What is an HTTP 502 Error?

Solution Unverified - Updated -


  • Sometimes our users report seeing 502 error when they access our site.
  • Reviewing our Apache Access Logs we can see 502 Errors.


  • Red Hat Enterprise Linux (RHEL)
    • Apache Web Server (httpd)
    • Apache Tomcat
    • Nginx
  • JBoss Enterprise Application Platform (EAP)
    • 4.x, 5.x, 6.x, 7.x
    • Apache Web Server (httpd)
  • JBoss Enterprise Web Server (EWS)
    • Apache Web Server (httpd)
    • Apache Tomcat

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