All,

We are using JBossCache as means of distributing/replicating session state 
across a cluster of application servers. 
We use the "CacheMode">INVALIDATION_SYNC . To my understanding, using this 
cache mode, the actual cache state exists on only one server and all other 
servers maintain a placeholder for an individual entry. If a server attempts to 
get a cache entry which it only has a placeholder for, it forces a replication 
to occur. The cache entry replicated to the server requesting the cache item. 
The original server holding cache item is reset to be a placeholder and life 
goes on.

What happens when the application server crashes, who is holding the actual 
entry state information. It appears the other servers, holding placeholders 
complain and throw exceptions. 

Is it possible to force JBossCache to automatically remove stale entries; those 
whose state is stored on a faulted server


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