Cannot Load HTML5 Report Viewer after upgrading Telerik Report

[Daniel]

After upgrading the Telerik Report to version 1021, the report viewer is unable load properly.

In the console, I'm getting an error: Failed to load resource: the server responded with a status of 404 (Not Found) ... http://localhost:8080/api/reportservice/resources/js/telerikReportViewer-14.2.20.1021.min.js

Is this because of the Telerik Reporting REST API not properly hosted?

How should I fix this issue?

Thanks!

[Neli]

Hi Daniel,

There might be an issue with the REST service. To verify whether the service works correctly you can make a request for the available document formats using the following URL:

http://localhost: [portnumber]/api/reports/formats

If the request is successful you should receive the document formats encoded in JSON. For more information see: Get Available Document Formats.

You may also use Fiddler Jam to check the values in the requests. 

As a side note, I would also recommend upgrading to the latest version - 16.0.22.225.