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https://jira.jboss.org/jira/browse/MODCLUSTER-146?page=com.atlassian.jira...
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Paul Ferraro commented on MODCLUSTER-146:
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Hmm - that's unfortunate. The ":" is an arbitrary delimiter used to create
an engine unique value.
I could change the delimiter used when generating the default value, but this still affect
custom jvm-routes containing ":"s - so this will still need to be fixed.
Quotes in jsessionId causing sticky sessions to fail
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Key: MODCLUSTER-146
URL:
https://jira.jboss.org/jira/browse/MODCLUSTER-146
Project: mod_cluster
Issue Type: Bug
Environment: JBoss 6 M2, mod_cluster's httpd
Reporter: Wim Vandenhaute
Assignee: Jean-Frederic Clere
I am having an issue trying to setup sticky sessions for following configuration:
1 httpd front end
2 backend jboss instances
What I am noticing is when running in a cluster, the JSESSIONID contains quotes like:
Set-Cookie:
JSESSIONID="DE0F7EEA2A5E90497D729DB27DDB4B25.192.168.7.11:8009:jboss.web";
Version=1; Path=/f00
Whilst not in a cluster:
Set-Cookie: JSESSIONID=355F9E370912DC10187A15E8B02260CD; Path=/foo
Now when I am looking in the httpd logging I see:
mod_proxy_cluster.c(1681): cluster: Found value
"54F0CFC4961C9ED14A64335B40645392.192.168.7.11:8009:jboss.web" for stickysession
JSESSIONID
In my opinion the quotes around the jsessionid is causing mod_proxy_cluster to fail in
finding the jboss node to which to "stick" to.
I recompiled mod_proxy_cluster with "HAVE_CLUSTER_EX_DEBUG" set for more
debugging info and this confirmed my suspicion:
mod_proxy_cluster.c(1739): find_nodedomain: finding node for
192.168.7.11:8009:jboss.web": mycluster
mod_proxy_cluster.c(1752): find_nodedomain: finding domain for
192.168.7.11:8009:jboss.web": mycluster
Looking in the code this shows that it was unable to find the node, due to the ending
quote in the route.
As for my JBoss Setup:
* Uncommented ModClusterListener in jbossweb.sar/META-INF/jboss-beans.xml
* mod_cluster.sar/META-INF/mod_cluster-jboss-beans.xml
- changed ModClusterService to HAModClusterService
- changed ${jboss.mod_cluster.advertise.enabled:false} to true
As for my httpd setup:
LoadModule proxy_module /opt/jboss/httpd/lib/httpd/modules/mod_proxy.so
LoadModule proxy_ajp_module /opt/jboss/httpd/lib/httpd/modules/mod_proxy_ajp.so
LoadModule slotmem_module /opt/jboss/httpd/lib/httpd/modules/mod_slotmem.so
LoadModule manager_module /opt/jboss/httpd/lib/httpd/modules/mod_manager.so
LoadModule proxy_cluster_module /opt/jboss/httpd/lib/httpd/modules/mod_proxy_cluster.so
LoadModule advertise_module /opt/jboss/httpd/lib/httpd/modules/mod_advertise.so
LogLevel debug
CreateBalancers 0
<VirtualHost *:80>
<Location /mod_cluster-manager>
SetHandler mod_cluster-manager
Order deny,allow
Deny from all
Allow from all
# Allow from 192.168.7.
</Location>
<Directory />
Order deny,allow
Deny from all
Allow from all
</Directory>
ProxyPass /foo balancer://mycluster/foo stickysession=JSESSIONID scolonpathdelim=On
nofailover=On
KeepAliveTimeout 60
MaxKeepAliveRequests 0
ManagerBalancerName mycluster
AdvertiseFrequency 5
</VirtualHost>
Listen sebeco-dev-11:443
<VirtualHost *:443>
ServerName sebeco-dev-11:443
SSLEngine on
SSLProxyEngine on
SSLCipherSuite ALL:!ADH:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
SSLCertificateFile "/opt/jboss/httpd/httpd/server.crt"
SSLCertificateKeyFile "/opt/jboss/httpd/httpd/server.key"
SSLCertificateChainFile "/opt/jboss/httpd/httpd/server-ca.crt"
<FilesMatch "\.(cgi|shtml|phtml|php)$">
SSLOptions +StdEnvVars
</FilesMatch>
<Location />
Order allow,deny
Allow from all
</Location>
ProxyPass /foo balancer://mycluster/foo stickysession=JSESSIONID scolonpathdelim=On
nofailover=On
</VirtualHost>
As my setup is not really complex at this point my gut says I am doing something wrong in
the setup, but digging in the code shows the opposite.
Any thougts?
Best regards,
Wim.
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