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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: TBD EAP 5
Affects Version/s: EAP_EWP 5.1.2
Component/s: mod_cluster
Labels:
None
Environment:

JBoss Enterprise Application Platform (EAP) 5.1.2
JBoss Enterprise Web Server 1.0.2
mod_cluster 1.0.10.GA_CP02

Workaround:

Workaround Exists
Workaround Description:

Hide

This works correctly when changing the ProxyPass to a RewriteRule:

RewriteEngine On
RewriteRule ^/(.*)$ /app/$1 [PT,L]

Show
This works correctly when changing the ProxyPass to a RewriteRule: RewriteEngine On RewriteRule ^/(.*)$ /app/$1 [PT,L]
Release Note Text:
The bug is fixed by the upgrade of mod_cluster to MOD_CLUSTER_1_0_10_GA_CP05.
Docs QE Status:
NEW

mod_cluster VHost is configured like so:

Listen 8000
<VirtualHost *:8000>
<Directory />
Order deny,allow
Deny from all
Allow from all
</Directory>

<Location /mod_cluster-manager>
SetHandler mod_cluster-manager
Order deny,allow
Deny from all
Allow from all
</Location>

KeepAliveTimeout 60
MaxKeepAliveRequests 0

ServerAdvertise Off

ManagerBalancerName mycluster

</VirtualHost>

CreateBalancers 1

And traffic ProxyPassed like so, so that the application is served from the root context through Apache:

Vhost Section
ProxyPass / balancer://mycluster/app/ stickysession=JSESSIONID nofailover=On
ProxyPassReverse / https://website.com/app/

And JBoss is configured for empty path session cookies so that the cookie can properly apply:

Requests without a cookie work fine. Once the cookie is created and used, mod_cluster just returns 503s and worker errors:

[error] proxy: CLUSTER: (balancer://mycluster). All workers are in error state