Generating a HAR file

On some occasions, dataloader.io support team might request a HAR file for troubleshooting purposes. A HAR file will contain information about the network requests that are generated in your browser when the error occurs. This might be helpful to find the root cause of the error.

You will find below instructions on how to generate the HAR file on different browsers.

Chrome

1. In Chrome, navigate to the last page before the error occurs.
2. From menu button (three vertical dots) click on More Tools > Developer Tools.
3. Click on the Network tab.
4. Find a round Record button in the upper left corner of the tab and validate it is red. In case it is grey, click on it once to start recording.
5. Ensure the box "Preserve log" is checked.
6. Clear existing logs by clicking on the Clear button (a grey prohibited sign).
7. Now you should reproduce the error. The network requests and responses will be recorded, including the error.
8. Once you have reproduced the issue, right-click anywhere on the grid of network requests, select Save as HAR with Content, and save the file to your computer.
9. Attach the generated HAR file to the ticket (or attach it to the email).

Firefox

1. In Firefox, navigate to the last page before the error occurs.
2. From menu button (three horizontal parallel lines) at the top-right of your browser window, select Web Developer > Network.
3. The Developer Network Tools panel will be opened (at the side or bottom).
4. Click the Network tab.
5. The recording starts automatically.
6. Now you should reproduce the error. The network requests and responses will be recorded, including the error.
7. Validate that actions have been recorded in the Developer Network Panel and then right-click anywhere under the File column > Save all as Har.
8. Save the HAR file to your computer.
9. Attach the generated HAR file to the ticket (or attach it to the email).

In case you have a different browser, similar steps should be available on it or the browsers support site. Anyway, in case of doubts on how to generate the HAR file on a different browser, please, ask to the Support Engineer working on your case to get specific instructions for you.