SharePoint App Deployment fails

SharePoint App Deployment fails

Visual Studio does not tell you much if an app deployment fails.

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Fortunately SharePoint will log more information about the problem that occurred during the app deployment in the ULS-Log.

So if you run into the “There were deployment errors.” exception, take a look at the ULS-Log. In this particular case SharePoint didn’t like my JavaScript:

App Packaging: CreatePackage: Unexpected exception: There were errors when validating the App package: There were errors when validating the App Package. Other warnings / errors associated with this exception:  Custom action urls must start with "http:", "https:", "~appWebUrl" or "~remoteAppUrl".  The url "javascript:DoSomething();" is not in the right format.

Always to remember to look at the logfiles, if you have exceptions. They often contain more information 🙂

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