.6 in ModelsBuilder API mode

    I have Umbraco 7.6

    I am trying to enable ModelsBuilder in API mode. As far as I learned in my version of umbraco Umbraco.ModelsBuilder.Api should have already been part of the Umbraco.Core and installed.

    However when I check in my Developer > ModelsBuilders tab I can see this:

    ModelsBuilder is enabled, with the following configuration:
    The models factory is enabled.
    The API is enabled but not installed.
    External tools such as Visual Studio cannot use the API.
    No models mode is specified: models will not be generated.
    Models namespace is Umbraco.Web.PublishedContentModels.
    Static mixin getters are enabled. The pattern for getters is "Get{0}".
    Tracking of out-of-date models is not enabled.

    In my web.config I have this:

      <add key="Umbraco.ModelsBuilder.Enable" value="true" />
    <add key="Umbraco.ModelsBuilder.EnableApi" value="true" />
      <add key="Umbraco.ModelsBuilder.ModelsMode" value="Nothing" />

    Since it says:

    The API is enabled but not installed.

    I tried to install Umbraco.ModelsBuilder.Api but have not found any information which ModelsBuilder versions are compatible with Umbraco 7.6 so I installed the latest 8.0.4 into my start Web project.

    I installed VS extension and created a separate project to hold models eg. MyProject.Umbraco.Models, right-clicked Builder.cs file and clicked 'Run custom tool' (which I previously set up in the Builder.cs properties.

    It does something but at the end it throws an error:

    UmbracoModelsBuilder: Starting v8.0.4 10/05/2019 18:29:01.
    UmbracoModelsBuilder: UmbracoModelsBuilder failed to generate code: UnsupportedMediaTypeException: No MediaTypeFormatter is available to read an object of type 'IDictionary`2' from content with media type 'text/html'.
    UmbracoModelsBuilder:    at System.Net.Http.HttpContentExtensions.ReadAsAsync[T](HttpContent content, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger, CancellationToken cancellationToken)
       at Umbraco.ModelsBuilder.Api.ApiClient.GetModels(Dictionary`2 ourFiles, String modelsNamespace)
       at Umbraco.ModelsBuilder.CustomTool.CustomTool.UmbracoModelsBuilder.GenerateRaw(String wszInputFilePath, String wszDefaultNamespace, IntPtr[] rgbOutputFileContents, UInt32& pcbOutput, String& errMsg)

    Anyone can help with this?

  • Simon Dingley 1472 posts 3429 karma points c-trib
    Feb 13, 2020 @ 09:51
    Simon Dingley


    Several version of Models Builder have existed:

    Version 2.x (and older) are old, obsolete versions of Zbu.ModelsBuilder Version 3.x is the current version of Umbraco.ModelsBuilder for Umbraco 7 Version 8.x is the current version of Umbraco.ModelsBuilder for Umbraco 8

    Borrowed from the readme on

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