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HTTP Error 502 displays when opening the WHD Console

This article describes how to resolve HTTP Error 502 that displays when you access the Web Help Desk Console.

First published date

10/17/2018 7:50 PM

Last published date

2/25/2025 11:35 PM

Overview

This article provides steps to resolve the following error when accessing the Web Help Desk Console.: 

HTTP Error 502 Bad Gateway

Product section

Web Help Desk

Cause

Multiple Java Daemon instances are running on the Web Help Desk server.

Resolution

  1. Stop the Web Help Desk Service. 
  #sudo service webhelpdesk stop

 

2. Check if there are multiple instances of Java Daemon running on the server.   #ps -ef | grep java

  #ps -ef | grep java

3. Stop all running Java instances.
 

 #kill -9 <Java PID> 

4. Start the Web Help Desk Service. 

  #sudo service webhelpdesk start