jcoleman/tomcat-redis-session-manager

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1777 stars · 1100 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Tomcat session manager that stores HTTP sessions in Redis, enabling non-sticky load balancing across a cluster of Tomcat servers. Sessions are written to Redis immediately on modification and rely on Redis key expiration for automatic session expiry.

Use cases

• distribute Tomcat session state across a cluster without sticky sessions
• share HTTP sessions between multiple Tomcat instances via Redis
• avoid Tomcat's built-in clustering overhead for session replication
• persist sessions so any server can serve any request
• scale a Tomcat web app horizontally behind a load balancer

When to choose

• you run a Tomcat 6/7 cluster and want non-sticky session distribution
• you already operate Redis and want sessions stored there
• you need sessions available immediately to all servers in the cluster

When to avoid

• you use Tomcat 8 or newer, which is not supported
• your session data is not Serializable
• you need an actively maintained project with recent development

Facets

library · maturity maintenance

caching middleware databases web-development jvm tomcat redis session-management clustering non-sticky-sessions devops web-server

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