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Logging to elmah.io from Umbraco

Since Umbraco itself is written in ASP.NET, ELMAH works like a dream inside Umbraco. Besides logging uncaught errors, elmah.io also supports other types of messages like information and debug. In fact, all the log levels that you already know from log4net, NLog and Serilog, are supported on elmah.io as well. Logging in Umbraco CMS is based on Serilog, which elmah.io also support. We have brought all these pieces together into a NuGet package that we call: Elmah.Io.Umbraco.

To start utilizing elmah.io from your Umbraco site, all you need to do is install the Elmah.Io.Umbraco package:

Install-Package Elmah.Io.Umbraco

dotnet add package Elmah.Io.Umbraco

<PackageReference Include="Elmah.Io.Umbraco" Version="3.*" />

paket add Elmah.Io.Umbraco

During the installation, you will be asked for your API key (Where is my API key?) and log ID (Where is my log ID?).

Hit F5 and watch messages start flowing into elmah.io.

Umbraco Cloud

When using Umbraco Cloud, you may not have a local clone of the source code. To install elmah.io on Umbraco cloud, execute the following steps:

Install-Package Elmah.Io.Umbraco

dotnet add package Elmah.Io.Umbraco

<PackageReference Include="Elmah.Io.Umbraco" Version="3.*" />

paket add Elmah.Io.Umbraco
  • Commit and push all changes to the git respository. This will add elmah.io logging to your remote Umbraco Cloud project.

In case you want logging to different elmah.io logs from each Umbraco Cloud environment, please check out Umbraco's support for config transformations here: Config transforms.

What's inside?

The Elmah.Io.Umbraco package basically installs and configures three things:

  • The elmah.io Serilog sink (Warning and above)
  • An Umbraco content finder for logging 404's
  • ELMAH with elmah.io as error log

All unhandled exceptions from both ASP.NET / MVC / Web API as well as 404's are logged automatically. Warnings, errors and fatal messages logged through Serilog are send to elmah.io as well.

Configuration

If you are running on the default Umbraco template, all nessecary configuration is added during installation of the Elmah.Io.Umbraco NuGet package. If your web.config file for some reason aren't updated during installation, you can configure elmah.io manually: Configure elmah.io manually. Likewise, the installer configure the elmah.io sink for Serilog in your config\serilog.user.config file.

Different environments

You may have different environments like Staging and Production. At least you have two: Localhost and Production. If you want to log to different error logs depending on the current environment, check out Use multiple logs for different environments. Web.config transformations work on the Web.config file only but you may have other config files that need transformation as well. In terms of elmah.io, the serilog.user.config file also includes elmah.io configuration that you may want to disable on localhost and include on production. If you are running on Umbraco Cloud this is natively supported as explained here: Config Transforms. Even in self-hosted environments, you can achieve something similar using the SlowCheetah extension. Check out this question on Our for details: Deploying different umbracoSettings.config for different environments.

Umbraco 7

We still support Umbraco 7 through the Elmah.Io.Umbraco package version 3.2.35:

Install-Package Elmah.Io.Umbraco -Version 3.2.35

dotnet add package Elmah.Io.Umbraco --version 3.2.35

<PackageReference Include="Elmah.Io.Umbraco" Version="3.2.35" />

paket add Elmah.Io.Umbraco --version 3.2.35

New features will be added to the updated package for Umbraco 8 only.


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