Generate HAR file

Products

• DX Operational Intelligence
• VMware NSX
• VMware HCX

Issue/Introduction

This document intends to instruct how to generate a browser HAR file for:

• Google Chrome
• Mozilla Firefox
• Internet Explorer
• Safari
• Microsoft Edge

Environment

DX Platform
VMware NSX
VMware HCX

Resolution

NOTE: HAR files can contain sensitive data, so ensure you remove or obfuscate any personal or confidential information before sharing them.


• To generate the HAR file for Google Chrome:
  
  
  • Open Google Chrome and go to the page where the issue is occurring.

  • Look for the Vertical ellipsis button  and select More Tools > Developer Tools.

  • From the panel opened, select the Network tab.

  • Look for a round Record button in the upper left corner of the tab, and make sure it is red. If it is grey, click it once to start recording.

  • Check the box Preserve log.

  • Click the Clear button to clear out any existing logs from the Network tab.

  • Reproduce the issue that you were experiencing before, while the network requests are being recorded.

  • Once you have reproduced the issue, right-click anywhere on the grid of network requests, select Save as HAR with Content OR Export HAR (sanitized), and save the file to your computer.

  • Upload your HAR file to your ticket or attach it to your email so that our Support team can analyze it.
    
    
• To generate the HAR file for Mozilla Firefox:
  
  
  • Open Firefox and go to the page where you are experiencing trouble.
  • Select the Firefox menu (three horizontal parallel lines) at the top-right of your browser window, then select Web Developer > Network.
  • The Developer Network Tools opens as a docked panel at the side or bottom of Firefox. Click the Network tab.
  • The recording autostarts when you start performing actions in the browser.
  • Once you have reproduced the issue and you see that all of the actions have been generated in the Developer Network Panel (should just take a few seconds), right-click anywhere under the File column, and click on Save all as Har.
  • Save the HAR file somewhere convenient.
  • Upload your HAR file to your ticket or attach it to your email so that we may analyze it.
    
    
• To generate the HAR file for Internet Explorer:
  
  
  • Open Internet Explorer and go to the page where the issue is occurring.
  • Press F12 on your keyboard (or click the gear icon > F12 Developer Tools)
  • Click the Network tab.
  • Reproduce the issue that you were experiencing before, while the network requests are being recorded.
  • Once done click the Save button.
  • Give the trace a filename and click the Save button which will save it as a .har file or .xml file.
  • Upload your HAR file to your ticket or attach it to your email so that we may analyze it.
    
    
• To generate the HAR file for Safari:
  
  
  • Before generating the HAR file, make sure you can see the Develop menu in Safari. If it is not there, follow the instructions online.
  • Open the Develop menu and select Show Web Inspector.
  • Click the Network tab and complete the activity that is causing issues.
  • Click the Export icon on the far right of the network tab and save the HAR file.
    
  • Send us the file via your support ticket.