[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-383) Session draining broken: requests counting broken on load-balancer

Session draining broken: requests counting broken on load-balancer ------------------------------------------------------------------ Key: MODCLUSTER-383 URL: https://issues.jboss.org/browse/MODCLUSTER-383 Project: mod_cluster Issue Type: Bug Affects Versions: 1.3.0.Alpha1 Environment: Fedora 20, 64 bit, httpd 2.4.6 + mod_cluster master (21ceed3c219fc3ad743b361cafd1097ebac19dfe) Reporter: Radoslav Husar Assignee: Jean-Frederic Clere Priority: Critical Fix For: 1.3.0.Final The request counting is broken. Looks like synchronization problem with dirty cached reads. Steps to reproduce: # start AS with some context # start LB # start 2 or more load driver threads # number of requests on that context goes to higher values than 2, eventually and slowly increasing On the AS it manifests as: {noformat} 19:44:14,160 WARN [org.jboss.modcluster] (MSC service thread 1-7) MODCLUSTER000022: Failed to drain 57 remaining pending requests from default-host:/clusterbench within 10.0 seconds {noformat}