ProxyErrorOverride disables workers when a 50x error code is returned by the backend server

Solution Unverified - Updated -


  • When we use ProxyErrorOverride and receive a 500 response from the JBoss backend through mod_cluster, we see that worker is put an error state and traffic to it is disabled. This causes unwanted session failover and also leads to All workers are in error states occurrences if or when all nodes are disabled.


  • JBoss Enterprise Application Platform (EAP) 6.x
  • Apache httpd
  • mod_cluster

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content