All workers are in error state request header read timeout error in Apache HTTPD mod_cluster

Solution Verified - Updated -


  • The following errors in the the httpd error log:

    [reqtimeout:info] [pid 20661] [client 999.999.999.999:9999] AH01382: Request header read timeout
    [:error] [pid 24429] proxy: CLUSTER: (balancer://mycluster). All workers are in error state
  • 503 responses for proxied requests.


  • Red Hat Enterprise Linux (RHEL)
  • Red Hat Software Collections (RHSCL)
  • Red Hat JBoss Core Services (JBCS)
  • Red Hat JBoss Web Server (JWS)
    • 3.0.x
  • Apache Web Server (HTTPD)
    • mod_cluster
    • mod_reqtimeout

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